CN206246441U - The hydraulic system of leaf spring vibration mechine - Google Patents
The hydraulic system of leaf spring vibration mechine Download PDFInfo
- Publication number
- CN206246441U CN206246441U CN201621308462.0U CN201621308462U CN206246441U CN 206246441 U CN206246441 U CN 206246441U CN 201621308462 U CN201621308462 U CN 201621308462U CN 206246441 U CN206246441 U CN 206246441U
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- Prior art keywords
- rod
- cylinder
- leaf spring
- stretching
- hydraulic
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Abstract
The utility model provides a kind of hydraulic system of leaf spring vibration mechine, it includes fuel tank, the first stretching single-rod cylinder, the second stretching single-rod cylinder, the 3rd stretching single-rod cylinder, the first push dual-rod hydraulic cylinder and second is connected in parallel on the hydraulic oil pipeline of fuel tank and pushes dual-rod hydraulic cylinder；First stretching single-rod cylinder is used for leaf spring in vertical direction increasing and decreasing load, second stretching single-rod cylinder and the 3rd stretching single-rod cylinder are used to realize the up-down vibration at leaf spring two ends, and the first push dual-rod hydraulic cylinder and the second push dual-rod hydraulic cylinder are used to realize leaf spring bending in the horizontal direction；The utility model can realize the motion respectively and Union Movement to spring loading load, vibration and bending, and performance test is carried out beneficial to leaf spring.
Description
Technical field
The utility model is related to hydraulic system technical field, in particular to a kind of hydraulic system of leaf spring vibration mechine.
Background technology
In the leaf spring performance test stage, generally require to simulate its suffered various power under true Service Environment, therefore
Need to carry out experimental subjects loading load, vibration and bend, this is accomplished by corresponding experimental facilities to realize the function of correlation.
And many experimental facilities can only often realize a kind of action, or Union Movement cannot be realized, this just cannot accurately simulate it
Real working environment, can also increase drain on manpower and material resources in addition.Just can for the designed hydraulic test bench of leaf spring motion
This problem is solved well, and with fluid power system control, precise control testing stand each several part transported with joint respectively
It is dynamic.Therefore, a kind of hydraulic system of preferably leaf spring vibration mechine how is designed for problem demanding prompt solution.
The content of the invention
The purpose of this utility model is to provide a kind of hydraulic system of leaf spring vibration mechine, to realize to spring loading
The motion respectively and Union Movement of load, vibration and bending, performance test is carried out beneficial to leaf spring.
The utility model is in order to solve the above technical problems, the technical scheme for being used is：A kind of leaf spring vibration mechine
Hydraulic system, it includes fuel tank, and the first stretching single-rod cylinder, the second drawing are connected in parallel on the hydraulic oil pipeline of the fuel tank
Stretch single-rod cylinder, the 3rd stretching single-rod cylinder, the first push dual-rod hydraulic cylinder and second and push dual-rod hydraulic cylinder；
The first stretching single-rod cylinder is used for leaf spring in vertical direction increasing and decreasing load, the second stretching single pole liquid
Cylinder pressure and the 3rd stretching single-rod cylinder are used to realizing the up-down vibration at leaf spring two ends, and described first pushes dual-rod hydraulic cylinder and the
Two push dual-rod hydraulic cylinders are used to realize leaf spring bending in the horizontal direction.
Preferably, connection first stretch single-rod cylinder, second stretching single-rod cylinder, the 3rd stretching single-rod cylinder,
Bi-bit bi-pass is equipped with the oil feed line of the hydraulic oil pipeline of the first push dual-rod hydraulic cylinder and the second push dual-rod hydraulic cylinder
Reversal valve, each bi-bit bi-pass reversal valve each controls the opening and closing process of oil feed line branch road where it.
Preferably, near first stretching single-rod cylinder, second stretching single-rod cylinder, the 3rd stretching single-rod cylinder,
Three position four-way directional control valve is equipped with the hydraulic oil pipeline position of the first push dual-rod hydraulic cylinder and the second push dual-rod hydraulic cylinder.
Preferably, high-capacity pump and low-capacity pump are connected with the hydraulic oil pipeline of fuel tank, the high-capacity pump is used
Supplied in the oil feed line to the first stretching single-rod cylinder, the second stretching single-rod cylinder and the 3rd stretching single-rod cylinder
Oil, the low-capacity pump is used to supply the oil feed line of the first push dual-rod hydraulic cylinder and the second push dual-rod hydraulic cylinder
Oil.
Preferably, the high-capacity pump and low-capacity pump are connected in parallel to protection valve.
Preferably, it is additionally provided with inlet oil filter on the hydraulic oil pipeline of fuel tank oil-out position.
The beneficial effects of the utility model：
（1）Hydraulic system of the present utility model can simultaneously meet the requirement of multi-motion, compared to the machinery of unitary function
System, the clear superiority of and stabilization high with kinematic accuracy.
（2）The utility model is connected using Hydraulic Elements, is conveniently replaceable failed part.
（3）Hydraulic system of the present utility model can realize the synergy of the increasing and decreasing load, vibration and bending of leaf spring, and
It is non-interference, can separate loading also can combination loading, the stress of leaf spring can be made more to fit its Service Environment, it is convenient to its machinery
Life-span is more reasonably predicted.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the hydraulic system of leaf spring vibration mechine；
Fig. 2 is a kind of structural representation of leaf spring vibration mechine；
In figure, fuel tank 1, hydraulic oil pipeline 1.1, high-capacity pump 1.2, low-capacity pump 1.3, protection valve 1.4, inlet oil filter
1.5th, the first stretching stretching stretching single-rod cylinder 4, first of single-rod cylinder the 3, the 3rd of single-rod cylinder 2, second pushes double-rod
Hydraulic cylinder 5, second pushes dual-rod hydraulic cylinder 6, leaf spring 7, bi-bit bi-pass reversal valve 8, three position four-way directional control valve 9.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of hydraulic system of leaf spring vibration mechine, it includes fuel tank 1, the liquid of the fuel tank 1
The first stretching single-rod cylinder 2, second is connected in parallel on force feed pipeline 1.1 and stretches the stretching single pole liquid of single-rod cylinder the 3, the 3rd
Cylinder pressure 4, first pushes dual-rod hydraulic cylinder 5 and second and pushes dual-rod hydraulic cylinder 6；
The first stretching single-rod cylinder 2 is used for leaf spring 7 in vertical direction increasing and decreasing load, the second stretching single pole
The stretching single-rod cylinder 4 of hydraulic cylinder 3 and the 3rd is used to realize the up-down vibration at the two ends of leaf spring 7, and described first pushes double-rod hydraulic pressure
Cylinder 5 and second pushes dual-rod hydraulic cylinder 6 to be used to realize the bending in the horizontal direction of leaf spring 7.
Preferably, connection first stretches the stretching stretching single-rod cylinder of single-rod cylinder the 3, the 3rd of single-rod cylinder 2, second
4th, two are equipped with the oil feed line of the hydraulic oil pipeline 1.1 that the first push dual-rod hydraulic cylinder 5 and second pushes dual-rod hydraulic cylinder 6
Position two way selected valve 8, each bi-bit bi-pass reversal valve 8 each controls the opening and closing process of oil feed line branch road where it.
Preferably, near the first stretching stretching stretching single-rod cylinder of single-rod cylinder the 3, the 3rd of single-rod cylinder 2, second
4th, the first push dual-rod hydraulic cylinder 5 and second to be pushed and be equipped with 3-position 4-way on the position of hydraulic oil pipeline 1.1 of dual-rod hydraulic cylinder 6
Reversal valve 9.Preferably, the three position four-way directional control valve 9 of stretching single-rod cylinder uses O-shaped Median Function, and O-shaped Median Function can be with
Operating mechanism is fixed on any position transfixion, even if there is external force to act on operating mechanism can not be made to move or rotate, carry
Height stands reliability, and commutation position high precision；The three position four-way directional control valve 9 for pushing dual-rod hydraulic cylinder uses H type Median Functions,
Braking is more steady.
Preferably, high-capacity pump 1.2 and low-capacity pump 1.3 are connected with the hydraulic oil pipeline 1.1 of fuel tank 1, it is described
High-capacity pump 1.2 is used for the first stretching stretching stretching single-rod cylinder 4 of single-rod cylinder 3 and the 3rd of single-rod cylinder 2, second
Oil feed line carry out fuel feeding, the low-capacity pump 1.3 is used to pushing dual-rod hydraulic cylinder 5 and second to first and pushes double-rod hydraulic pressure
The oil feed line of cylinder 6 carries out fuel feeding.
Preferably, the high-capacity pump 1.2 and low-capacity pump 1.3 are connected in parallel to protection valve 1.4.Can occur tightly
Anxious situation, such as power-off cause each reversal valve to be closed so that pipeline charge oil pressure increases suddenly, at this moment protect valve 1.4 to divide
Stream reduces charge oil pressure, plays a protective role.
Preferably, it is additionally provided with inlet oil filter 1.5 on the hydraulic oil pipeline 1.1 of the oil-out position of fuel tank 1.
The present embodiment operation principle is as follows：
As shown in Fig. 2 the expansion link of the first stretching single-rod cylinder 2 connects the middle part upper surface of leaf spring 7, the second stretching is single
The expansion link of the stretching single-rod cylinder 4 of bar hydraulic cylinder 3 and the 3rd connects the two ends grasswort of leaf spring 7.First pushes dual-rod hydraulic cylinder 5
Level is fixedly installed in the second stretching single-rod cylinder 3 and the 3rd stretching is single respectively with the cylinder body of the second push dual-rod hydraulic cylinder 6
The cylinder body lower section of bar hydraulic cylinder 4.
（1）The increasing and decreasing load process of leaf spring 7：The bi-bit bi-pass reversal valve 8 of the first stretching place branch road of single-rod cylinder 2 obtains electric
After open, start fuel feeding, three position four-way directional control valve 9 it is electric after, fuel feeding to first stretch single-rod cylinder 2 rodless cavity, then live
Stopper rod extends and moves down, and realizes loading load to leaf spring 7；If fuel feeding is to the rod chamber of the first stretching single-rod cylinder 2, living
Stopper rod shrinks and moves up, and realizes to the off-load load of leaf spring 7.
（2）The two ends up-down vibration process of leaf spring 7：Where the second stretching stretching of single-rod cylinder 3 and the 3rd single-rod cylinder 4
The bi-bit bi-pass reversal valve 8 of branch road it is electric after open, start fuel feeding, three position four-way directional control valve 9 it is electric after, fuel feeding to second stretch
Single-rod cylinder 3 and the 3rd stretches the rodless cavity of single-rod cylinder 4, then piston rod extends and moves up, and drives the two ends of leaf spring 7
Grasswort is moved upwards；If fuel feeding stretches the rod chamber of single-rod cylinder 4, piston rod to the second stretching single-rod cylinder 3 and the 3rd
Shrink and move down；The second stretching stretching single-rod cylinder 4 of single-rod cylinder 3 and the 3rd drives the up and down motion of leaf spring grasswort
Leaf spring can be made to produce vibration.
（3）The BENDING PROCESS in the horizontal direction of leaf spring 7：First pushes dual-rod hydraulic cylinder 5 and second pushes dual-rod hydraulic cylinder 6
The bi-bit bi-pass reversal valve 8 of place branch road it is electric after open, start fuel feeding, three position four-way directional control valve 9 it is electric after, fuel feeding give first
The rod chamber that dual-rod hydraulic cylinder 5 and second pushes the one of direction of dual-rod hydraulic cylinder 6 is pushed, piston rod is motionless, and cylinder body meeting
Move in the horizontal direction, and then drive second to stretch the stretching single-rod cylinder 4 of single-rod cylinder 3 and the 3rd and move in the horizontal direction
It is dynamic, so that leaf spring 7 bends in the horizontal direction.
Claims (6)
1. a kind of hydraulic system of leaf spring vibration mechine, it is characterised in that：It includes fuel tank（1）, the fuel tank（1）Hydraulic pressure
Oil pipe line（1.1）On be connected in parallel to the first stretching single-rod cylinder（2）, second stretching single-rod cylinder（3）, the 3rd stretching it is single
Bar hydraulic cylinder（4）, first push dual-rod hydraulic cylinder（5）Dual-rod hydraulic cylinder is pushed with second（6）；
The first stretching single-rod cylinder（2）For to leaf spring（7）In vertical direction increasing and decreasing load, the second stretching single pole
Hydraulic cylinder（3）With the 3rd stretching single-rod cylinder（4）For realizing leaf spring（7）The up-down vibration at two ends, first push is double
Bar hydraulic cylinder（5）Dual-rod hydraulic cylinder is pushed with second（6）For realizing leaf spring（7）Bending in the horizontal direction.
2. the hydraulic system of leaf spring vibration mechine according to claim 1, it is characterised in that：Connection first stretches single pole
Hydraulic cylinder（2）, second stretching single-rod cylinder（3）, the 3rd stretching single-rod cylinder（4）, first push dual-rod hydraulic cylinder（5）With
Second pushes dual-rod hydraulic cylinder（6）Hydraulic oil pipeline（1.1）Oil feed line on be equipped with bi-bit bi-pass reversal valve（8）, often
Individual bi-bit bi-pass reversal valve（8）Each control the opening and closing process of oil feed line branch road where it.
3. the hydraulic system of leaf spring vibration mechine according to claim 1, it is characterised in that：Near the first stretching single pole
Hydraulic cylinder（2）, second stretching single-rod cylinder（3）, the 3rd stretching single-rod cylinder（4）, first push dual-rod hydraulic cylinder（5）With
Second pushes dual-rod hydraulic cylinder（6）Hydraulic oil pipeline（1.1）Three position four-way directional control valve is equipped with position（9）.
4. the hydraulic system of leaf spring vibration mechine according to claim 1, it is characterised in that：Near fuel tank（1）Liquid
Force feed pipeline（1.1）On be connected with high-capacity pump（1.2）And low-capacity pump（1.3）, the high-capacity pump（1.2）For to first
Stretching single-rod cylinder（2）, second stretching single-rod cylinder（3）With the 3rd stretching single-rod cylinder（4）Oil feed line carry out
Fuel feeding, the low-capacity pump（1.3）For pushing dual-rod hydraulic cylinder to first（5）Dual-rod hydraulic cylinder is pushed with second（6）Confession
Oil pipe line carries out fuel feeding.
5. the hydraulic system of leaf spring vibration mechine according to claim 4, it is characterised in that：The high-capacity pump
（1.2）And low-capacity pump（1.3）It is connected in parallel to protection valve（1.4）.
6. the hydraulic system of leaf spring vibration mechine according to claim 1, it is characterised in that：The hydraulic oil pipeline
（1.1）Oil inlet is additionally provided with inlet oil filter on position（1.5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308462.0U CN206246441U (en) | 2016-12-01 | 2016-12-01 | The hydraulic system of leaf spring vibration mechine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308462.0U CN206246441U (en) | 2016-12-01 | 2016-12-01 | The hydraulic system of leaf spring vibration mechine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246441U true CN206246441U (en) | 2017-06-13 |
Family
ID=59004805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308462.0U Expired - Fee Related CN206246441U (en) | 2016-12-01 | 2016-12-01 | The hydraulic system of leaf spring vibration mechine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023533A (en) * | 2017-06-22 | 2017-08-08 | 合肥工业大学 | A kind of hydraulic control system for resilient bearing multidimensional rigidity test |
-
2016
- 2016-12-01 CN CN201621308462.0U patent/CN206246441U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023533A (en) * | 2017-06-22 | 2017-08-08 | 合肥工业大学 | A kind of hydraulic control system for resilient bearing multidimensional rigidity test |
| CN107023533B (en) * | 2017-06-22 | 2018-03-16 | 合肥工业大学 | A kind of hydraulic control system for resilient bearing multidimensional rigidity test |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20171201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |