CN207717383U - A kind of vehicle damping system hydraulic pressure comprehensive test platform - Google Patents
A kind of vehicle damping system hydraulic pressure comprehensive test platform Download PDFInfo
- Publication number
- CN207717383U CN207717383U CN201721469516.6U CN201721469516U CN207717383U CN 207717383 U CN207717383 U CN 207717383U CN 201721469516 U CN201721469516 U CN 201721469516U CN 207717383 U CN207717383 U CN 207717383U
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- oil
- hydraulic
- accumulator
- valve
- test
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000013016 damping Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 43
- 239000010720 hydraulic oil Substances 0.000 claims description 22
- 239000002828 fuel tank Substances 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of vehicle damping system hydraulic pressure comprehensive test platforms, which is characterized in that includes hydraulic power unit, dynamic rack, static rack, valve test rack, cooling circulating water system, electrical control panel, manual mode operation platform；Hydraulic power unit includes main pump system, auxiliary pumping system and temperature control system, the dynamic test that dynamic rack is combined for accumulator and power cylinder assembly；Static rack is for accumulator valve reliability test, locking reliability test, adjuster assembly load test；Load power is provided when the dynamic test that main pump system is combined for accumulator and power cylinder assembly；The utility model realizes that the various performance parameters of vehicle damping system quickly detect, and meets production scene testing requirements, realizes system accuracy self-correcting and detection.
Description
Technical field
The utility model is related to hydraulic part detection fields, particularly belong to a kind of vehicle damping system hydraulic pressure comprehensive test
Platform.
Background technology
The hydraulic lift hitch of vehicle damping system is by groups such as hydraulic cylinder assembly, accumulator assembly, adjuster assembly, valve groups
At.It is decaying body oscillating, ensure vehicle high-speed, smooth-ride important link.Currently, for each of vehicle damping system
Kind performance parameter needs to carry out coherent detection work.
Utility model content
The purpose of this utility model is to provide a kind of vehicle damping system hydraulic pressure comprehensive test platform, realizes vehicle damping system
The various performance parameters of system quickly detect, and meet production scene testing requirements, realize system accuracy self-correcting and detection.
The technical solution adopted in the utility model is as follows：
A kind of vehicle damping system hydraulic pressure comprehensive test platform includes hydraulic power unit 5, dynamic rack 34, static rack
35, valve test rack, cooling circulating water system, electrical control panel, manual mode operation platform；
The hydraulic power unit 5 includes main pump system, auxiliary pumping system and temperature control system, and dynamic rack 34 is used for accumulation of energy
The dynamic test of device and the combination of power cylinder assembly；Static rack 35 is for accumulator valve reliability test, locking reliability examination
It tests, adjuster assembly load test；Load is provided when the dynamic test that main pump system is combined for accumulator and power cylinder assembly
Power；
The main pump system is started by three asynchronous machines 1 drives hydraulic pumps 2 to work, and oil absorption filter 3 is from fuel tank 4
Middle sucking hydraulic oil, and it is converted into high pressure oil by hydraulic pump 2, high pressure oil enters in electro-hydraulic reversing valve 6, the adjustment of overflow valve 7 system
System pressure, 8 display system pressure value of pressure gauge；
When load cylinder 9 works, the ends B of electro-hydraulic reversing valve 6 are charged, and hydraulic oil reaches the rodless cavity of load cylinder 9, makes
9 piston rod of load cylinder stretches out, and drives displacement sensor 10 and gravity sensor 11 to move, while 12 piston of propulsion power cylinder
Bar makes hydraulic oil in power cylinder 12 enter subject accumulator 13, is used to control the row of 9 piston rod of load cylinder close to switch 14
Journey；When the ends A of electro-hydraulic reversing valve 6 are charged, hydraulic oil reaches 9 rod chamber of load cylinder, and 9 piston of load cylinder is made to decline；
The temperature control system includes the electric heater 32 being installed in fuel tank 4, and air cooling is equipped on oil return line
Device 33, the temperature of hydraulic oil in fuel tank 4 is acquired by temperature sensor 15, and automatic start-stop electric heater 32 controls 4 hydraulic pressure of fuel tank
The temperature of oil；
The auxiliary pumping system is used to provide hydraulic oil to subject element, and motor 16, which starts, drives gear pump 17 to work, from
Enter hydraulic oil by oil absorption filter 18 in fuel tank 4, high pressure oil is converted to by gear pump 17, by adjusting remote pressure regulating valve
20 control overflow valves 19 adjust system pressure, and high pressure oil enters the first solenoid directional control valve 22, pressure gauge by high pressure filter 21
23 display system pressure values；
The ends the B electrification of first solenoid directional control valve 22 can be that accumulator and power cylinder internal system are oil-filled, the first electromagnetic switch
The ends the A electrification of valve 22 can be achieved to drain the oil inside accumulator and power cylinder assembly, the ends the A electrification of the second solenoid directional control valve 24, can be real
Existing accumulator and power cylinder assembly self-locking inside, accumulator are cut off with power cylinder internal oil passages, the ends A of third solenoid directional control valve 25
It is charged simultaneously with the ends B, for unloading 13 internal pressure of accumulator, keeps 12 internal pressure of power cylinder, third solenoid directional control valve 25
The ends B electrification, for debug valve group 30 provide experiment oil sources；29 piston of track oil cylinder is charged at the ends B of 4th solenoid directional control valve 26
Bar stretches out, and the ends A electrification 29 piston rod of track oil cylinder of the 4th solenoid directional control valve 26 is retracted, the ends the B band of the 5th solenoid directional control valve 27
28 piston rod of electric loading hydraulic cylinder, which stretches out, realizes load work, and the ends the A electrification loading hydraulic cylinder 28 of the 5th solenoid directional control valve 27 is lived
Stopper rod, which is retracted, realizes unloaded operation.
The cooling circulating water system includes cold water storage cistern 31, and cold water storage cistern 31 is connected by cooling water pipe with accumulator 13
It connects.
The utility model realizes that the various performance parameters of vehicle damping system quickly detect, and meets production scene detection and wants
It asks, realizes system accuracy self-correcting and detection.Hydraulic power unit design comparison is reasonable, layout comparison is beautiful, easy to operate and maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the dynamic horse structure schematic diagram of the utility model.
Fig. 3 is the static horse structure schematic diagram of the utility model.
Fig. 4 is the hydraulic scheme of the utility model.
Specific implementation mode
Referring to attached drawing, a kind of vehicle damping system hydraulic pressure comprehensive test platform, include hydraulic power unit 5, dynamic rack 34,
Static rack 35, valve test rack, cooling circulating water system, electrical control panel, manual mode operation platform；
Hydraulic power unit 5 includes main pump system, auxiliary pumping system and temperature control system, and dynamic rack 34 is for accumulator and moves
The dynamic test of power cylinder assembly combination；Static rack 35 is for accumulator valve reliability test, locking reliability test, adjustment
Device assembly load test；Load power is provided when the dynamic test that main pump system is combined for accumulator and power cylinder assembly；
Main pump system is started by three asynchronous machines 1 drives hydraulic pump 2 to work, and oil absorption filter 3 is sucked from fuel tank 4
Hydraulic oil, and it is converted into high pressure oil by hydraulic pump 2, high pressure oil enters in electro-hydraulic reversing valve 6, and overflow valve 7 adjusts system pressure,
8 display system pressure value of pressure gauge；
When load cylinder 9 works, the ends B of electro-hydraulic reversing valve 6 are charged, and hydraulic oil reaches the rodless cavity of load cylinder 9, makes
9 piston rod of load cylinder stretches out, and drives displacement sensor 10 and gravity sensor 11 to move, while 12 piston of propulsion power cylinder
Bar makes hydraulic oil in power cylinder 12 enter subject accumulator 13, is used to control the row of 9 piston rod of load cylinder close to switch 14
Journey；When the ends A of electro-hydraulic reversing valve 6 are charged, hydraulic oil reaches 9 rod chamber of load cylinder, and 9 piston of load cylinder is made to decline；
Temperature control system includes the electric heater 32 being installed in fuel tank 4, and forced air cooler 33 is equipped on oil return line, is led to
Excess temperature sensor 15 acquires the temperature of hydraulic oil in fuel tank 4, and automatic start-stop electric heater 32 controls the temperature of 4 hydraulic oil of fuel tank
Degree maintains within the scope of 50 ± 2 DEG C；
Pumping system is assisted to be used to provide hydraulic oil to subject element, motor 16, which starts, drives gear pump 17 to work, from fuel tank 4
It is middle to enter hydraulic oil by oil absorption filter 18, high pressure oil is converted to by gear pump 17, is controlled by adjusting remote pressure regulating valve 20
Overflow valve 19 processed adjusts system pressure, and high pressure oil enters the first solenoid directional control valve 22 by high pressure filter 21, and pressure gauge 23 is aobvious
Show system pressure value；
The ends the B electrification of first solenoid directional control valve 22 can be that accumulator and power cylinder internal system are oil-filled, the first electromagnetic switch
The ends the A electrification of valve 22 can be achieved to drain the oil inside accumulator and power cylinder assembly, the ends the A electrification of the second solenoid directional control valve 24, can be real
Existing accumulator and power cylinder assembly self-locking inside, accumulator are cut off with power cylinder internal oil passages, the ends A of third solenoid directional control valve 25
It is charged simultaneously with the ends B, for unloading 13 internal pressure of accumulator, keeps 12 internal pressure of power cylinder, third solenoid directional control valve 25
The ends B electrification, for debug valve group 30 provide experiment oil sources；29 piston of track oil cylinder is charged at the ends B of 4th solenoid directional control valve 26
Bar stretches out, and the ends A electrification 29 piston rod of track oil cylinder of the 4th solenoid directional control valve 26 is retracted, the ends the B band of the 5th solenoid directional control valve 27
28 piston rod of electric loading hydraulic cylinder, which stretches out, realizes load work, and the ends the A electrification loading hydraulic cylinder 28 of the 5th solenoid directional control valve 27 is lived
Stopper rod, which is retracted, realizes unloaded operation；Cooling circulating water system includes cold water storage cistern 31, and cold water storage cistern 31 passes through cooling water pipe and accumulator
13 are connected.
The utility model comprehensive test platform technical parameter is as follows：
A) main motor：30KW
B) main pump flow：BPA63,90L/min
C) main pump pressure：16MPa
D) auxiliary motor：1.5KW
E) auxiliary pump discharge：4.5L/min
F) auxiliary pump pressure：12MPa
G) precision is filtered in oil suction：100μm
H) high press filtration precision：3μm
I) precision is filtered in oil return：10μm
10, forced air cooler：0.25KW compares heat dissipation capacity：0.46KW/℃
11, water cooling：0.25Kw, 100L/min
12, fuel tank dischargeable capacity：600L
13, working media：No. 8 hydraulic power liquid
14, heater：2Kw×2.
Claims (2)
1. a kind of vehicle damping system hydraulic pressure comprehensive test platform, which is characterized in that include hydraulic power unit, dynamic rack, quiet
State rack, valve test rack, cooling circulating water system, electrical control panel, manual mode operation platform；
The hydraulic power unit includes main pump system, auxiliary pumping system and temperature control system, and dynamic rack is for accumulator and moves
The dynamic test of power cylinder assembly combination；Static rack is for accumulator valve reliability test, locking reliability test, adjuster
Assembly load test；Load power is provided when the dynamic test that main pump system is combined for accumulator and power cylinder assembly；
The main pump system is started by three asynchronous machines drives hydraulic pump works, oil absorption filter to suck liquid from fuel tank
Pressure oil, and it is converted into high pressure oil by hydraulic pump, high pressure oil enters in electro-hydraulic reversing valve, and overflow valve adjusts system pressure, pressure
Table display system pressure value；
The ends B of electro-hydraulic reversing valve are charged, and hydraulic oil enters the rodless cavity of load cylinder, and load cylinder piston rod stretches out and drives position
Displacement sensor and gravity sensor movement, load cylinder piston rod propulsion power cylinder piston rod, in power cylinder hydraulic oil enter by
Accumulator is tried, the maximum stroke of load cylinder piston rod is equipped with close to switch；The ends A of electro-hydraulic reversing valve are charged, hydraulic oil into
Enter load cylinder rod chamber, load cylinder piston declines；
The temperature control system includes the electric heater being installed in fuel tank, is equipped with forced air cooler on oil return line, passes through
Temperature sensor acquires the temperature of hydraulic oil in fuel tank, and automatic start-stop electric heater controls the temperature of fuel tank hydraulic oil；
The auxiliary pumping system provides hydraulic oil to subject element, and electric motor starting drives gear pump work, hydraulic oil to pass through successively
Fuel tank, oil absorption filter, gear pump are converted to high pressure oil, adjust remote pressure regulating valve, control overflow valve adjusts system pressure, high pressure
Oil enters the first solenoid directional control valve, pressure gauge display system pressure value by high pressure filter；
The ends B of first solenoid directional control valve are charged, and accumulator and power cylinder internal system are oil-filled, the ends the A band of the first solenoid directional control valve
It drains the oil inside electricity, accumulator and power cylinder assembly, the ends A of the second solenoid directional control valve are charged, inside accumulator and power cylinder assembly
Self-locking, accumulator are cut off with power cylinder internal oil passages, and the side a and b of third solenoid directional control valve charges simultaneously, are unloaded in accumulator
Portion's pressure, and power cylinder internal pressure is kept, the ends the B electrification of third solenoid directional control valve provides experiment oil sources to debugging valve group；The
The ends B of four solenoid directional control valves are charged, and track oil cylinder piston rod stretches out, the ends the A electrification of the 4th solenoid directional control valve, track oil cylinder piston
Bar is retracted, and the ends the B electrification of the 5th solenoid directional control valve, loading hydraulic cylinder piston rod stretching carries out load work, the 5th electromagnetic switch
The ends A of valve are charged, and loading hydraulic cylinder piston rod, which is retracted, carries out unloaded operation.
2. vehicle damping system hydraulic pressure comprehensive test platform according to claim 1, which is characterized in that the cooling cycle
Water system includes cold water storage cistern, and cold water storage cistern is connected by cooling water pipe with accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469516.6U CN207717383U (en) | 2017-11-07 | 2017-11-07 | A kind of vehicle damping system hydraulic pressure comprehensive test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469516.6U CN207717383U (en) | 2017-11-07 | 2017-11-07 | A kind of vehicle damping system hydraulic pressure comprehensive test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207717383U true CN207717383U (en) | 2018-08-10 |
Family
ID=63061185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721469516.6U Expired - Fee Related CN207717383U (en) | 2017-11-07 | 2017-11-07 | A kind of vehicle damping system hydraulic pressure comprehensive test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207717383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741332A (en) * | 2017-11-07 | 2018-02-27 | 安徽博流体传动股份有限公司 | A kind of vehicle damping system hydraulic pressure comprehensive test platform |
| CN109039158A (en) * | 2018-09-04 | 2018-12-18 | 长沙理工大学 | Oil gas suspension temperature control and energy recovery integrated system |
-
2017
- 2017-11-07 CN CN201721469516.6U patent/CN207717383U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741332A (en) * | 2017-11-07 | 2018-02-27 | 安徽博流体传动股份有限公司 | A kind of vehicle damping system hydraulic pressure comprehensive test platform |
| CN107741332B (en) * | 2017-11-07 | 2023-09-15 | 安徽博一流体传动股份有限公司 | Hydraulic comprehensive test bed for vehicle damping system |
| CN109039158A (en) * | 2018-09-04 | 2018-12-18 | 长沙理工大学 | Oil gas suspension temperature control and energy recovery integrated system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 |