CN208619324U - A kind of steering pump test macro of motorcar electric hydraulic power-assist steering system - Google Patents
A kind of steering pump test macro of motorcar electric hydraulic power-assist steering system Download PDFInfo
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- CN208619324U CN208619324U CN201820126701.3U CN201820126701U CN208619324U CN 208619324 U CN208619324 U CN 208619324U CN 201820126701 U CN201820126701 U CN 201820126701U CN 208619324 U CN208619324 U CN 208619324U
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- valve
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- fuel tank
- pipeline
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 239000002828 fuel tank Substances 0.000 claims abstract description 29
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 40
- 239000010720 hydraulic oil Substances 0.000 description 15
- 230000008859 change Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model is a kind of steering pump test macro of motorcar electric hydraulic power-assist steering system, including fuel tank, heater strip is provided in the fuel tank, the first ball valve is connected in turn by pipeline between the export and import of the fuel tank, first oil strainer, test pump, flowmeter, pressure sensor, overflow valve, second oil strainer and the second ball valve, the flowmeter also passes through another pipeline and is connected with solenoid valve and proportional pressure control valve in turn, the proportional pressure control valve is connect by pipeline with the second oil strainer, the computer and flowmeter, pressure sensor, overflow valve, solenoid valve and proportional pressure control valve and calculating mechatronics.The utility model has the advantage of, field adjustable step can be simplified in the complete operating condition of laboratory proofing, improve product applicability and reliability, be suitable for steering pump operation troubles and detect, the detection of steering pump peak load, the detection of steering pump startup separator.
Description
Technical field
The utility model belongs to electric hydraulic power-assisted steering system the field of test technology, more specifically more particularly to one
The steering pump test macro of kind motorcar electric hydraulic power-assist steering system.
Background technique
With the development of the automobile industry, also by popularizing, electric hydraulic power-assisted steering system starts to answer extensively new-energy automobile
For new-energy automobile, especially electric car.
At present specifically for the test macro and test equipment of the steering pump of electric hydraulic power-assisted steering system, mainly
It is completed using bench simulation driving states experimental rig, using payload size is arranged on rack console, simulated automotive turns to work
The detection of steering system properties of product and parameter under condition especially exists in dismounting, use and measurement range, simulation real vehicle operating condition
Exist in terms of detecting automobile steering system failure certain insufficient.
Summary of the invention
The purpose of the invention of the present invention is to solve above-mentioned the deficiencies in the prior art, it is desirable to provide one kind can be complete
The flow of steering pump, pressure under different rotating speeds are tested, provides the motorcar electric of reference data for the variable speed energy saving of steering pump
The steering pump test macro of hydraulic power-assist steering system.
The utility model is achieved through the following technical solutions.
The utility model is a kind of steering pump test macro of motorcar electric hydraulic power-assist steering system, including fuel feeding list
Member sets up system pressure unit, pressure setup unit and electronic control unit, wherein
The oil supply unit includes fuel tank, and heater strip is provided in the fuel tank, and the outlet of the fuel tank passes through flowline
Road is connected with the first ball valve and the first oil strainer in turn, and first oil strainer is connect with the import of test pump, the survey
The outlet of pump testing is connected with flowmeter, and the import of the fuel tank is connected with the second ball valve and the second oil in turn by oil inlet pipeline
Filter；
The setting system pressure unit includes pressure sensor and overflow valve, and the both ends of the pressure sensor pass through pipe
Road is connect with flowmeter and overflow valve respectively, and the overflow valve is connect by pipeline with the second oil strainer；
The pressure setup unit includes solenoid valve and proportional pressure control valve, the both ends of the solenoid valve by pipeline respectively with
Flowmeter is connected with proportional pressure control valve, and the proportional pressure control valve is connect by pipeline with the second oil strainer；
The electric-control system includes computer, the computer and flowmeter, pressure sensor, overflow valve, solenoid valve and
Proportional pressure control valve electrical connection, to computer, computer passes through the data feedback that wherein flowmeter and pressure sensor will test
Process control overflow valve, solenoid valve and proportional pressure control valve need to do corresponding actions according to experiment.
Preferably, it is additionally provided with liquid level control switch in the fuel tank, for judging hydraulic oil minimum liquid level and providing report
Alert signal.
Preferably, the fuel tank is provided with oil discharge outlet, and the oil discharge outlet is connected with third ball valve, facilitates the oil storage in fuel tank
Discharge and replacement.
Preferably, the inlet and outlet position of the test pump is respectively arranged with a temperature sensor, for detecting oil
Temperature.
Preferably, the setting system pressure unit further includes pressure gauge, and the pressure gauge is arranged in flowmeter and pressure
Between sensor, pressure gauge can display system pressure, can intuitively watch.
Preferably, second oil strainer also passes through pipeline and is connected with radiator, the overflow valve and proportional pressure control valve
It is connect again with the second oil strainer after being connect by pipeline with radiator, radiator can cool down to oil return, it can be achieved that being surpassed
Warm automatic starting.
The utility model has the advantage of can simplify field adjustable step in the complete operating condition of laboratory proofing, improve and produce
Product applicability and reliability are suitable for steering pump operation troubles and detect, the detection of steering pump peak load, steering pump starting
Fault detection.
Detailed description of the invention
Fig. 1 is the steering pump test system structure schematic diagram that the embodiments of the present invention provide.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the utility model includes oil supply unit, sets up system pressure unit, pressure setup unit and automatically controlled
Unit, wherein the oil supply unit includes fuel tank 1, and heater strip 2 and liquid level control switch 3 are provided in the fuel tank 1, heating
For silk 2 for changing hydraulic fluid temperature, the controllable liquid level of liquid-level floater switch 3 prevents test pump 7 from dallying, and is alarmed function by buzzing
Operator can be prompted, hydraulic oil outlet, three hydraulic oil inlet, hydraulic oil oil discharge outlet connectors is arranged in the fuel tank 1, wherein
Hydraulic oil oil discharge outlet is connected with third ball valve 20 to facilitate discharge replacement hydraulic oil, and the hydraulic oil outlet of the fuel tank 1 is by going out
Oil-piping 4 is connected with the first ball valve 5 and the first oil strainer 6 in turn, and the import of first oil strainer 6 and test pump 8 connects
It connects, the outlet of the test pump 8 is connected with flowmeter 9, and flowmeter 9 is for testing piping flow and signal being fed back to calculating
Machine, the temperature change after detection oil temperature and hydraulic oil pump 8 after tested for convenience are provided with temperature in the entrance location of test pump 8
Sensor 7 to be spent, outlet port is provided with temperature sensor 10, two temperature sensors 7,10 preferentially select common temp controlled meter,
It sets and controls tank temperature.In addition, the hydraulic oil inlet of the fuel tank 1 is connected with second in turn by oil inlet pipeline 19
Ball valve 18, the second oil strainer 17 and radiator 16, radiator 16 can be cooled down to oil return, it can be achieved that overtemperature starts automatically.
The setting system pressure unit includes pressure gauge 11, pressure sensor 12 and overflow valve 13, the pressure sensing
The both ends of device 12 are connect with flowmeter 9 and overflow valve 13 respectively by pipeline, and pressure sensor 12 is used for detection system pressure simultaneously
Computer is fed back to, the overflow valve 13 is connected by pipeline and the second oil strainer 17 again by connecting after pipeline and radiator 16
It connects, the pressure gauge 11, which is arranged between flowmeter 9 and pressure sensor 12, is used for display system pressure.
The pressure setup unit includes solenoid valve 14 and proportional pressure control valve 15, and the both ends of the solenoid valve 14 pass through pipeline
It is connect respectively with flowmeter 9 and proportional pressure control valve 15, the proportional pressure control valve 15 leads to again after being connect by pipeline with radiator 16
Piping is connect with the second oil strainer 17；
In the present embodiment, hydraulic oil is provided by the first ball valve 5, the first oil strainer 6 to test pump 8 certain from fuel tank 1
The hydraulic oil of the required pressure of setting, hydraulic oil are oily from flowmeter 9, solenoid valve 14, proportional pressure control valve 15, radiator 16, second
Filter 17, the second ball valve 18 return to fuel tank 1, by the circulation of oil liquid, to complete the oil pressure of given pressure to test block
Different operating conditions test.
When oil pressure is more than setting value in test oil circuit in the present embodiment, hydraulic oil passes through the first ball valve 5, first by fuel tank 1
Oil strainer 6 provides the hydraulic oil of required pressure centainly set to test pump 8, higher than setting pressure hydraulic oil then through over-voltage
Power table 11, pressure sensor 12, overflow valve 13 that oil circuit on flow back to radiator 16, return to fuel tank 1.
In the following, the course of work of the utility model is described in detail in conjunction with Fig. 1.
When maximum pressure is tested, using heater strip 2, the oil temperature of fuel tank 1 is carried out being heated to given temperature, in unloaded pressure
Lower starting test pump 8, raising speed close rapidly second on the second oil strainer 17 to 1 oil circuit of fuel tank to test 8 rated speeds of pump
Ball valve 18 makes output flow zero, and keeps certain time, for simulating maximum oil pressure operating condition.
When run-in test, using heater strip 2, the oil temperature of fuel tank 1 is carried out being heated to given temperature, is opened under unloaded pressure
Dynamic test pump 8, the maximum speed of raising speed to test pump 8 simultaneously keeps certain time, then revolving speed is adjusted to rated speed；It utilizes simultaneously
Proportional pressure control valve 15, control system pressure recycle certain time step by step by each certain time is kept respectively since unloaded pressure
Number is used for fictitious load sudden load.
When determining revolving speed impact test, using heater strip 2, the oil temperature of fuel tank more than 1 is carried out being heated to given temperature, is being tested
It pumps under 8 rated speeds, proportion of utilization overflow valve 15, control system pressure, pressures cycle is from unloaded pressure to maximum pressure, by one
Determine frequency, certain cycle period, certain pressure gradient setting, for simulating extreme load sudden change operating condition.
When low-temperature test, starts and test the revolving speed for pumping 8 to rated speed, operating pressure is adjusted to setting pressure, shuts down.Low
It keeps starting after a certain period of time in warm environment, be simulated for cold-starting.
When current interruption test, test pump 8 is under rated speed and when maximum pressure, and testing 8 output flows of pump is zero
Continuous operation certain time under operating condition, for simulating oil circuit plugging fault operating condition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of steering pump test macro of motorcar electric hydraulic power-assist steering system, which is characterized in that including oil supply unit,
Set up system pressure unit, pressure setup unit and electronic control unit, wherein
The oil supply unit includes fuel tank, is provided with heater strip in the fuel tank, the outlet of the fuel tank by flowline according to
Secondary to be connected with the first ball valve and the first oil strainer, first oil strainer is connect with the import of test pump, the test pump
Outlet be connected with flowmeter, the import of the fuel tank is connected with the second ball valve in turn by oil inlet pipeline and the second oil filters
Device；
The setting system pressure unit includes pressure sensor and overflow valve, and the both ends of the pressure sensor pass through pipeline point
It is not connect with flowmeter and overflow valve, the overflow valve is connect by pipeline with the second oil strainer；
The pressure setup unit includes solenoid valve and proportional pressure control valve, the both ends of the solenoid valve by pipeline respectively with flow
Meter is connected with proportional pressure control valve, and the proportional pressure control valve is connect by pipeline with the second oil strainer；
The electronic control unit includes computer, the computer and flowmeter, pressure sensor, overflow valve, solenoid valve and ratio
Overflow valve electrical connection.
2. the steering pump test macro of motorcar electric hydraulic power-assist steering system according to claim 1, feature exist
In being additionally provided with liquid level control switch in the fuel tank.
3. the steering pump test macro of motorcar electric hydraulic power-assist steering system according to claim 1, feature exist
In the fuel tank is provided with oil discharge outlet, and the oil discharge outlet is connected with third ball valve.
4. the steering pump test macro of motorcar electric hydraulic power-assist steering system according to claim 1, feature exist
In the inlet and outlet position of the test pump is respectively arranged with a temperature sensor.
5. the steering pump test macro of motorcar electric hydraulic power-assist steering system according to claim 1, feature exist
In the setting system pressure unit further includes pressure gauge, and the pressure gauge is arranged between flowmeter and pressure sensor.
6. the steering pump test macro of motorcar electric hydraulic power-assist steering system according to claim 1, feature exist
In second oil strainer also passes through pipeline and is connected with radiator, the overflow valve and proportional pressure control valve by pipeline and dissipates
It is connect again with the second oil strainer after hot device connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126701.3U CN208619324U (en) | 2018-01-25 | 2018-01-25 | A kind of steering pump test macro of motorcar electric hydraulic power-assist steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126701.3U CN208619324U (en) | 2018-01-25 | 2018-01-25 | A kind of steering pump test macro of motorcar electric hydraulic power-assist steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619324U true CN208619324U (en) | 2019-03-19 |
Family
ID=65691145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820126701.3U Expired - Fee Related CN208619324U (en) | 2018-01-25 | 2018-01-25 | A kind of steering pump test macro of motorcar electric hydraulic power-assist steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619324U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450851A (en) * | 2019-08-28 | 2019-11-15 | 南京越博动力系统股份有限公司 | A kind of electric hydraulic power-assisted steering pump controller detection system |
| CN110985367A (en) * | 2019-12-17 | 2020-04-10 | 之江实验室 | High-speed hydraulic pump performance test device |
| CN113503248A (en) * | 2021-07-15 | 2021-10-15 | 东风柳州汽车有限公司 | Oil pump testing device |
| CN115045824A (en) * | 2022-06-28 | 2022-09-13 | 四川航天烽火伺服控制技术有限公司 | Fuel pump flow detection system |
| CN115306699A (en) * | 2022-08-02 | 2022-11-08 | 中通客车股份有限公司 | Intelligence new forms of energy passenger train helping hand steering pump testing system and method |
-
2018
- 2018-01-25 CN CN201820126701.3U patent/CN208619324U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450851A (en) * | 2019-08-28 | 2019-11-15 | 南京越博动力系统股份有限公司 | A kind of electric hydraulic power-assisted steering pump controller detection system |
| CN110985367A (en) * | 2019-12-17 | 2020-04-10 | 之江实验室 | High-speed hydraulic pump performance test device |
| CN113503248A (en) * | 2021-07-15 | 2021-10-15 | 东风柳州汽车有限公司 | Oil pump testing device |
| CN113503248B (en) * | 2021-07-15 | 2023-12-19 | 东风柳州汽车有限公司 | Oil pump testing device |
| CN115045824A (en) * | 2022-06-28 | 2022-09-13 | 四川航天烽火伺服控制技术有限公司 | Fuel pump flow detection system |
| CN115306699A (en) * | 2022-08-02 | 2022-11-08 | 中通客车股份有限公司 | Intelligence new forms of energy passenger train helping hand steering pump testing system and method |
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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: 20190319 Termination date: 20200125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |