CN102645340B - Automobile radiator pressure pulse test platform - Google Patents
Automobile radiator pressure pulse test platform Download PDFInfo
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- CN102645340B CN102645340B CN201210102672.4A CN201210102672A CN102645340B CN 102645340 B CN102645340 B CN 102645340B CN 201210102672 A CN201210102672 A CN 201210102672A CN 102645340 B CN102645340 B CN 102645340B
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- 238000012360 testing method Methods 0.000 title claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000005086 pumping Methods 0.000 claims description 17
- 239000002828 fuel tank Substances 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009661 fatigue test Methods 0.000 abstract 3
- 238000011056 performance test Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 111
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 206010020852 Hypertonia Diseases 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
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Abstract
The invention discloses an automobile radiator pressure pulse test platform comprising a hydraulic pump station, a high temperature oil pump station, a test controller, an upper computer and a test platform body, wherein the test platform body comprises a hydraulic loading device and a high temperature oil loading device; the hydraulic pump station is connected with the hydraulic loading device to form a hydraulic loading mechanism; and the high temperature oil pump station is connected with the high temperature oil loading device to form a high temperature oil loading mechanism. With the adoption of the automobile radiator pressure pulse test platform, a fatigue performance test at the room temperature can be carried out on a radiator test piece, and a simulated condition fatigue test at high temperature can be carried out on radiators at the same time by additionally installing a heating device and utilizing servo hydraulic cylinders and drive hydraulic cylinders to realize single cylinder loading and multiple cylinder loading to the test piece. The automobile radiator pressure pulse test platform can be used for the fatigue test of the radiator test piece and can be also used for the fatigue test of parts such as an automobile heat exchanger, and function diversification is realized.
Description
Technical field
The present invention relates to pressure pulse test platform, relate in particular to a kind of automobile radiators pressure pulse test platform.
Background technology
Automobile radiators is commonly called as radiator, is indispensable vitals in car engine cooling system.Automobile radiators is comprised of radiator core body, three parts of intake chamber and water-supplying chamber of cooling use.Liquid coolant flows in radiator core body, and air is from the external high velocity stream mistake of radiator core, and liquid coolant and air carry out exchange heat by radiator core body, thereby realize the object of radiating and cooling.
Radiator performance directly affects radiating effect and dynamic property, economy and the reliability of motor car engine, and even normally works and driving safety.Heating radiator is usually located at automotive front end and locates windward, and condition of work is severe, not only will stand the pollution of wind and weather and automobile combustion gas and sand, mud, but also will bear thermal cycle and periodically vibration repeatedly.In addition, the liquid coolant that flowing for a long time in heating radiator, has corrosion and corrosive attack to heating radiator.Along with the development of auto industry, the operating mode of heating radiator is had higher requirement.
Therefore in the design of automobile radiators and detecting, fatigue strength becomes its important performance index, by pressure pulse torture test, the fatigue behaviour of heating radiator is tested, and for the fatigue assessment of automobile radiators, gets a good eye value.And in the test unit of existing test heating radiator fatigue properties, be difficult to test the fatigue lifetime of heating radiator under hot environment, can not the state of actual response heating radiator in actual condition, the radiator performance under testing result and real work state has certain difference.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of automobile radiators pressure pulse test platform is provided.
For solving this technical problem, the technical scheme that the present invention takes is:
Automobile radiators pressure pulse test platform comprises hydraulic power unit, high temperature oil pumping plant, test controller, host computer and testing table stage body, testing table stage body comprises hydraulic loading device and high temperature oil charger, hydraulic power unit is connected with hydraulic loading device and forms hydraulic loading mechanism, and high temperature oil pumping plant is connected with high temperature oil charger and forms high temperature oil load maintainer;
Wherein, hydraulic power unit comprises fuel tank, hydraulic pump, the first motor, the first oil filter, the second oil filter, the 3rd oil filter, the first surplus valve, the first retaining valve; Hydraulic loading device comprises high pressure accumulator, low pressure accumulator, the first servo proportion, the second servo proportion, the 3rd servo proportion, the first hydraulic amplifier, the second hydraulic amplifier, the 3rd hydraulic amplifier, the first servo hydraulic cylinder, the second servo hydraulic cylinder, the 3rd servo hydraulic cylinder.Servo proportion is three-position four-way valve, wherein P is high-pressure oil passage interface, T is oil return circuit interface, A is the first working oil path interface, B is the second working oil path interface, the oil transportation oil circuit of hydraulic power unit and oil return circuit respectively with the first servo proportion, the second servo proportion, the high-pressure oil passage interface P of the 3rd servo proportion, oil return circuit interface T is connected, and the first servo hydraulic cylinder, the second servo hydraulic cylinder, the 3rd servo hydraulic cylinder respectively with the first servo proportion, the second servo proportion, the first working oil path interface A of the 3rd servo proportion, the second working oil path interface B is connected, simultaneously, the first servo hydraulic cylinder, the second servo hydraulic cylinder, the servopiston end of the 3rd servo hydraulic cylinder respectively with the first driving hydraulic cylinder, second drives hydraulic cylinder, the 3rd drives the driven plunger end of hydraulic cylinder to be connected, high pressure accumulator, low pressure accumulator respectively with oil transportation oil circuit, oil return circuit is connected,
High temperature oil pumping plant comprises heated constant temperature fuel tank, high temperature oil pump, the second motor, well heater, the 4th oil filter, the 5th oil filter, the 6th oil filter, the second surplus valve, the second retaining valve, high temperature oil charger comprises that the first high temperature high voltage solenoid valve, the second high temperature high voltage solenoid valve, third high temperature high-pressure solenoid valve, the 4th high temperature high voltage solenoid valve, the 5th high temperature high voltage solenoid valve, the 6th high temperature high voltage solenoid valve, the 3rd retaining valve, the 4th retaining valve, the 5th retaining valve, first drive hydraulic cylinder, second to drive hydraulic cylinder, the 3rd to drive hydraulic cylinder, the first heating radiator, the second heating radiator, the 3rd heating radiator, the first high temperature high voltage solenoid valve, the oil-in of third high temperature high-pressure solenoid valve and the 5th high temperature high voltage solenoid valve is connected with the oil transportation oil circuit of high temperature oil pumping plant respectively, the first high temperature high voltage solenoid valve, the oil-out of third high temperature high-pressure solenoid valve and the 5th high temperature high voltage solenoid valve respectively with the 3rd retaining valve, the oil-in of the 4th retaining valve and the 5th retaining valve is connected, and the 3rd retaining valve, the oil-out of the 4th retaining valve and the 5th retaining valve again respectively with the first driving hydraulic cylinder, second drives hydraulic cylinder, the 3rd drives oil pocket and first heating radiator of hydraulic cylinder, the second heating radiator, the oil-in of the 3rd heating radiator is connected, the oil-in of the second high temperature high voltage solenoid valve, the 4th high temperature high voltage solenoid valve and the 6th high temperature high voltage solenoid valve is connected with the oil-out of the first heating radiator, the second heating radiator, the 3rd heating radiator respectively, and the oil-out of the second high temperature high voltage solenoid valve, the 4th high temperature high voltage solenoid valve and the 6th high temperature high voltage solenoid valve is connected with the oil return circuit of high temperature oil pumping plant respectively.
Meanwhile, the internal module annexation of described test controller is: CRIO 9014 controllers are connected with NI 9201 AD modules, NI 9217 RTD modules, NI 9263 DA modules, NI 9481 relay module and PC respectively; NI 9201 AD modules are connected with pressure transducer and displacement transducer again; NI 9217 RTD modules are connected with thermal resistance temperature sensor again; NI 9263 DA modules are connected with hydraulic loading mechanism again; NI 9481 relay module are connected with high temperature oil load maintainer again; PC is connected with printer and display again.
The first described servo hydraulic cylinder, the second servo hydraulic cylinder, the 3rd servo hydraulic cylinder comprise servo cylinder cap, servo nut, servoBcylinder post, servo holding screw, servo seal circle, servopiston piece, servo cylinder body, servoBcylinder piece, servopiston, servoBcylinder seat, servoBcylinder base plate, servo lever end nut; Wherein, servo cylinder cap, servo cylinder body, servoBcylinder piece, servoBcylinder seat and servoBcylinder base plate are connected by servoBcylinder post, and use servo nut lock; Servopiston piece is connected by servo holding screw with servopiston; Servopiston piece and servopiston are contained in servo cylinder body, servoBcylinder seat and servoBcylinder base plate interior after linking into an integrated entity by servo holding screw, and contact position seals by servo seal circle simultaneously; On servo cylinder cap and servoBcylinder seat, offer respectively hydraulic fluid port and be connected with the first working oil path interface A, the second working oil path interface B of the first servo proportion, the second servo proportion, the 3rd servo proportion, servoBcylinder tops has port for filling displacement transducer simultaneously.
Described the first driving hydraulic cylinder, second drives hydraulic cylinder, the 3rd to drive hydraulic cylinder to comprise and drives cylinder cap, drive nut, driving cylinder post, driving holding screw, driving O-ring seal, driven plunger piece, drives cylinder body, driven plunger, driving cylinder seat, driving cylinder base plate, driving stem end nut; Wherein, drive cylinder cap, drive cylinder body, driving cylinder seat and driving cylinder base plate to be connected by driving cylinder post, and lock with drive nut; Driven plunger piece is connected by driving holding screw with driven plunger; Driven plunger piece and driven plunger drive cylinder body, driving cylinder seat and driving cylinder base plate interior by being contained in after driving holding screw to link into an integrated entity, and contact position is by driving O-ring seal to seal simultaneously; On driving cylinder seat, have blow vent; Driving cylinder covers and has port and be connected with the oil-in of the first heating radiator, the second heating radiator, the 3rd heating radiator, and side has port for filling pressure transducer simultaneously.
The beneficial effect that the present invention compared with prior art has:
1, this pressure pulse test platform can carry out the fatigue property test under normal temperature to heating radiator test specimen, and utilizes servo hydraulic cylinder and drive hydraulic cylinder can carry out the simulated condition torture test under high temperature to heating radiator by installing heating arrangement additional simultaneously.
2, this pressure pulse test platform by servo hydraulic cylinder with drive being connected of hydraulic cylinder, by hydraulic oil, drive servo-hydraulic cylinder piston rod, drive and drive the piston rod of hydraulic cylinder to carry out the pressure-loaded under high temperature oil environment to heating radiator test specimen.
3, this pressure pulse test platform has triple channel hydraulic module, can load respectively single heating radiator test specimen or three heating radiator test specimens, thereby can carry out to multispecimen the comparison of fatigue strength, improves the accuracy of test.
4, this pressure pulse test platform is in process of the test, and the pressure at any time test specimen being loaded by load sensor and America NI signal collecting device gathers and demonstrate the waveform of loading.Like this, experimenter is the load condition of monitoring test better, accurately good operation of warranty test.
5, this pressure pulse test platform both can, for heating radiator torture test, can, for the torture test of the parts such as car heat exchanger, have been realized functional diversities again.
Accompanying drawing explanation
Fig. 1 is automobile radiators pressure pulse test platform structural representation;
Fig. 2 is testing table hydraulic loading mechanism schematic diagram of the present invention;
Fig. 3 is testing table high temperature oil load maintainer schematic diagram of the present invention;
Fig. 4 is testing table controller function block diagram of the present invention;
Fig. 5 is testing table servo hydraulic cylinder structural representation of the present invention;
Fig. 6 is that testing table of the present invention drives hydraulic cylinder structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is explained in detail.
Automobile radiators pressure pulse test platform structural representation as shown in Figure 1.Comprise hydraulic power unit 1, high temperature oil pumping plant 2, test controller 3, host computer 4 and testing table stage body 5, wherein testing table stage body 5 comprises hydraulic loading device 6 and high temperature oil charger 7, hydraulic power unit 1 is connected with hydraulic loading device 6 and forms hydraulic loading mechanism, and high temperature oil pumping plant 2 is connected with high temperature oil charger 7 and forms high temperature oil load maintainer.
As shown in Figure 2, Main Function is for testing table provides hydraulic power to hydraulic power unit 1, and the hydraulic oil of certain pressure, certain flow is provided to hydraulic loading device 6.Hydraulic power unit 1 comprises fuel tank 8, hydraulic pump 9, the first motor 10, the first oil filter 11, the second oil filter 12, the 3rd oil filter 13, the first surplus valve 14, the first retaining valve 15.
Testing table hydraulic loading device 6 as shown in Figure 2, comprises high pressure accumulator 16, low pressure accumulator 17, the first servo proportion 18, the second servo proportion 19, the 3rd servo proportion 20, the first hydraulic amplifier 21, the second hydraulic amplifier 22, the 3rd hydraulic amplifier 23, the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25, the 3rd servo hydraulic cylinder 26, servo proportion is three-position four-way valve, and wherein P is high-pressure oil passage interface, T is oil return circuit interface, A is the first working oil path interface, B is the second working oil path interface, the oil transportation oil circuit of hydraulic power unit 1 and oil return circuit respectively with the first servo proportion 18, the second servo proportion 19, the high-pressure oil passage interface P of the 3rd servo proportion 20, oil return circuit interface T is connected, and the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25, the 3rd 26 of servo hydraulic cylinders respectively with the first servo proportion 18, the second servo proportion 19, the first working oil path interface A of the 3rd servo proportion 20, the second working oil path interface B is connected, meanwhile, and the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25, servopiston 59 ends of the 3rd servo hydraulic cylinder 26 respectively with the first driving hydraulic cylinder 45, second drives hydraulic cylinder 46, the 3rd drives driven plunger 70 ends of hydraulic cylinder 47 to be connected, high pressure accumulator 16, low pressure accumulator 17 respectively with oil transportation oil circuit, oil return circuit is connected.
As shown in Figure 3, Main Function is that the high temperature oil of certain flow is provided to high temperature oil charger 7 to high temperature oil pumping plant 2.High temperature oil pumping plant 2 comprises heated constant temperature fuel tank 27, high temperature oil pump 28, the second motor 29, well heater 30, the 4th oil filter 31, the 5th oil filter 32, the 6th oil filter 33, the second surplus valve 34, the second retaining valve 35.
Testing table high temperature oil charger 7 as shown in Figure 3, comprises that the first high temperature high voltage solenoid valve 36, the second high temperature high voltage solenoid valve 37, third high temperature high-pressure solenoid valve 38, the 4th high temperature high voltage solenoid valve 39, the 5th high temperature high voltage solenoid valve 40, the 6th high temperature high voltage solenoid valve 41, the 3rd retaining valve 42, the 4th retaining valve 43, the 5th retaining valve 44, first drive hydraulic cylinder 45, second to drive hydraulic cylinder 46, the 3rd to drive hydraulic cylinder 47, the first heating radiator 48, the second heating radiator 49, the 3rd heating radiator 50, the first high temperature high voltage solenoid valve 36, the oil-in of third high temperature high-pressure solenoid valve 38 and the 5th high temperature high voltage solenoid valve 40 is connected with the oil transportation oil circuit of high temperature oil pumping plant 2 respectively, the first high temperature high voltage solenoid valve 36, the oil-out of third high temperature high-pressure solenoid valve 38 and the 5th high temperature high voltage solenoid valve 40 respectively with the 3rd retaining valve 42, the oil-in of the 4th retaining valve 43 and the 5th retaining valve 44 is connected, and the 3rd retaining valve 42, the oil-out of the 4th retaining valve 43 and the 5th retaining valve 44 again respectively with the first driving hydraulic cylinder 45, second drives hydraulic cylinder 46, the 3rd drives oil pocket and first heating radiator 48 of hydraulic cylinder 47, the second heating radiator 49, the oil-in of the 3rd heating radiator 50 is connected, the oil-in of the second high temperature high voltage solenoid valve 37, the 4th high temperature high voltage solenoid valve 39 and the 6th high temperature high voltage solenoid valve 41 is connected with the oil-out of the first heating radiator 48, the second heating radiator 49, the 3rd heating radiator 50 respectively, and the oil-out of the second high temperature high voltage solenoid valve 37, the 4th high temperature high voltage solenoid valve 39 and the 6th high temperature high voltage solenoid valve 41 is connected with the oil return circuit of high temperature oil pumping plant 2 respectively.
As shown in Figure 4, its internal module annexation is test controller 3: CRIO 9014 controllers are connected with NI 9201 AD modules, NI 9217 RTD modules, NI 9263 DA modules, NI 9481 relay module and PC respectively; NI 9201 AD modules are connected with pressure transducer and displacement transducer again; NI 9217 RTD modules are connected with thermal resistance temperature sensor again; NI 9263 DA modules are connected with hydraulic loading mechanism again; NI 9481 relay module are connected with high temperature oil load maintainer again; PC is connected with printer and display again.
As shown in Figure 5, described the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25, the 3rd servo hydraulic cylinder 26 comprise servo cylinder cap 51, servo nut 52, servoBcylinder post 53, servo holding screw 54, servo seal circle 55, servopiston piece 56, servo cylinder body 57, servoBcylinder piece 58, servopiston 59, servoBcylinder seat 60, servoBcylinder base plate 61, servo lever end nut 62 to testing table servo hydraulic cylinder; Wherein, servo cylinder cap 51, servo cylinder body 57, servoBcylinder piece 58, servoBcylinder seat 60 and servoBcylinder base plate 61 are connected by servoBcylinder post 53, and lock with servo nut 52; Servopiston piece 56 is connected by servo holding screw 54 with servopiston 59; Servopiston piece 56 is contained in servo cylinder body 57, servoBcylinder seat 60 and servoBcylinder base plate 61 inside after linking into an integrated entity by servo holding screw 54 with servopiston 59, and contact position is by 55 sealings of servo seal circle simultaneously; On servo cylinder cap 51 and servoBcylinder seat 60, offer respectively hydraulic fluid port and be connected with the first working oil path interface A, the second working oil path interface B of the first servo proportion 18, the second servo proportion 19, the 3rd servo proportion 20, servo cylinder cap 51 tops have port for filling displacement transducer simultaneously.
As shown in Figure 6, the first described driving hydraulic cylinder 45, second drives hydraulic cylinder 46, the 3rd to drive hydraulic cylinder 47 to comprise and drives cylinder cap 63, drive nut 64, driving cylinder post 65, driving holding screw 66, driving O-ring seal 67, driven plunger piece 68, drives cylinder body 69, driven plunger 70, driving cylinder seat 71, driving cylinder base plate 72, driving stem end nut 73 testing table driving hydraulic cylinder; Wherein, drive cylinder cap 63, drive cylinder body 69, driving cylinder seat 71 and driving cylinder base plate 72 to be connected by driving cylinder post 65, and lock with drive nut 64; Driven plunger piece 68 is connected by driving holding screw 66 with driven plunger 70; Driven plunger piece 68 drives cylinder body 69, driving cylinder seat 71 and driving cylinder base plate 72 inside with driven plunger 70 by being contained in after driving holding screw 66 to link into an integrated entity, and contact position is by driving O-ring seal 67 sealings simultaneously; On driving cylinder seat 71, have blow vent; On driving cylinder cap 63, have port and be connected with the oil-in of the first heating radiator 48, the second heating radiator 49, the 3rd heating radiator 50, side has port for filling pressure transducer simultaneously.
The specific implementation process of hydraulic power unit 1 is: hydraulic pump 9 is under the driving of the first motor 10, in fuel tank 8, oil suction provides pressure oil through the second oil filter 12, the first retaining valve 15 to the first servo proportion 18, the second servo proportion 19 and the 3rd servo proportion 20, when the hydraulic oil hypertonia of oil transportation oil circuit surpasses the set pressure of the first surplus valve 14, the first surplus valve 14 is opened, hydraulic oil flows back to fuel tank 8 through the first oil filter 11, and oil return circuit flows back to fuel tank 8 through the 3rd oil filter 13.
The specific implementation process of testing table hydraulic loading device 6 is: the first servo proportion 18, the second servo proportion 19 and the 3rd servo proportion 20 enter duty, P and A, when B and T connect, hydraulic oil is through the first hydraulic amplifier 21, the second hydraulic amplifier 22 and the 3rd hydraulic amplifier 23 inject respectively the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25, the middle part of the 3rd servo hydraulic cylinder 26, the first servo hydraulic cylinder 24 now, the second servo hydraulic cylinder 25, the top of the 3rd servo hydraulic cylinder 26 is in oil return state (flowing back to fuel tank 8 through the 3rd oil filter 13 by oil return circuit), such the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25, the piston of the 3rd servo hydraulic cylinder 26 just has the trend moving upward, otherwise piston has the trend moving downward, thereby can drive, drive the piston rod of hydraulic cylinder to carry out the pressure-loaded under high temperature oil environment to heating radiator test specimen.
Whole hydraulic loading system can be realized the load mode of different frequency, different loads under controlling.
The specific implementation process of high temperature oil pumping plant 2 is: in heated constant temperature fuel tank 27, install well heater 30 additional and heat to hydraulic oil, make oil temperature controlled within the scope of 50-160 ℃, high temperature oil pump 28 is under the driving of the second motor 29, in heated constant temperature fuel tank 27, oil suction is through the 5th oil filter 32, the second retaining valve 35 is to the first high temperature high voltage solenoid valve 36, third high temperature high-pressure solenoid valve 38 and the 5th high temperature high voltage solenoid valve 40 provide high temperature oil, when the high temperature oil hypertonia of oil transportation oil circuit surpasses the set pressure of the second surplus valve 34, the second surplus valve 34 is opened, high temperature oil flows back to heated constant temperature fuel tank 27 through the 4th oil filter 31, oil return circuit flows back to heated constant temperature fuel tank 27 through the 6th oil filter 33.
The specific implementation process of testing table high temperature oil charger 7 is: the first high temperature high voltage solenoid valve 36, third high temperature high-pressure solenoid valve 38 and the 5th high temperature high voltage solenoid valve 40 enter duty, and high temperature oil is injected the first heating radiator 48, the second heating radiator 49 and the 3rd heating radiator 50 through the 3rd retaining valve 42, the 4th retaining valve 43, the 5th retaining valve 44.First drives hydraulic cylinder 45, second to drive hydraulic cylinder 46 and the 3rd pressure-loaded that drives hydraulic cylinder 47 under the drive of the first servo hydraulic cylinder 24, the second servo hydraulic cylinder 25 and the 3rd servo hydraulic cylinder 26, the first heating radiator 48, the second heating radiator 49 and the 3rd heating radiator 50 to be carried out under high temperature oil environment.After test cycle finishes or after being tested to certain hour, high temperature oil temperature is lower than setting, and the high temperature oil in the first heating radiator 48, the second heating radiator 49 and the 3rd heating radiator 50 flows back to heated constant temperature fuel tank 27 by oil return circuit through the second high temperature high voltage solenoid valve 37, the 4th high temperature high voltage solenoid valve 39, the 6th high temperature high voltage solenoid valve 41 and the 6th oil filter 33 again.
All measurement result in test, comprises final test findings, is all stored in the position of host computer appointment.In upper computer software, the management of data is all carried out in database, and both convenient operation, had also guaranteed the security of data.Data manipulation generates two files, and one is Test Information, and another is test figure.
Test Information comprises the test relevant informations such as test number, date of test, test specimen parameter, testing crew, test site; Test figure is mainly the test figure gathering in pilot system process of the test, mainly contains pressure signal, temperature signal, cycle index, fatigue state etc.
The analysis of test figure is mainly in process of the test, to carry out the judgement of fatigure failure and the monitoring of pressure load, and the aftertreatment to data after off-test, draws the fatigue properties correlation parameter of test test specimen.
What more than announce is only specific embodiments of the invention.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (4)
1. an automobile radiators pressure pulse test platform, it is characterized in that comprising hydraulic power unit (1), high temperature oil pumping plant (2), test controller (3), host computer (4) and testing table stage body (5), wherein testing table stage body (5) comprises hydraulic loading device (6) and high temperature oil charger (7), hydraulic power unit (1) is connected with hydraulic loading device (6) and forms hydraulic loading mechanism, high temperature oil pumping plant (2) is connected with high temperature oil charger (7) and forms high temperature oil load maintainer, host computer (4) comprises PC, printer, display, test controller (3) is connected with PC,
Wherein hydraulic power unit (1) comprises fuel tank (8), hydraulic pump (9), the first motor (10), the first oil filter (11), the second oil filter (12), the 3rd oil filter (13), the first surplus valve (14), the first retaining valve (15), hydraulic loading device (6) comprises high pressure accumulator (16), low pressure accumulator (17), the first servo proportion (18), the second servo proportion (19), the 3rd servo proportion (20), the first hydraulic amplifier (21), the second hydraulic amplifier (22), the 3rd hydraulic amplifier (23), the first servo hydraulic cylinder (24), the second servo hydraulic cylinder (25), the 3rd servo hydraulic cylinder (26), the first servo proportion (18), the second servo proportion (19), the 3rd servo proportion (20) is three-position four-way valve, and wherein P is high-pressure oil passage interface, T is oil return circuit interface, A is the first working oil path interface, B is the second working oil path interface, the oil transportation oil circuit of hydraulic power unit (1) and oil return circuit respectively with the first servo proportion (18), the second servo proportion (19), the high-pressure oil passage interface P of the 3rd servo proportion (20), oil return circuit interface T is connected, and the first servo hydraulic cylinder (24), the second servo hydraulic cylinder (25), the 3rd servo hydraulic cylinder (26) respectively with the first servo proportion (18), the second servo proportion (19), the first working oil path interface A of the 3rd servo proportion (20), the second working oil path interface B is connected, meanwhile, and the first servo hydraulic cylinder (24), the second servo hydraulic cylinder (25), servopiston (59) end of the 3rd servo hydraulic cylinder (26) respectively with the first driving hydraulic cylinder (45), second drives hydraulic cylinder (46), the 3rd drives driven plunger (70) end of hydraulic cylinder (47) to be connected, high pressure accumulator (16), low pressure accumulator (17) respectively with oil transportation oil circuit, oil return circuit is connected,
High temperature oil pumping plant (2) comprises heated constant temperature fuel tank (27), high temperature oil pump (28), the second motor (29), well heater (30), the 4th oil filter (31), the 5th oil filter (32), the 6th oil filter (33), the second surplus valve (34), the second retaining valve (35), high temperature oil charger (7) comprises the first high temperature high voltage solenoid valve (36), the second high temperature high voltage solenoid valve (37), third high temperature high-pressure solenoid valve (38), the 4th high temperature high voltage solenoid valve (39), the 5th high temperature high voltage solenoid valve (40), the 6th high temperature high voltage solenoid valve (41), the 3rd retaining valve (42), the 4th retaining valve (43), the 5th retaining valve (44), first drives hydraulic cylinder (45), second drives hydraulic cylinder (46), the 3rd drives hydraulic cylinder (47), the first heating radiator (48), the second heating radiator (49), the 3rd heating radiator (50), the first high temperature high voltage solenoid valve (36), the oil-in of third high temperature high-pressure solenoid valve (38) and the 5th high temperature high voltage solenoid valve (40) is connected with the oil transportation oil circuit of high temperature oil pumping plant (2) respectively, the first high temperature high voltage solenoid valve (36), the oil-out of third high temperature high-pressure solenoid valve (38) and the 5th high temperature high voltage solenoid valve (40) respectively with the 3rd retaining valve (42), the oil-in of the 4th retaining valve (43) and the 5th retaining valve (44) is connected, and the 3rd retaining valve (42), the oil-out of the 4th retaining valve (43) and the 5th retaining valve (44) again respectively with the first driving hydraulic cylinder (45), second drives hydraulic cylinder (46), the 3rd drives oil pocket and first heating radiator (48) of hydraulic cylinder (47), the second heating radiator (49), the oil-in of the 3rd heating radiator (50) is connected, the oil-in of the second high temperature high voltage solenoid valve (37), the 4th high temperature high voltage solenoid valve (39) and the 6th high temperature high voltage solenoid valve (41) is connected with the oil-out of the first heating radiator (48), the second heating radiator (49), the 3rd heating radiator (50) respectively, and the oil-out of the second high temperature high voltage solenoid valve (37), the 4th high temperature high voltage solenoid valve (39) and the 6th high temperature high voltage solenoid valve (41) is connected with the oil return circuit of high temperature oil pumping plant (2) respectively.
2. a kind of automobile radiators pressure pulse test platform according to claim 1, is characterized in that the internal module annexation of described test controller 3 is: CRIO 9014 controllers are connected with NI 9201 AD modules, NI 9217 RTD modules, NI 9263 DA modules, NI 9481 relay module and PC respectively; NI 9201 AD modules are connected with pressure transducer and displacement transducer again; NI 9217 RTD modules are connected with thermal resistance temperature sensor again; NI 9263 DA modules are connected with hydraulic loading mechanism again; NI 9481 relay module are connected with high temperature oil load maintainer again.
3. a kind of automobile radiators pressure pulse test platform according to claim 1, is characterized in that described the first servo hydraulic cylinder (24), the second servo hydraulic cylinder (25), the 3rd servo hydraulic cylinder (26) comprise servo cylinder cap (51), servo nut (52), servoBcylinder post (53), servo holding screw (54), servo seal circle (55), servopiston piece (56), servo cylinder body (57), servoBcylinder piece (58), servopiston (59), servoBcylinder seat (60), servoBcylinder base plate (61), servo lever end nut (62); Wherein, servo cylinder cap (51), servo cylinder body (57), servoBcylinder piece (58), servoBcylinder seat (60) and servoBcylinder base plate (61) are connected by servoBcylinder post (53), and lock with servo nut (52); Servopiston piece (56) is connected by servo holding screw (54) with servopiston (59); Servopiston piece (56) is contained in servo cylinder body (57), servoBcylinder seat (60) and servoBcylinder base plate (61) inside after linking into an integrated entity by servo holding screw (54) with servopiston (59), and contact position seals by servo seal circle (55) simultaneously; On servoBcylinder seat (60), offering hydraulic fluid port is connected with the first working oil path interface A of the first servo proportion (18), the second servo proportion (19), the 3rd servo proportion (20), on servo cylinder cap (51), offer hydraulic fluid port and be connected with the second working oil path interface B of the first servo proportion (18), the second servo proportion (19), the 3rd servo proportion (20), servo cylinder cap (51) top has port for filling displacement transducer simultaneously.
4. a kind of automobile radiators pressure pulse test platform according to claim 1, is characterized in that described first driving hydraulic cylinder (45), second to drive hydraulic cylinder (46), the 3rd to drive hydraulic cylinder (47) to comprise to drive cylinder cap (63), drive nut (64), driving cylinder post (65), drives holding screw (66), drives O-ring seal (67), driven plunger piece (68), drives cylinder body (69), driven plunger (70), driving cylinder seat (71), driving cylinder base plate (72), driving stem end nut (73); Wherein, drive cylinder cap (63), drive cylinder body (69), driving cylinder seat (71) and driving cylinder base plate (72) to be connected by driving cylinder post (65), and lock with drive nut (64); Driven plunger piece (68) is connected by driving holding screw (66) with driven plunger (70); Driven plunger piece (68) drives cylinder body (69), driving cylinder seat (71) and driving cylinder base plate (72) inside with driven plunger (70) by being contained in after driving holding screw (66) to link into an integrated entity, and contact position is by driving O-ring seal (67) sealing simultaneously; Driving cylinder seat has blow vent on (71); On driving cylinder cap (63), have port and be connected with the oil-in of the first heating radiator (48), the second heating radiator (49), the 3rd heating radiator (50), side has port for filling pressure transducer simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210102672.4A CN102645340B (en) | 2012-04-10 | 2012-04-10 | Automobile radiator pressure pulse test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210102672.4A CN102645340B (en) | 2012-04-10 | 2012-04-10 | Automobile radiator pressure pulse test platform |
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| CN102645340A CN102645340A (en) | 2012-08-22 |
| CN102645340B true CN102645340B (en) | 2014-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470758A (en) * | 2013-09-10 | 2013-12-25 | 吴江红蔷薇纺织有限公司 | Connection sealing device of pipe orifice of radiator |
| CN103939421B (en) * | 2014-03-10 | 2016-05-18 | 北京工业大学 | A kind of method for testing fatigue for hydraulic cylinder and device |
| CN105021378B (en) * | 2014-04-21 | 2017-11-24 | 上海汽车集团股份有限公司 | The experimental rig of pressure filter lid pressure pulse test |
| CN107401534B (en) * | 2017-07-13 | 2019-03-01 | 江西洪都航空工业集团有限责任公司 | With the load combined fatigue experimental device of pressurized strut heat of room temperature oil liquid driving |
| CN108120553A (en) * | 2017-12-15 | 2018-06-05 | 芜湖致通汽车电子有限公司 | A kind of pressure sensor detecting system |
| CN108827648A (en) * | 2018-04-18 | 2018-11-16 | 浙江吉利汽车研究院有限公司 | aging monitoring method and device |
| CN108972148A (en) * | 2018-06-26 | 2018-12-11 | 北京工业大学 | A kind of constructional device for realizing the controllable simulation actual condition of preload |
| CN109029845B (en) * | 2018-07-17 | 2020-05-22 | 内蒙古第一机械集团股份有限公司 | Testing device and testing method for sealing performance of hollow bolt |
| CN109115429B (en) * | 2018-09-27 | 2024-07-26 | 上海增达科技股份有限公司 | Circulating pressure loading system for endurance test of automobile radiator |
| JP7256430B2 (en) * | 2021-09-07 | 2023-04-12 | ダイキン工業株式会社 | hydraulic unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526425A (en) * | 2008-11-12 | 2009-09-09 | 陶泽成 | Servo hydraulic-control high-frequency dynamic fatigue tester of modularity computer |
| CN202033200U (en) * | 2011-05-06 | 2011-11-09 | 王磊 | Electro-hydraulic servo nine shaft synchronous detecting device for strength of fixing points of automobile seat and safety belt |
| CN102297181A (en) * | 2010-11-18 | 2011-12-28 | 重庆大学 | Hydraulic control loop of automatic transmission hydraulic system performance test bed |
| CN202547952U (en) * | 2012-04-10 | 2012-11-21 | 浙江大学 | Automobile radiator pressure pulse test bed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59187240A (en) * | 1984-03-14 | 1984-10-24 | Hitachi Ltd | Testing device for variable speed steering mechanism |
-
2012
- 2012-04-10 CN CN201210102672.4A patent/CN102645340B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526425A (en) * | 2008-11-12 | 2009-09-09 | 陶泽成 | Servo hydraulic-control high-frequency dynamic fatigue tester of modularity computer |
| CN102297181A (en) * | 2010-11-18 | 2011-12-28 | 重庆大学 | Hydraulic control loop of automatic transmission hydraulic system performance test bed |
| CN202033200U (en) * | 2011-05-06 | 2011-11-09 | 王磊 | Electro-hydraulic servo nine shaft synchronous detecting device for strength of fixing points of automobile seat and safety belt |
| CN202547952U (en) * | 2012-04-10 | 2012-11-21 | 浙江大学 | Automobile radiator pressure pulse test bed |
Non-Patent Citations (3)
| Title |
|---|
| 《基于NI CompactRIO平台的发动机连杆疲劳试验系统研究》;刘宏瑞等;《仪器仪表学报》;20111231;第32卷(第12期);第412-420页 * |
| JP昭59-187240A 1984.10.24 |
| 刘宏瑞等.《基于NI CompactRIO平台的发动机连杆疲劳试验系统研究》.《仪器仪表学报》.2011,第32卷(第12期),第412-420页. |
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