CN108895061A - Valve body assembly durability testing system - Google Patents
Valve body assembly durability testing system Download PDFInfo
- Publication number
- CN108895061A CN108895061A CN201811180580.1A CN201811180580A CN108895061A CN 108895061 A CN108895061 A CN 108895061A CN 201811180580 A CN201811180580 A CN 201811180580A CN 108895061 A CN108895061 A CN 108895061A
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- Prior art keywords
- oil
- pipe
- valve body
- valve
- body assembly
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- 238000012360 testing method Methods 0.000 title claims abstract description 112
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 239000002828 fuel tank Substances 0.000 claims abstract description 52
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 50
- 231100000719 pollutant Toxicity 0.000 claims abstract description 50
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Abstract
The present invention relates to the test equipment technical field of valve body assembly durability in the hydraulic control system of automatic transmission more particularly to a kind of valve body assembly durability testing systems.In valve body assembly durability testing system, fuel tank is connected to through oil filter with the oil inlet of oil pump, and motor driven oil pump operating, the oil outlet of oil pump is connected to the oil inlet of test cabin；First pipe and second pipe are connected to test cabin, and variable throttle valve is arranged between first pipe and second pipe, and the oil inlet end of third pipeline is connected to the oil outlet of test cabin, and oil outlet is connected to through peristaltic pump and pollutant detecting instrument with fuel tank；Oil temperature of the temperature regulating device for the oil inlet end of oil temperature and peristaltic pump in regulating oil tank.Above-mentioned valve body assembly durability testing system can learn the indexs such as practical pollutant density, granular size and the ingredient in the oil liquid for causing valve body assembly to damage, can be carried out judgement convenient for the tolerance to valve body assembly itself.
Description
Technical field
The present invention relates to the test equipment technical field of valve body assembly durability in the hydraulic control system of automatic transmission,
More particularly to a kind of valve body assembly durability testing system.
Background technique
The actual condition of vehicle automatic speed variator is complicated, is related to personal safety, therefore the durability of automatic transmission should
Meet vehicle needs, wherein the valve body assembly in hydraulic system is to influence automatic transmission durability on the tolerance of pollutant
One of key index.
The equipment of valve body assembly durability in existing test hydraulic system can not learn the oil for causing valve body assembly to damage
The indexs such as practical pollutant density, granular size and ingredient in liquid, it is difficult to which the tolerance of valve body assembly itself can be carried out
Judgement.
To sum up, how to overcome the drawbacks described above of the equipment of valve body assembly durability in existing test hydraulic system is ability
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of valve body assembly durability testing systems, to alleviate test in the prior art
The technical issues of tolerance performance to valve body assembly itself is difficult in hydraulic system existing for the equipment of valve body assembly durability.
Valve body assembly durability testing system provided by the invention, including fuel tank, oil filter, oil pump, motor, overflow valve,
Temperature regulating device, first pipe, second pipe, variable throttle valve, third pipeline, peristaltic pump, pollutant detecting instrument and at least one
Test cabin.
Wherein, the oil outlet of the fuel tank is connected to through the oil filter with the oil inlet of the oil pump, and the motor is used for
The oil pump is driven to operate, the oil outlet of the oil pump is connected to the oil inlet of the test cabin, and overflow valve setting exists
Between the oil pump and the test cabin.
The first pipe and the second pipe are connected to the test cabin, the first pipe and second pipe
Variable throttle valve is provided between road, and the first pipe is connected to the second pipe by the variable throttle valve；Institute
The oil inlet end for stating third pipeline is connected to the oil outlet of the test cabin, and the oil outlet of the third pipeline is successively through the wriggling
Pump and the pollutant detecting instrument are connected to the oil inlet of the fuel tank.
The temperature regulating device is used to adjust the oil temperature of the oil inlet end of oil temperature and the peristaltic pump in the fuel tank.
Preferably, as an embodiment, the test cabin includes flow monitoring module, pressure monitoring module and control
Molding block, the flow monitoring module is for monitoring the oil liquid flow for flowing through valve body in the test cabin, the pressure monitoring mould
For block for monitoring the intracorporal oil pressure of valve in the test cabin, the flow monitoring module and the pressure monitoring module pass through institute
Control module is stated to be electrically connected with the motor.
Preferably, as an embodiment, between the first pipe and the second pipe there are two settings
Between pipeline, there are two the variable throttle valves, and two variable throttle valves are separately mounted in two intermediate conduits,
Contrary the first check valve and second one-way valve, first check valve are also separately installed in two intermediate conduits
The second pipe is flowed to by the first pipe for limiting oil liquid, the second one-way valve is for limiting oil liquid by described the
First pipe described in two pipeline flow-directions.
Third check valve is installed, the third check valve is for limiting the oil liquid described the on the third pipeline
It is flowed in three pipelines from oil inlet end to oil outlet.
Preferably, as an embodiment, the temperature regulating device includes heater and the first radiator, the heating
Device and first radiator are installed on the fuel tank, and the heater is used to heat the oil liquid in the fuel tank, described
First radiator is used to radiate to the oil liquid in the fuel tank.
Preferably, as an embodiment, the heater includes heater strip, and the heater strip extend into the oil
In case.
Preferably, as an embodiment, the temperature regulating device includes the second radiator, the second radiator peace
Mounted in the oil outlet of the third pipeline, and second radiator is used to radiate to the oil liquid that will enter the peristaltic pump.
Preferably, as an embodiment, first radiator and second radiator are electronic heat dissipation
Fan.
Preferably, as an embodiment, the first shut-off valve, institute are installed between the oil filter and the oil pump
It states and is mounted on the second shut-off valve between oil pump and each test cabin, pacify on the first pipe and the second pipe
Equipped with third shut-off valve.
Preferably, as an embodiment, the oil pump and the test cabin correspond, and the oil pump by
The same motor driven.
Preferably, as an embodiment, the oil inlet end of each test cabin is mounted on pressure test table, often
Flowmeter is mounted on the oil inlet end of a test cabin and the third pipeline.
Compared with the prior art, the advantages of the present invention are as follows：
Valve body assembly durability testing system provided by the invention, mainly by fuel tank, oil filter, oil pump, motor, overflow
Valve, temperature regulating device, first pipe, second pipe, variable throttle valve, third pipeline, peristaltic pump, pollutant detecting instrument and at least one
A test cabin composition.
Before being tested, first it is added into fuel tank and has the oil liquid of specific pollutants or into the fuel tank for being placed with oil liquid
Specific pollutant is added, so that the indexs such as the density, granular size of pollutant and ingredient and needs in fuel tank inner fluid
The indexs such as density, granular size and the ingredient of a certain step change device internal contamination object of the real vehicle in service life course are identical,
To achieve the purpose that utilize speed changer inner fluid environment in the oil liquid simulation real vehicle in fuel tank；Meanwhile passing through temperature regulating device tune
Oil temperature in oil tank, so that the oil temperature in fuel tank can be identical as the oil temperature in speed changer in real vehicle operational process or connects
Closely.In order to enable into the speed change of the indexs and real vehicle such as density, granular size and the ingredient of pollutant in the intracorporal oil liquid of valve
The indexs such as the density, granular size of pollutant and ingredient are identical in device valve body, and oil filter is selected oil strain identical with real vehicle
Device.
When test, starting motor, under the action of oil pump, the oil liquid in fuel tank enters in test cabin through oil filter filtering,
Wherein, if the oil liquid pressure exported from oil pump is too big, overflow valve may turn on overflow valve port, so that components of system as directed pressure release, it will
Oil liquid pressure into test cabin is kept within the required range.Oil liquid can enter valve body after entering test cabin, and valve body works, later
Oil liquid in test cabin can flow to second pipe from first pipe, or flow to first pipe by second pipe, finally flow back to test
The flow direction of oil liquid can be specifically arranged in storehouse by measurement condition；Variable throttle valve is adjusted, variable throttle valve fictitious load is utilized；It opens
Peristaltic pump is moved, the oil liquid in test cabin can enter third pipeline, and enter in pollutant detecting instrument along third pipeline, pollutant
Detector can detect to flow through the indexs such as density, granular size and the ingredient of practical pollutant in the oil liquid of valve body, work as valve
When body breaks down, density, the particle of pollutant in the oil liquid for actually causing valve body damage can be known by pollutant detecting instrument
The indexs such as size and ingredient, to know the tolerance of valve body itself.When actual test, it can be adjusted and be wriggled by temperature regulating device
The oil temperature of the oil inlet end of pump to prevent the too high measuring accuracy for influencing pollutant measurement instrument of oil temperature, and extends pollutant measurement instrument
Service life.
It will be apparent that valve body assembly durability testing system provided by the invention, can learn the oil for causing valve body assembly to damage
The indexs such as practical pollutant density, granular size and ingredient in liquid, can be carried out convenient for the tolerance to valve body assembly itself
Judgement.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the theory structure schematic diagram of valve body assembly durability testing system provided in an embodiment of the present invention；
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of part B in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram of C portion in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram of the part D in Fig. 1.
Icon：1- fuel tank；2- oil filter；3- oil pump；4- motor；5- overflow valve；6- first pipe；7- second
Pipeline；8- third pipeline；9- variable throttle valve；10- peristaltic pump；11- pollutant detecting instrument；12- test cabin；In 13-
Between pipeline；The first check valve of 14-；15- second one-way valve；16- third check valve；17- heater；18- first radiates
Device；The second radiator of 19-；The first shut-off valve of 20-；The second shut-off valve of 21-；22- third shut-off valve；23- pressure test
Table；24- flowmeter.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second ", " third " are used for description purposes only,
It is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1-Fig. 5, the present embodiment one provides a kind of valve body assembly durability testing system, including fuel tank 1, filter
Oily device 2, oil pump 3, motor 4, overflow valve 5, temperature regulating device, first pipe 6, second pipe 7, variable throttle valve 9, third pipeline 8,
Peristaltic pump 10, pollutant detecting instrument 11 and at least one test cabin 12.
Wherein, the oil outlet of the fuel tank 1 is connected to through the oil filter 2 with the oil inlet of the oil pump 3, the motor 4
For driving the oil pump 3 to operate, the oil outlet of the oil pump 3 is connected to the oil inlet of the test cabin 12, and the overflow
Valve 5 is arranged between the oil pump 3 and the test cabin 12.
The first pipe 6 and the second pipe 7 are connected to the test cabin 12, the first pipe 6 with it is described
Variable throttle valve 9 is provided between second pipe 7, and the first pipe 6 and the second pipe 7 pass through the variable restrictor
Valve 9 is connected to；The oil inlet end of the third pipeline 8 is connected to the oil outlet of the test cabin 12, the oil outlet of the third pipeline 8
Successively it is connected to through the peristaltic pump 10 and the pollutant detecting instrument 11 with the oil inlet of the fuel tank 1.
The temperature regulating device is used to adjust the oil temperature of the oil inlet end of oil temperature and the peristaltic pump 10 in the fuel tank 1.
Band first is added into fuel tank 1 before being tested in the valve body assembly durability testing system that the present embodiment one provides
There is the oil liquid of specific pollutants or specific pollutant is added into the fuel tank 1 for being placed with oil liquid, so that in 1 inner fluid of fuel tank
The indexs such as density, granular size and the ingredient of pollutant and need real vehicle inside a certain step change device in service life course
The indexs such as density, granular size and the ingredient of pollutant are identical, become to reach using in the oil liquid simulation real vehicle in fuel tank 1
The purpose of fast device inner fluid environment；Meanwhile by the oil temperature in temperature regulating device regulating oil tank 1, so that the oil temperature energy in fuel tank 1
It is enough identical or close as the oil temperature in speed changer in real vehicle operational process.In order to enable into pollutant in the intracorporal oil liquid of valve
Density, granular size and the ingredient of pollutant in the indexs such as density, granular size and ingredient and the transmission valve body of real vehicle
Etc. indexs it is identical, oil filter 2 is selected into identical with real vehicle oil filter 2.
When test, start motor 4, under the action of oil pump 3, the oil liquid in fuel tank 1 enters test cabin through the filtering of oil filter 2
In 12, wherein if the oil liquid pressure exported from oil pump 3 is too big, overflow valve 5 may turn on 5 mouthfuls of overflow valve, so that components of system as directed
Pressure release keeps the oil liquid pressure for entering test cabin 12 within the required range.Oil liquid can enter valve body, valve after entering test cabin 12
Body running, the oil liquid in test cabin 12 can flow to second pipe 7 from first pipe 6 later, or flow to the first pipe by second pipe 7
Road 6 finally flows back to test cabin 12, and the flow direction of oil liquid can specifically be arranged by measurement condition；Variable throttle valve 9 is adjusted, using can
9 fictitious load of variable throttle valve；Start peristaltic pump 10, the oil liquid in test cabin 12 can enter third pipeline 8, and along third pipeline
8 enter in pollutant detecting instrument 11, and pollutant detecting instrument 11 can detect to flow through the close of the practical pollutant in the oil liquid of valve body
The indexs such as degree, granular size and ingredient can be known by pollutant detecting instrument 11 when valve body breaks down and actually cause valve
The indexs such as density, granular size and ingredient of pollutant in the oil liquid of body damage, to know the tolerance of valve body itself.It is real
When border is tested, the oil temperature for entering peristaltic pump 10 can be adjusted, by temperature regulating device to prevent the too high influence pollutant measurement instrument of oil temperature
Measuring accuracy, and extend the service life of pollutant measurement instrument.
It will be apparent that the valve body assembly durability testing system that the present embodiment one provides, can learn and valve body assembly is caused to damage
Oil liquid in the indexs such as practical pollutant density, granular size and ingredient, convenient for the tolerance performance to valve body assembly itself
Judged.
Embodiment two
Referring to Fig. 1-Fig. 5, the present embodiment two provides a kind of valve body assembly durability testing system, also uses simultaneously
The technical pattern relationship of valve body assembly durability testing system in above-described embodiment one；Such as：The present embodiment two provides one
Kind valve body assembly durability testing system, including fuel tank 1, oil filter 2, oil pump 3, motor 4, overflow valve 5, temperature regulating device, first
Pipeline 6, second pipe 7, variable throttle valve 9, third pipeline 8, peristaltic pump 10, pollutant detecting instrument 11 and at least one test cabin
12；Wherein, the oil outlet of the fuel tank 1 is connected to through the oil filter 2 with the oil inlet of the oil pump 3, and the motor 4 is for driving
It moves the oil pump 3 to operate, the oil outlet of the oil pump 3 is connected to the oil inlet of the test cabin 12, and the overflow valve 5 is arranged
Between the oil pump 3 and the test cabin 12；The first pipe 6 and the second pipe 7 connect with the test cabin 12
It is logical, it is provided with variable throttle valve 9 between the first pipe 6 and the second pipe 7, and the first pipe 6 and described the
Two pipelines 7 are connected to by the variable throttle valve 9；The oil outlet of the oil inlet end of the third pipeline 8 and the test cabin 12 connects
It is logical, the oil outlet of the third pipeline 8 successively through the peristaltic pump 10 and the pollutant detecting instrument 11 and the fuel tank 1 into
Hydraulic fluid port connection；The temperature regulating device is used to adjust the oil temperature of the oil inlet end of oil temperature and the peristaltic pump 10 in the fuel tank 1.
The valve body assembly durability testing system that the present embodiment two provides, with the valve body assembly durability in embodiment one
The primary structure of test macro is identical；But the valve body assembly durability testing system that the present embodiment two provides has further related to specifically
Structure design；Such as：Some technical characteristics are increased, and further restriction has been carried out to the specific structure of temperature regulating device.
The specific structure and technical effect of technical solution in relation to the present embodiment two are as follows：
Specifically, staff can also be bent according to the implementation measurement data or pollutant load that pollutant detecting instrument 11 is shown
Line, judges whether the pollutant in valve body is uniformly mixed.
In addition, second pipe 7 includes main pipeline and two laterals, the oil outlet of one of lateral is through compacted
Dynamic pump 10 and pollutant detecting instrument 11 are connected to the oil inlet of fuel tank 1, the oil outlet of another lateral directly with fuel tank 1
Oil inlet connection, the oil liquid a part for flowing into second pipe 7 enter pollutant detecting instrument 11 under the action of peristaltic pump 10 and carry out
Pollutant monitoring, a part are directly back to fuel tank 1.
Preferably, flow monitoring module, pressure monitoring module and control module can be set on test cabin 12, to utilize stream
Amount monitoring module monitors flow through the oil liquid flow of valve body in test cabin 12, utilize valve body in pressure monitoring module monitoring test storehouse 12
In oil liquid, flow monitoring module and pressure monitoring module are passed through into control module and are electrically connected with motor 4 so that control
Module controls motor 4 according to the information that flow monitoring module and pressure monitoring module are fed back, and realizes automatic cycle testing,
Testing efficiency is improved, manpower is saved.
Referring to Fig. 3, two intermediate conduits 13 are set between first pipe 6 and second pipe 7, and by variable throttle valve 9
Two are set as, two variable throttle valves 9 are separately mounted in two intermediate conduits 13, and is divided in two intermediate conduits 13
The first opposite check valve 14 of other installation direction and second one-way valve 15；Wherein, the first check valve 14 can limit oil liquid by
One pipeline 6 flows to second pipe 7, and second one-way valve 15 can limit oil liquid and flow to first pipe 6 by second pipe 7, prevents
Oil liquid adverse current in one pipeline 6 and second pipe 7, to adapt to the requirement of different operating conditions.
In addition, installing third check valve 16, on third pipeline 8 to limit oil liquid in third pipe using third check valve 16
It is flowed in road 8 from oil inlet end to oil outlet, prevents the oil liquid adverse current in third pipeline 8.
Referring to Fig. 5, having heaters 17 and the first radiator 18 are set in the specific structure of temperature regulating device；Wherein, it heats
Device 17 and the first radiator 18 are installed on fuel tank 1, and the oil liquid temperature in fuel tank 1 is lower, when needing to increase, can be opened and be added
Hot device 17 is using the oil liquid in 17 heating fuel tank 1 of heater, so that the oil liquid in fuel tank 1 rises to；Oil liquid temperature in fuel tank 1
Degree is higher, when needing to reduce, can open the first radiator 18, be radiated using the first radiator 18 to the oil liquid in fuel tank 1,
So that the oil liquid in fuel tank 1 is reduced to required temperature, thus using the effect of heater 17 and the first radiator 18, so that fuel tank
Oil temperature in 1 can be identical or close as the oil temperature in speed changer in real vehicle operational process.
Further, heater strip can be set in heater 17, and heater 17 is extend into inside fuel tank 1, to utilize
Heater strip heats the oil liquid in fuel tank 1.
Referring to Fig. 3, it is additionally provided with the second radiator 19 in the specific structure of temperature regulating device, the second radiator 19 is installed
In the oil outlet of third pipeline 8, to be radiated using the second radiator 19 to the oil temperature that will enter peristaltic pump 10, reduce compacted
Oil liquid temperature in dynamic pump 10 to prevent the too high measuring accuracy for influencing pollutant measurement instrument of oil temperature, and extends pollutant measurement
The service life of instrument.
Preferably, the first radiator 18 and the second radiator 19 can be disposed as electronic heat emission fan.
In addition, the first shut-off valve 20 can be installed between oil filter 2 and oil pump 3 referring to Fig. 3-Fig. 5, to need to be truncated
When oil circuit between oil filter 2 and oil pump 3, the first shut-off valve 20 is closed；Can be installed between oil pump 3 and each test cabin 12
Two shut-off valves 21, to close the second shut-off valve 21 when needing to be truncated the oil circuit between oil pump 3 and test cabin 12；Meanwhile it can be
Third shut-off valve 22 is installed, in the oil circuit for needing to be truncated first pipe 6 and second pipe 7 in first pipe 6 and second pipe 7
When, close third shut-off valve 22；That is, when test cabin 12 leaves unused, it can be by the first shut-off valve 20,21 and of the second shut-off valve
Third shut-off valve 22 is all closed so that the first shut-off valve 20 to the oil circuit between third shut-off valve 22 can with the external world every
From.
In specific structure, oil pump 3 is arranged in a one-to-one correspondence with test cabin 12, and oil pump 3 is driven by the same motor 4, from
And, on the one hand, the cost of power source is reduced, on the other hand, so that the oil pressure and flow velocity of the oil liquid into each test cabin 12
It can be close to equal, convenient for detecting.
Particularly, referring to fig. 4, it is respectively mounted pressure test table 23 in the oil inlet end of each test cabin 12, utilizes pressure test
Table 23 monitor will flow into test cabin 12 oil liquid oil pressure so that staff can real time inspection will enter test cabin
The oil pressure of 12 oil liquid, to find and handle in time in time when overflow valve 5 does not play good pressure stabilization function；Meanwhile it can be
It is respectively mounted flowmeter 24 on the oil inlet end and third pipeline 8 of test cabin 12, with the oil inlet end and third of real-time monitoring test cabin 12
The flow of oil liquid in pipeline 8 is checked when needed for staff.
In conclusion which overcome traditional the embodiment of the invention discloses a kind of valve body assembly durability testing system
Test many technological deficiencies of the equipment of valve body assembly durability in hydraulic system.Valve body assembly provided in an embodiment of the present invention is resistance to
Long property test macro, can learn practical pollutant density, granular size and the ingredient in the oil liquid for causing valve body assembly to damage
Etc. indexs, can be carried out judgement convenient for the tolerance to valve body assembly itself.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of valve body assembly durability testing system, which is characterized in that including fuel tank, oil filter, oil pump, motor, overflow valve,
Temperature regulating device, first pipe, second pipe, variable throttle valve, third pipeline, peristaltic pump, pollutant detecting instrument and at least one
Test cabin；
Wherein, the oil outlet of the fuel tank is connected to through the oil filter with the oil inlet of the oil pump, and the motor is for driving
The oil pump operating, the oil outlet of the oil pump is connected to the oil inlet of the test cabin, and the overflow valve is arranged described
Between oil pump and the test cabin；
The first pipe and the second pipe are connected to the test cabin, the first pipe and the second pipe it
Between be provided with variable throttle valve, and the first pipe is connected to the second pipe by the variable throttle valve；Described
The oil inlet end of three pipelines is connected to the oil outlet of the test cabin, the oil outlet of the third pipeline successively through the peristaltic pump and
The pollutant detecting instrument is connected to the oil inlet of the fuel tank；
The temperature regulating device is used to adjust the oil inlet end oil temperature of oil temperature and the peristaltic pump in the fuel tank.
2. valve body assembly durability testing system according to claim 1, which is characterized in that the test cabin includes flow
Monitoring modular, pressure monitoring module and control module, the flow monitoring module flow through valve body in the test cabin for monitoring
Oil liquid flow, the pressure monitoring module is for monitoring the intracorporal oil pressure of valve in the test cabin, the flow monitoring module
It is electrically connected by the control module with the motor with the pressure monitoring module.
3. valve body assembly durability testing system according to claim 1 or 2, which is characterized in that the first pipe with
There are two intermediate conduits for setting between the second pipe, and there are two the variable throttle valves, and two variable throttle valves
It is separately mounted in two intermediate conduits, it is unidirectional that contrary first is also separately installed in two intermediate conduits
Valve and second one-way valve, first check valve flows to the second pipe by the first pipe for limiting oil liquid, described
Second one-way valve flows to the first pipe by the second pipe for limiting oil liquid；
Third check valve is installed, the third check valve is for limiting oil liquid in the third pipeline on the third pipeline
It is flowed from oil inlet end to oil outlet.
4. valve body assembly durability testing system according to claim 1 or 2, which is characterized in that the temperature regulating device packet
Heater and the first radiator are included, the heater and first radiator are installed on the fuel tank, the heater
For heating the oil liquid in the fuel tank, first radiator is used to radiate to the oil liquid in the fuel tank.
5. valve body assembly durability testing system according to claim 4, which is characterized in that the heater includes heating
Silk, the heater strip are extend into the fuel tank.
6. valve body assembly durability testing system according to claim 4, which is characterized in that the temperature regulating device includes the
Second radiator, second radiator are mounted on the oil outlet of the third pipeline, and second radiator is used for will
Oil liquid into the peristaltic pump radiates.
7. valve body assembly durability testing system according to claim 6, which is characterized in that first radiator and institute
Stating the second radiator is electronic heat emission fan.
8. valve body assembly durability testing system according to claim 1 or 2, which is characterized in that the oil filter and institute
It states and the first shut-off valve is installed between oil pump, the second shut-off valve, institute are mounted between the oil pump and each test cabin
It states and is mounted on third shut-off valve on first pipe and the second pipe.
9. valve body assembly durability testing system according to claim 1, which is characterized in that the oil pump and the test
Storehouse corresponds, and the oil pump is by the same motor driven.
10. valve body assembly durability testing system according to claim 1 or 2, which is characterized in that each test cabin
Oil inlet end be mounted on pressure test table, be mounted on flow on the oil inlet end of each test cabin and the third pipeline
Meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180580.1A CN108895061B (en) | 2018-10-10 | 2018-10-10 | Valve body assembly durability test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112112865A (en) * | 2020-09-02 | 2020-12-22 | 山东大学 | Flow adjusting device and method in overflow valve test |
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| CN112112865B (en) * | 2020-09-02 | 2021-10-22 | 山东大学 | Flow adjusting device and method in overflow valve test |
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| CN108895061B (en) | 2024-03-05 |
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