CN109655256A - Testing stand and experimental rig - Google Patents
Testing stand and experimental rig Download PDFInfo
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- CN109655256A CN109655256A CN201811653026.0A CN201811653026A CN109655256A CN 109655256 A CN109655256 A CN 109655256A CN 201811653026 A CN201811653026 A CN 201811653026A CN 109655256 A CN109655256 A CN 109655256A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a kind of testing stand and experimental rigs, are related to detection device field, and testing stand includes test stand rack and test storehouse；The top of test stand rack is arranged in test storehouse, is provided with oil return box and oil return motor in test stand rack；Test is provided with valve body detection zone and solenoid valve detection zone in storehouse, test is additionally provided with total reversal valve in storehouse, first detection path and the second detection path, one end of total reversal valve with suction strainer mechanism for connecting, the other end of total reversal valve is used to connect with the first detection path and the second detection path, the other end in the first detection path and the second detection path is connect with oil return box, first detection path is used to detect the valve body on valve body detection zone, second detection path is used to detect the solenoid valve on solenoid valve detection zone, total reversal valve can control the on-off in the first detection path and the second detection path.It is needed with alleviating valve body and solenoid valve existing in the prior art detection using two equipment, the technical issues of it is big to occupy space, higher cost.
Description
Technical field
The present invention relates to detection device fields, in particular to a kind of testing stand and experimental rig.
Background technique
Currently, need to carry out performance and durable test before use for automatic transmission valve and solenoid valve, it is still, existing
When having the test in technology for valve body and solenoid valve, two different equipment is needed to detect valve body and solenoid valve, this
Sample not only improves cost, and the space that two different equipment are occupied is larger.
Summary of the invention
The purpose of the present invention is to provide a kind of testing stands, can detect respectively to valve body and solenoid valve, with slow
Solve it is existing in the prior art valve body and solenoid valve detection are needed using two distinct devices, it is big to occupy space, higher cost
The technical issues of.
Fig. 1 is testing stand schematic diagram provided in an embodiment of the present invention；Fig. 5 is the main view of experimental provision of the embodiment of the present invention
Figure.
The embodiment of the present invention is achieved in that
A kind of testing stand, including test stand rack and test storehouse；
The top of the test stand rack is arranged in the test storehouse, and oil return box is provided in the test stand rack and is returned
Oily motor；
It is provided with valve body detection zone and solenoid valve detection zone in the test storehouse, is additionally provided with total commutation in the test storehouse
Valve, the first detection path and the second detection path, one end of total reversal valve with suction strainer mechanism for connecting, total commutation
The other end of valve is used to connect with the first detection path and second detection path, first detection path and described second
The other end in detection path is connect with oil return box, and first detection path is used to detect the valve body on valve body detection zone, described
Second detection path is used to detect solenoid valve on solenoid valve detection zone, and total reversal valve can control the first detection path and the
The on-off in two detection paths.
In preferred embodiments of the present invention, first detection path includes the first fuel supply path and the first oil return line
Diameter, the valve body detection zone are arranged between first fuel supply path and the first oil return path, the first fuel supply path packet
It includes: sequentially connected proportional velocity regulating valve, Mass Flow Meter and first pressure sensor；
First oil return path includes range flow meter and the first needle-valve in the first two-position four way change valve, first, and
The first end of first two-position four way change valve is connect with the valve body detection zone, and the of first two-position four way change valve
Two ends are connect with the T mouth of the solenoid valve detection zone, are measured in the third end of first two-position four way change valve and described first
Range of flow meter connects, the one end of range flow meter far from first two-position four way change valve and first needle in described first
Valve connection.
In preferred embodiments of the present invention, the solenoid valve detection zone includes environment storehouse, is provided with P on the environment storehouse
Mouthful, A mouthfuls and T mouthfuls described.
In preferred embodiments of the present invention, second detection path includes the second fuel supply path and the second oil return line
Diameter；
The solenoid valve detection zone is arranged between second fuel supply path and second oil return path；
Second fuel supply path includes pressure reducing valve, the first three position four-way directional control valve, second liang of position and four-way reversing valve, a small amount of
Range of flow meter, the first check valve, the one 0 leakage reversal valve, the 2nd 0 leakage reversal valve, second pressure sensor and third pressure
Sensor；
The first end pressure reducing valve of first three position four-way directional control valve connects, and the second of first three position four-way directional control valve
End is connect with small-range flowmeter, the third end of first three position four-way directional control valve and second liang of position and four-way reversing valve
First end connection, the second end of second liang of position and four-way reversing valve and third end respectively with the one 0 leakage reversal valve and
It is described 2nd 0 leakage reversal valve connection, it is described 1st leakage reversal valve and the small-range flowmeter with the second pressure
Sensor connection, and first check valve is arranged between the small-range flowmeter and the second pressure sensor, institute
It states second pressure sensor to connect with described P mouthfuls, the 2nd 0 leakage reversal valve is connect with the third pressure sensor, institute
It states third pressure sensor to connect with described A mouthfuls, the third pressure sensor and the 2nd 0 leakage reversal valve are provided with the
Two needle-valves.
In preferred embodiments of the present invention, second oil return path is including in the second three position four-way directional control valve, second
Range flow meter and the first overflow valve；
Range flow meter, the second three position four-way directional control valve and first overflow valve are sequentially connected in described second, described
The one end of range flow meter far from second three position four-way directional control valve is connect with the 2nd 0 leakage reversal valve in second, institute
The first overflow valve is stated to connect far from one end of second three position four-way directional control valve with the oil return box.
In preferred embodiments of the present invention, the testing stand further includes the oil temperature circulatory system and oil feeding reservoirs；
The oil temperature circulatory system is for adjusting temperature oily in oil feeding reservoirs, one end of the oil feeding reservoirs and the rotary vacuum filter
Structure connection, the other end of the oil feeding reservoirs is connect with the oil return box, and is provided between the oil feeding reservoirs and the oil return box
Oil in the oil return box can be drawn into the oil feeding reservoirs by oil suction filtering mechanism, the oil suction filtering mechanism.
In preferred embodiments of the present invention, the suction strainer mechanism includes suction filter, high-pressure ball valve, the first oil pump, first
Motor, second one-way valve, level-one pressure filter and second level pressure filter；
The suction filter, high-pressure ball valve, the first oil pump, second one-way valve, level-one pressure filter and second level pressure filter successively connect
It connects, one end of the suction filter is connect with the oil feeding reservoirs, and the second level pressure filter is connect with total reversal valve.
In preferred embodiments of the present invention, the testing stand further includes stored energy mechanism；
The stored energy mechanism includes accumulator and the second overflow valve, and one end of second overflow valve and the accumulator connect
It connects, second overflow valve is connect with the oil feeding reservoirs.
Further include third fuel supply path in preferred embodiments of the present invention, is provided on the third fuel supply path
Three needle-valves, one end of the third fuel supply path are connected between the pressure reducing valve and total reversal valve, the third fuel feeding
The other end in path is connect with the environment storehouse, for the oiling of environment storehouse.
A kind of experimental rig has the testing stand, further includes station, oil mist collector and ventilation duct；
Multiple display screens are provided on the station, the station is for controlling total reversal valve, the first detection
The top in the test storehouse, the ventilation duct and the mist of oil is arranged in path and the second detection path, the oil mist collector
Collector is connected far from the test silo roof end.
A kind of testing stand provided by the invention, including test stand rack and test storehouse；The test storehouse is arranged in the examination
The top of platform rack is tested, oil return box and oil return motor are provided in the test stand rack；Valve body is provided in the test storehouse
Detection zone and solenoid valve detection zone are additionally provided with total reversal valve, the first detection path and the second detection path in the test storehouse,
One end of total reversal valve for connect with suction strainer mechanism, the other end of total reversal valve be used for first detect path and
The other end in second detection path connection, the first detection path and second detection path is connect with oil return box,
First detection path is used to detect the valve body on valve body detection zone, and the second detection path is for detecting solenoid valve detection
Solenoid valve in area, total reversal valve can control the on-off in the first detection path and the second detection path.Using above-mentioned side
Case can make the first detection path or the second detection path start to work or stop working by the adjusting of total reversal valve, due to
First detection path and the second detection path can be respectively to the valve bodies and solenoid valve in valve body detection zone and solenoid valve detection zone
It is detected, needs to occupy sky using two distinct devices to alleviate existing in the prior art detect valve body and solenoid valve
Between it is big, the technical issues of higher cost.
A kind of experimental rig provided by the invention has the testing stand, further includes station, oil mist collector and logical
Air hose；Multiple display screens are provided on the station, the station is for controlling total reversal valve, the first detection path
With the second detection path, the top in the test storehouse is arranged in the oil mist collector, and the ventilation duct and the mist of oil are collected
Device is connected far from the test silo roof end.The beneficial effect that it is generated is identical as the beneficial effect of testing stand, repeats no more.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is testing stand schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the first fuel supply path of testing stand provided in an embodiment of the present invention and the second fuel supply path schematic diagram；
Fig. 3 is testing stand the first oil return path provided in an embodiment of the present invention and the second oil return path schematic diagram；
Fig. 4 is the schematic diagram of testing stand suction strainer provided in an embodiment of the present invention mechanism and stored energy mechanism；
Fig. 5 is the main view of experimental provision of the embodiment of the present invention.
In figure: 1- test stand rack；2- tests storehouse；3- oil feeding reservoirs；The 4- oil temperature circulatory system；5- stored energy mechanism；
6- suction strainer mechanism；7- oil mist collector；8- station；100- valve body detection zone；200- solenoid valve detection zone；300-
One fuel supply path；The first oil return of 400- path；The second fuel supply path of 500-；The second oil return of 600- path；700- always commutates
Valve；21- oil return box；The second overflow valve of 51-；52- accumulator；61- suction filter；62- high-pressure ball valve；The first oil pump of 63-；
64- first motor；65- second one-way valve；66- level-one pressure filter；67- second level pressure filter；210-P mouthfuls；220-A mouthfuls；
230-T mouthfuls；310- proportional velocity regulating valve；320- Mass Flow Meter；330- first pressure sensor；410- the one or two
Four-way reversing valve；Range flow meter in 420- first；The first needle-valve of 430-；510- pressure reducing valve；The first 3-position 4-way of 520-
Reversal valve；Second liang of position and four-way reversing valve of 530-；540- small-range flowmeter；The first check valve of 550-；560- the 1st is let out
Reveal reversal valve；570- second pressure sensor；580- the 2nd 0 reveals reversal valve；590- third pressure sensor；610-
Two three position four-way directional control valves；Range flow meter in 620- second；The first overflow valve of 630-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is testing stand schematic diagram provided in an embodiment of the present invention；Fig. 5 is the main view of experimental provision of the embodiment of the present invention
Figure.As described in figures 1 and 5, a kind of testing stand provided by the invention, including test stand rack 1 and test storehouse 2；
The top of the test stand rack 1 is arranged in the test storehouse 2, is provided with oil return box in the test stand rack 1
With oil return motor；
It is provided with valve body detection zone 100 and solenoid valve detection zone 200 in the test storehouse 2, is also set up in the test storehouse 2
There is total reversal valve 700, first to detect path and the second detection path, one end of total reversal valve 700 is used for and suction strainer mechanism 6
Connection, the other end of total reversal valve 700 are used to connect with the first detection path and second detection path, and described first
The other end in detection path and second detection path is connect with oil return box, and the first detection path is for detecting valve body inspection
The valve body in area 100 is surveyed, second detection path is used to detect the solenoid valve on solenoid valve detection zone 200, total commutation
Valve 700 can control the on-off in the first detection path and the second detection path.
Wherein, suction strainer mechanism 6 is used to draw the oil in oil feeding reservoirs 3, and oil is transported at total reversal valve 700, according to
Specific test needs, and total reversal valve 700 makes the first detection path or second detects the state that path is in connection, with realization pair
The detection of valve body or solenoid valve.
In the present embodiment, by the adjusting of total reversal valve 700, the first detection path or the second detection path can be made to start
It works or stops working, since the first detection path and the second detection path can be respectively to valve body detection zone 100 and solenoid valves
Valve body and solenoid valve in detection zone 200 are detected, and are needed with alleviating existing in the prior art detect to valve body and solenoid valve
Two distinct devices are used, the technical issues of it is big to occupy space, higher cost.
Fig. 2 is the first fuel supply path of testing stand provided in an embodiment of the present invention and the second fuel supply path schematic diagram；Fig. 3 is this
Testing stand the first oil return path and the second oil return path schematic diagram that inventive embodiments provide.As shown in Figures 2 and 3, in the present invention
In preferred embodiment, first detection path includes the first fuel supply path 300 and the first oil return path 400, the valve body
Detection zone 100 is arranged between first fuel supply path 300 and the first oil return path 400, and first fuel supply path 300 wraps
It includes: sequentially connected proportional velocity regulating valve 310, Mass Flow Meter 320 and first pressure sensor 330；
First oil return path 400 includes range flow meter 420 and the in the first two-position four way change valve 410, first
One needle-valve 430, and the first end of first two-position four way change valve 410 is connect with the valve body detection zone 100, described first
The second end of two-position four way change valve 410 is connect with the T mouth 230 of the solenoid valve detection zone 200, and first two-position four-way changes
It is connect to the third end of valve 410 with range flow meter 420 in described first, range flow meter 420 is far from described in described first
One end of first two-position four way change valve 410 is connect with first needle-valve 430.
In preferred embodiments of the present invention, the solenoid valve detection zone 200 includes environment storehouse, is arranged on the environment storehouse
There are P mouth 210, A mouth 220 and T mouth 230.
In preferred embodiments of the present invention, second detection path includes the second fuel supply path 500 and the second oil return
Path 600；
The solenoid valve detection zone 200 setting second fuel supply path 500 and second oil return path 600 it
Between；
Second fuel supply path 500 includes that pressure reducing valve 510, the first three position four-way directional control valve 520, the second two four-ways change
To valve 530, small-range flowmeter 540, the first check valve the 550, the 1st leakage reversal valve the 560, the 2nd 0 reveal reversal valve 580,
Second pressure sensor 570 and third pressure sensor 590；
The first end pressure reducing valve 510 of first three position four-way directional control valve 520 connects, first three position four-way directional control valve
520 second end is connect with small-range flowmeter 540, the third end of first three position four-way directional control valve 520 and described second
The first ends of two position and four-way reversing valves 530 connects, the second end of second liang of position and four-way reversing valve 530 and third end respectively with
The one 0 leakage reversal valve 560 and the 2nd 0 leakage reversal valve 580 connect, the one 0 leakage reversal valve 560 and institute
It states small-range flowmeter 540 to connect with the second pressure sensor 570, and first check valve 550 is arranged described
Between small-range flowmeter 540 and the second pressure sensor 570, the second pressure sensor 570 and the P mouth 210
Connection, the 2nd 0 leakage reversal valve 580 are connect with the third pressure sensor 590, the third pressure sensor 590
It is connect with the A mouth 220, the third pressure sensor 590 and the 2nd 0 leakage reversal valve 580 are provided with the second needle-valve.
In preferred embodiments of the present invention, second oil return path 600 include the second three position four-way directional control valve 610,
Range flow meter 620 and the first overflow valve 630 in second；
Range flow meter 620, the second three position four-way directional control valve 610 and first overflow valve 630 be successively in described second
It connects, the one end of range flow meter 620 far from second three position four-way directional control valve 610 is let out with the described 2nd 0 in described second
Reveal reversal valve 580 connect, the one end of first overflow valve 630 far from second three position four-way directional control valve 610 with described time
Fuel tank connection.
In the present embodiment, total reversal valve 700 is 500 fuel feeding of the second fuel supply path, and pressure reducing valve 510 can stablize P mouth 210
Charge oil pressure, when the first three position four-way directional control valve 520, which is switched to, is connected to pressure reducing valve 510 with small-range flowmeter 540, oil is logical
When too small range flow meter 540 and second pressure sensor 570 enter P mouth 210, at this point, A mouth 220 is not fuel-displaced, third pressure
Sensor 590 can obtain the pressure of A mouth 220, and second pressure sensor 570 is able to detect that the pressure of P mouth 210, small-range
Flowmeter 540 is able to detect that the fuel delivery that solenoid valve to be detected is entered from P mouth 210, enters in solenoid valve to be detected
Oil can also access solenoid valve to be detected by range flow meter 420 in the first two-position four way change valve 410 and first in this way
Vent flow；
Total reversal valve 700 is 500 fuel feeding of the second fuel supply path, and pressure reducing valve 510 can stablize the charge oil pressure of P mouth 210, when
First three position four-way directional control valve 520 is switched to when being connected to pressure reducing valve 510 with the one 0 leakage reversal valve 560, second pressure sensing
Device 570 is able to detect that the pressure of P mouth 210 at this time, and A mouth 220 is connected to the second oil return line, third pressure sensor 590
It is able to detect that the pressure of A mouth 220, and then P-A flow can be obtained；Total reversal valve 700 is 500 fuel feeding of the second fuel supply path,
Pressure reducing valve 510 can stablize the charge oil pressure of P mouth 210, when the first three position four-way directional control valve 520 be switched to make pressure reducing valve 510 with
Second liang of position and four-way reversing valve 530 connects, and second liang of position and four-way reversing valve 530 is connected to the 2nd 0 leakage reversal valve 580, this
When be 220 fuel feeding of A mouth, T mouth 230 in opening state, third pressure sensor 590 be able to detect that A mouth 220 for oil pressure
Power, and the quiescent flow of A-T can be measured；
Total reversal valve 700 is 300 fuel feeding of the first fuel supply path, and oil passes through proportional velocity regulating valve 310, Mass Flow Meter 320
It is entered in valve body with first pressure sensor 330, oil enters oil return box by the first oil return path 400, according to the first pressure
Force snesor 330 obtains valve body charge oil pressure, additionally it is possible to obtain fuel delivery according to Mass Flow Meter 320 and middle range flow meter
And difference.
Fig. 4 is the schematic diagram of testing stand suction strainer provided in an embodiment of the present invention mechanism and stored energy mechanism.As shown in figure 4,
In preferred embodiments of the present invention, the testing stand further includes the oil temperature circulatory system 4 and oil feeding reservoirs 3；
The oil temperature circulatory system 4 is for adjusting temperature oily in oil feeding reservoirs 3, one end of the oil feeding reservoirs 3 and the suction
Filter structure 6 connects, and the other end of the oil feeding reservoirs 3 is connect with the oil return box, and between the oil feeding reservoirs 3 and the oil return box
It is provided with oil suction filtering mechanism, the oil in the oil return box 21 can be drawn into the oil feeding reservoirs 3 by the oil suction filtering mechanism
In.
In the present embodiment, oil feeding reservoirs 3 and suction strainer mechanism 6 are connected, and suction strainer mechanism 6 draws oil from oil feeding reservoirs 3, and oil temperature is followed
Loop system 4 is connect with oil feeding reservoirs 3, and 4 test oil of the oil temperature circulatory system is indirectly heated and cooled down, when keeping test oil temperature long
Between be maintained at required test temperature, improve testing efficiency.
In preferred embodiments of the present invention, the suction strainer mechanism 6 includes suction filter 61, high-pressure ball valve 62, the first oil pump
63, first motor 64, second one-way valve 65, level-one pressure filter 66 and second level pressure filter 67；
The suction filter 61, high-pressure ball valve 62, the first oil pump 63, second one-way valve 65, level-one pressure filter 66 and second level pressure
Filter 67 is sequentially connected, and one end of the suction filter 61 is connect with the oil feeding reservoirs 3, and the second level pressure filter 67 is always changed with described
It is connected to valve 700.
In the present embodiment, first motor 64 drives the first oil pump 63 that oil in oil feeding reservoirs 3 is drawn onto smash by suction filter 61
Valve 62 is entered after second one-way valve 65 and is connect by level-one pressure filter 66 and second level pressure filter 67 with total reversal valve 700, in this way
The quality that the oil in total reversal valve 700 can be made to enter is improved.
In preferred embodiments of the present invention, the testing stand further includes stored energy mechanism 5；
The stored energy mechanism 5 include accumulator 52 and the second overflow valve 51, one end of second overflow valve 51 with it is described
Accumulator 52 connects, and second overflow valve 51 is connect with the oil feeding reservoirs 3.
In the present embodiment, play the role of protection, overflow, the second overflow valve 51 is also parallel with accumulator 52, accumulator 52
Entrance is also provided with the 4th needle-valve, adjusts 52 inlet restriction area of accumulator by the 4th needle-valve, accumulator 52 plays oil suction
The use of pressure fluctuation.
Further include third fuel supply path in preferred embodiments of the present invention, is provided on the third fuel supply path
Three needle-valves, one end of the third fuel supply path are connected between the pressure reducing valve 510 and total reversal valve 700, and described
The other end of three fuel supply paths is connect with the environment storehouse, for the oiling of environment storehouse.
In the present embodiment, third fuel supply path is that environment storehouse carries out fuel feeding, to simulate solenoid valve when detected in work
The state of work, the setting of third needle-valve can control the on-off of third fuel supply path.
A kind of experimental rig provided by the invention has the testing stand, further includes station 8,7 and of oil mist collector
Ventilation duct；Multiple display screens are provided on the station 8, the station 8 is for controlling total reversal valve 700, first
Path and the second detection path are detected, the top in the test storehouse 2, the ventilation duct and institute is arranged in the oil mist collector 7
Oil mist collector 7 is stated to connect far from 2 top of test storehouse.The beneficial effect that it is generated is identical as the beneficial effect of testing stand,
It repeats no more.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of testing stand, which is characterized in that including test stand rack and test storehouse；
The top of the test stand rack is arranged in the test storehouse, and oil return box and oil return electricity are provided in the test stand rack
Machine；
Valve body detection zone and solenoid valve detection zone are provided in the test storehouse, be additionally provided in the test storehouse total reversal valve,
First detection path and the second detection path, one end of total reversal valve with suction strainer mechanism for connecting, total reversal valve
The other end be used for first detection path and it is described second detection path connect, it is described first detection path and it is described second examines
The other end for surveying path connect with oil return box, and described first detects path for detecting valve body on valve body detection zone, and described the
Two detection paths are used to detect the solenoid valve on solenoid valve detection zone, and total reversal valve can control the first detection path and second
Detect the on-off in path.
2. testing stand according to claim 1, which is characterized in that it is described first detection path include the first fuel supply path and
First oil return path, the valve body detection zone are arranged between first fuel supply path and the first oil return path, and described first
Fuel supply path includes: sequentially connected proportional velocity regulating valve, Mass Flow Meter and first pressure sensor；
First oil return path includes range flow meter and the first needle-valve in the first two-position four way change valve, first, and described
The first end of first two-position four way change valve is connect with the valve body detection zone, the second end of first two-position four way change valve
It is connect with the T mouth of the solenoid valve detection zone, range stream in the third end of first two-position four way change valve and described first
Meter connects, and the one end of range flow meter far from first two-position four way change valve and first needle-valve connect in described first
It connects.
3. testing stand according to claim 2, which is characterized in that the solenoid valve detection zone includes environment storehouse, the ring
P mouthfuls, A mouthfuls and T mouthfuls described are provided on the storehouse of border.
4. testing stand according to claim 3, which is characterized in that it is described second detection path include the second fuel supply path and
Second oil return path；
The solenoid valve detection zone is arranged between second fuel supply path and second oil return path；
Second fuel supply path includes pressure reducing valve, the first three position four-way directional control valve, second liang of position and four-way reversing valve, small-range stream
Meter, the first check valve, the one 0 leakage reversal valve, the 2nd 0 leakage reversal valve, second pressure sensor and third pressure sensing
Device；
The first end pressure reducing valve of first three position four-way directional control valve connects, the second end of first three position four-way directional control valve with
The first of the connection of small-range flowmeter, the third end of first three position four-way directional control valve and second liang of position and four-way reversing valve
End connection, the second end of second liang of position and four-way reversing valve and third end respectively with the one 0 leakage reversal valve and described
2nd 0 leakage reversal valve connection, the one 0 leakage reversal valve and the small-range flowmeter are sensed with the second pressure
Device connection, and first check valve is arranged between the small-range flowmeter and the second pressure sensor, described the
Two pressure sensors are connect with described P mouthfuls, and the 2nd 0 leakage reversal valve is connect with the third pressure sensor, and described the
Three pressure sensors are connect with described A mouthfuls, and the third pressure sensor and the 2nd 0 leakage reversal valve are provided with the second needle
Valve.
5. testing stand according to claim 4, which is characterized in that second oil return path includes that the second 3-position 4-way changes
Range flow meter and the first overflow valve into valve, second；
Range flow meter, the second three position four-way directional control valve and first overflow valve are sequentially connected in described second, and described second
The one end of middle range flow meter far from second three position four-way directional control valve is connect with the 2nd 0 leakage reversal valve, and described the
One overflow valve is connect far from one end of second three position four-way directional control valve with the oil return box.
6. testing stand according to claim 5, which is characterized in that the testing stand further includes the oil temperature circulatory system and fuel feeding
Case；
The oil temperature circulatory system connects for adjusting temperature oily in oil feeding reservoirs, one end of the oil feeding reservoirs and the suction strainer mechanism
It connects, the other end of the oil feeding reservoirs is connect with the oil return box, and is provided with oil suction between the oil feeding reservoirs and the oil return box
Oil in the oil return box can be drawn into the oil feeding reservoirs by filter mechanism, the oil suction filtering mechanism.
7. testing stand according to claim 6, which is characterized in that the suction strainer mechanism includes suction filter, high-pressure ball valve,
One oil pump, first motor, second one-way valve, level-one pressure filter and second level pressure filter；
The suction filter, high-pressure ball valve, the first oil pump, second one-way valve, level-one pressure filter and second level pressure filter are sequentially connected, institute
The one end for stating suction filter is connect with the oil feeding reservoirs, and the second level pressure filter is connect with total reversal valve.
8. testing stand according to claim 7, which is characterized in that the testing stand further includes stored energy mechanism；
The stored energy mechanism includes accumulator and the second overflow valve, and one end of second overflow valve is connect with the accumulator,
Second overflow valve is connect with the oil feeding reservoirs.
9. testing stand according to claim 8, which is characterized in that it further include third fuel supply path, the third oil passage
Third needle-valve is provided on diameter, one end of the third fuel supply path is connected between the pressure reducing valve and total reversal valve,
The other end of the third fuel supply path is connect with the environment storehouse, for the oiling of environment storehouse.
10. a kind of experimental rig, which is characterized in that there are such as described in any item testing stands of claim 1-9, further include behaviour
Make platform, oil mist collector and ventilation duct；
Multiple display screens are provided on the station, the station is for controlling total reversal valve, the first detection path
With the second detection path, the top in the test storehouse is arranged in the oil mist collector, and the ventilation duct and the mist of oil are collected
Device is connected far from the test silo roof end.
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Cited By (1)
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| CN113984371A (en) * | 2021-09-30 | 2022-01-28 | 浙江大学台州研究院 | Durable automatic test system of intelligent toilet bowl solenoid valve |
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| CN109655256B (en) | 2021-02-26 |
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