CN109186707A - A kind of oil level indicator experimental rig and its test method - Google Patents
A kind of oil level indicator experimental rig and its test method Download PDFInfo
- Publication number
- CN109186707A CN109186707A CN201811120338.5A CN201811120338A CN109186707A CN 109186707 A CN109186707 A CN 109186707A CN 201811120338 A CN201811120338 A CN 201811120338A CN 109186707 A CN109186707 A CN 109186707A
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- oil level
- level indicator
- sliding panel
- driving mechanism
- sealing
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- 238000010998 test method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 36
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a kind of oil level indicator experimental rigs, it includes the sink equipped with liquid, pedestal in sink, guide post, sliding panel, sealing frock, driving mechanism and elastomeric element, guide post lower end is fixedly connected with pedestal, the upper end of guide post is fixedly installed top plate, sliding panel can be slided up and down along guide post, sealing frock is connect by sealing ring with oil level indicator to be tested, driving mechanism is fixed on top plate, for pushing down on oil level indicator to be tested, elastomeric element provides upward support force for sliding panel, when driving mechanism does not push oil level indicator to be tested, sliding panel is supported liquid level in the sink or more by elastomeric element.The present invention has the features such as easy to operate, labor intensity is low, and test efficiency is high；It can be easy to cause oil level indicator external screw thread the problems such as damaging or polluting to avoid existing existing test tool internal screw thread simultaneously.The invention further relates to the test methods of the oil level indicator experimental rig.
Description
Technical field
The present invention relates to oil level indicator experimental examination technical field more particularly to a kind of oil level indicator experimental rig and
Its test method.
Background technique
Existing oil level indicator usually passes through setting and is connected on gear-box in external screw joint, is used to refer to oil level
Just, such as patent document 1(publication number: CN204300318U).The oil level indicator quantity produced in factory is big, and every product
Factory is required to carry out pneumatic sealing test.Referring to Fig. 1, the experiment process of existing test tool is specific as follows:
1, sealing frock 3 is fixed on vice；
2, oil level indicator 1 is connected on sealing frock 3 by external screw thread, and by manually mode by seal operation 3 and oil
Position 14 connection screw thread of indicator is tightened and to tighten torsion larger (not less than 15N.m), between oil level indicator 14 and seal operation 3
It is sealed by sealing ring 15；
3, it is removed from vice together after seal operation 3 is connected with oil level indicator 14, by the tracheae of test and sealing work
3 tracheae quick coupling 32 is filled to connect；
4, seal operation 3 and oil level indicator 14 are put into togerther in sink and are completely immersed in water, open the air of compressed gas
Switch, adjustment air pressure are tested；
5, after the completion of testing, air switch is closed, the tracheae of test is pulled out from the tracheae quick coupling 32 of seal operation 3
Out；
6, seal operation 3 is fixed on vice, is unloaded oil level indicator 14 from tooling by manually mode.
Existing test tooling structure is relatively simple, and test period required for every product is long, large labor intensity；Separately
Outside, there is also toolings and oil level indicator screw thread to be not secured to position for existing tooling, and test is caused to be distorted, and easy pair of tooling internal screw thread
Oil level indicator external screw thread causes the problems such as damaging or polluting.
Summary of the invention
The present invention is in order to solve large labor intensity during existing oil level indicator test, and test efficiency is low, and tooling is to production
There are the technical problems such as damage or pollution in product external screw thread, provide a kind of oil level indicator experimental rig and test method, specific skill
Art scheme is as follows.
A kind of oil level indicator experimental rig characterized by comprising
Sink, the sink is interior to have liquid；
Pedestal, the pedestal are located in the sink；
Guide post, the guide post lower end are fixedly connected with the base, and the upper end of the guide post is fixedly installed top plate；
Sliding panel, the sliding panel can be slided up and down along the guide post；
Sealing frock, the sealing frock are placed on the sliding panel and have a cylindrical portion, and the top of the cylindrical portion is set
It is equipped with the sealing ring for connecting the cylindrical portion and oil level indicator to be tested, inner cavity and the test of the cylindrical portion
Gas source is connected；
For pushing down on the driving mechanism of the oil level indicator to be tested, the driving mechanism is fixed at the top
On plate；And
The elastomeric element of upward support force is provided for the sliding panel, when the driving mechanism does not push the oil level to be tested
When indicator, the sliding panel is supported liquid level in the sink or more by the elastomeric element.
Further, the oil level indicator experimental rig further includes having pull rod, the bottom end of the pull rod and the sliding
Plate is fixedly connected, and the pull rod is movably through the top plate；The elastomeric element is to be set in the pull rod positioned at described
The lower end of first compressed spring of top plate above section, first compressed spring is connected to the upper surface of the top plate, described
The upper end of first compressed spring is connected to the adjusting nut being set on the pull rod.
Further, the elastomeric element is extension spring, the lower end of the extension spring and the fixed company of the sliding panel
It connects, the upper end of the extension spring is fixedly connected with the top plate.
Further, the elastomeric element is the second compressed spring, and the upper end of second compressed spring is connected to described
The lower end of the lower surface of sliding panel, second compressed spring is connected to pedestal or sink.
Further, there is the locating part for limiting the sliding panel upper limit position on the guide post.
Further, pushing mechanism is provided on the drive rod of the driving mechanism, the mounting plate of the pushing mechanism is worn
It is located on the drive rod, the fastening nut that the mounting plate is arranged on the drive rod is fixed, and the fastening nut is set
There are two setting, and it is located at the two sides of the mounting plate.
Based on the same inventive concept, the invention further relates to a kind of test method of oil level indicator, which is used
Above-mentioned oil level indicator experimental rig, key step are as follows:
1), the sliding panel is located at liquid level or more under the support of elastomeric element, and the sealing frock is placed in the sliding
On plate；
2), oil level indicator is placed on sealing frock, the sliding panel is still located on liquid level or more；
3), the driving mechanism pushes down on the oil level indicator, institute in the case where overcoming the elastomeric element support force
It states oil level indicator and the sealing frock is tightly connected by the sealing ring, so that the oil level indicator enters in liquid
When, it is ensured that liquid will not enter in the inner cavity of sealing frock；
4), the oil level indicator and the sealing frock enter in liquid together under the promotion of the driving mechanism, until
The sealing frock is connected to the pedestal, at this point, oil level indicator is completely immersed in liquid；
5), the thrust of the driving mechanism maintains to seal between oil level indicator and sealing frock, it is ensured that the inner cavity of sealing frock
Compressed air of the middle filling more than or equal to 0.4MPa is without leaking；
6) compressed air more than or equal to 0.4MPa, is filled into the inner cavity of the sealing frock by gas source, observation oil level refers to
Whether the sealing effect for showing whether device bubbles to determine oil level indicator is good；
7), after the completion of leakage test, the compressed air in the sealing frock is discharged；
8), driving mechanism release is to the thrust of the oil level indicator, the sliding panel under the action of elastomeric element to
On move to the above position of liquid level, terminate experiment.
The present invention has the features such as easy to operate, labor intensity is low, and test efficiency is high compared with the prior art；Meanwhile it can
It is not secured to position to avoid existing existing test tool and oil level indicator screw thread, test is caused to be distorted, tooling internal screw thread holds
Easily is caused to oil level indicator external screw thread the problems such as damaging or polluting.
Detailed description of the invention
Fig. 1 is existing oil level indicator test tool schematic diagram；
Fig. 2 is the front view of oil level indicator experimental rig of the invention；
Fig. 3 is sealing frock and oil level indicator connection schematic diagram of the invention；
Fig. 4 is the side view of oil level indicator experimental rig of the invention.
In figure: pedestal 1, sliding panel 2, sealing frock 3, cylindrical portion 31, tracheae quick coupling 32, pushing mechanism 4, mounting plate
41, guide post 5, fastening nut 6, pull rod 7, elastomeric element 8, adjusting nut 9, driving mechanism 10, drive rod 101, top plate 11, sink
12, liquid 13, oil level indicator 14, sealing ring 15, tracheae 16.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
Referring to fig. 2-4, oil level indicator experimental rig of the invention includes sink 12, pedestal 1, guide post 5, top plate 11, slides
Movable plate 2, sealing frock 3, driving mechanism 10 and elastomeric element 8.
There is the liquid 13 for testing air-tightness, which is preferably clear water in sink 12；Pedestal 1 is located at the water
In slot 12；The lower end of guide post 5 is fixedly connected with pedestal 1, and the upper end of guide post 5 is fixedly installed top plate 11, and guide post quantity is greater than etc.
In 2, preferably 4；Sliding panel 2 is threaded through on guide post 5, can be slided up and down along guide post 5.Preferably, guide post 5 is using upper and lower
Two sections of designs, the diameter of upper section are greater than lower section, and the transition position of upper-lower section forms the shaft shoulder (example of locating part), and the shaft shoulder is for limiting
The upper limit position of sliding panel upward sliding processed, before on-test, sliding panel 2 is located at the upper limit position；Those skilled in the art can
With understanding, in order to limit the upper limit position of sliding panel, the locating part of other forms can also be set on guide post 5, such as:
The stopper section etc. on stop nut or prominent 5 surface of guide post.
Referring to Fig. 3, sealing frock 3 is placed on sliding panel 2 and has a cylindrical portion 31, and the top of cylindrical portion 31 is provided with
For connecting the sealing ring 15 of the cylindrical portion 31 and oil level indicator 14 to be tested, the inner cavity of cylindrical portion 31 passes through tracheae 16
It is connected with the gas source (not shown) of test, air pressure pump or gas cylinder etc. can be used in gas source；In order to improve connection
Convenience, settable tracheae quick coupling 32 on sealing frock 3, one end of tracheae 16 and the tracheae quick coupling 32 are dismountable
Connection, the other end are connected to gas source, and gas source is for proposing the compressed gas being for experiment；In order to keep sealing frock 3 is smooth to put
Be placed on sliding panel 2, on sliding panel 2 it is settable evacuation tracheae quick coupling 32 and/or tracheae 16 structure, such as: avoid holes or
Person's escape groove.The top of cylindrical portion 31 is provided with cricoid groove, and sealing ring 15 is arranged in the groove, the top of sealing ring 15
The groove is protruded from so that oil level indicator 14 can be connected to, as described in Figure 3, sealing ring 15 is connected to inside oil level indicator 14
Step surface formed sealing.Alternatively of course, the sealing ring 15 can also be made to be connected to the lower end surface of oil level indicator 14 with reality
Now to the sealing inside oil level indicator 14, when squeezing oil level indicator 14 and sealing frock 3, sealing ring 15 is extruded to reach
To sealing effect.
For driving mechanism 10 for pushing down on oil level indicator 14 to be tested, driving mechanism 10 is fixed at top plate
On 11, cylinder or electric pushrod is can be used in driving mechanism 10, is provided on drive rod 101 for pushing oil level indicator 14
Pushing mechanism 4, as described in Figure 2, the pushing mechanism 4 are frame structure, have a mounting plate 41, and mounting plate 41 passes through two fastenings
Nut 6 is fixed on drive rod 101, and two fastening nuts 6 are located at the two sides of mounting plate 41, and pushing mechanism 4 is in drive rod 101
On position can be adjusted by adjusting two fastening nuts 6, to change the movement travel of pushing mechanism 4, before on-test,
Pushing mechanism 4 is located at the top of oil level indicator 14.
Elastomeric element 8 is that sliding panel 2 provides upward support force, when the driving mechanism 10 does not push the oil to be tested
Position indicator 14 when, elastomeric element 8 by sliding panel 2, sealing frock 3 and oil level indicator 14 support in the sink liquid level with
On.
In one embodiment, elastomeric element 8 is extension spring (not shown), and the lower end of extension spring and sliding panel 2 are solid
Fixed connection, the upper end of extension spring are fixedly connected with top plate 11, when original state (when driving mechanism 10 does not apply thrust), are slided
Plate 2 is located on liquid level, and before driving mechanism 10 pushes sliding panel 2 to enter liquid, extension spring needs the pulling force of sliding panel 2
The sealing for ensuring to be formed between oil level indicator 14 and sealing frock 3 can prevent liquid from flowing into the inner cavity of sealing frock 3.
In another embodiment, as shown in Figure 2,4, oil level indicator experimental rig further includes having pull rod 7, pull rod 7
Bottom end is fixedly connected with sliding panel 2, and pull rod 7 is movably through top plate 11；Elastomeric element 8 is to be set in pull rod 7 to be located at top plate
First compressed spring of 11 above sections, the lower end of the first compressed spring are connected to the upper surface of top plate 11, the first compressed spring
Upper end be connected to the adjusting nut 9 being set on pull rod 7, the initial elastic force of the first compressed spring (do not apply by driving mechanism 10
When adding thrust) it can be adjusted by adjusting nut 9.When original state (when driving mechanism 10 does not apply thrust), the first compression
Spring applies upward thrust to pull rod 7, and pull rod 7 pulls sliding panel 2 and sliding panel 2 is located in upper limit position, adjusting nut 9
Position it is lower, the initial tensile force that sliding panel 2 is subject to is bigger.When driving mechanism 10 pushes down on oil level indicator 14, driving machine
Structure 10 can overcome the initial tensile force and oil level indicator 14 is pushed to move downward, which need to ensure that driving mechanism 10 is downward
When pushing oil level indicator 14, the sealing formed between oil level indicator 14 and sealing frock 3 can prevent liquid from flowing into sealing
In the inner cavity of tooling 3.By the way of pull rod 7 and the first compressed spring, the initial drawing that sliding panel 2 is subject to can be conveniently adjusted
Power, and the first compressed spring is always positioned on liquid level, is conducive to the durability and stabilization that keep oil level indicator experimental rig
Property.
In another embodiment, elastomeric element 8 is the second compressed spring (not shown), and the upper end of the second compressed spring is supported
It is connected to the lower surface of sliding panel 2, the lower end of the second compressed spring is connected to pedestal 1 or sink 13, and the second compressed spring can be arranged
On guide post 5, when original state (when driving mechanism 10 does not apply thrust), sliding panel 2 is located on liquid level, pushes away in driving mechanism 10
Dynamic sliding panel 2 enters before liquid, and the second compressed spring need to ensure oil level indicator 14 and sealing frock to the thrust of sliding panel 2
The sealing formed between 3 can prevent liquid from flowing into the inner cavity of sealing frock 3.It should be noted that elastomeric element 8 can also be with
Using the elastic component of other forms, it is not limited to spring.
The test method of oil level indicator experimental rig of the invention mainly comprises the steps that
1, oil level indicator experimental rig is in its natural state as shown in Fig. 2, elastomeric element 8 is incited somebody to action by the compression of adjusting nut 9
Elastic force passes to sliding panel 2 by pull rod 7, it is ensured that sliding panel 2 is in the above position of liquid level (shown position)；
2, oil level indicator 14 is placed on sealing frock 3；
3, the downing switch of driving mechanism 10 is opened, driving mechanism 10 drives table on 4 downlink of pushing mechanism and oil level indicator 14
Downward pressure is passed to oil level indicator 14 by face contact.The upward elastic force that sliding panel 2 provides elastomeric element 8 transmits
To sealing frock 3 and oil level indicator 14, so that certain sealing effect is formed between sealing frock 3 and oil level indicator 14,
When the sealing effect ensures that oil level indicator 14 is into liquid, liquid does not enter in the inner cavity of sealing frock 3；
4, since the downlink strength of cylinder is far longer than the elastic force of elastomeric element 8, driving mechanism 10 is continued traveling downwardly until sliding
Plate 2 is contacted with pedestal 1, and oil level indicator 14 is completely immersed in liquid.The operating pressure of driving mechanism 10 acts on oil level instruction
On sealing ring 15 between device 14 and sealing frock 3, which ensures the compressed air of filling 0.4MPa in sealing frock 3
Without leaking；
5, the air circuit breaker of test compressed gas is opened, test compressed air is filled in the inner cavity of sealing frock 3, observes oil level
Whether indicator 14 bubbles determine whether product sealing effect is good；
6, after the completion of leakage test, test compressed air is closed, and the compressed air of the inner cavity of sealing frock 3 is discharged；
7, the upstream switch of driving mechanism 10 is opened, pushing mechanism 4 moves upwards, and sliding panel 2 is also in the active force of elastomeric element 8
Under move upwards, eventually stop at the position of liquid level or more；
8, oil level indicator 14 is removed from sealing frock 3, completes test.
Oil level indicator experimental rig of the invention avoids test tool and is threadedly coupled with oil level indicator, to prevent
The possible damage of threaded connection and pollution.In addition the external screw thread of existing test tool and oil level indicator connects, and surveys
Compressed gas on probation is located at the inside (inside is when oil level indicator uses towards the side in gear-box) of oil level indicator,
That is the pressure direction of compressed gas is, sheet glass oil level indicator in be under pressure after meeting outside from the inside of oil level indicator
The sealing ring being located on the outside of sheet glass is compressed, the sealed pressure of sheet glass is caused to increase, it is therefore possible to lead to not obtain just
True testing result.And the compressed gas of oil level indicator experimental rig test of the invention is located at the outer of oil level indicator
Side then can avoid above situation, be conducive to the accuracy of test data.
The embodiment of the present invention is described with above attached drawing, in the absence of conflict, the reality in the present invention
The feature applied in example and embodiment can be combined with each other.In addition, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.The invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than limitation, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
Many forms are made, within these are all belonged to the scope of protection of the present invention.
Claims (7)
1. a kind of oil level indicator experimental rig characterized by comprising
Sink (12), the sink (12) is interior to have liquid (13)；
Pedestal (1), the pedestal (1) are located in the sink (12)；
Guide post (5), guide post (5) lower end are fixedly connected with the pedestal (1), and the upper end of the guide post (5) is fixedly installed
Top plate (11)；
Sliding panel (2), the sliding panel (2) can slide up and down along the guide post (5)；
Sealing frock (3), the sealing frock (3) are placed on the sliding panel (2) and have a cylindrical portion (31), the circle
The top of canister portion (31) is provided with the sealing ring for connecting the cylindrical portion (31) and oil level indicator to be tested (14)
(15), the inner cavity of the cylindrical portion (31) is connected with the gas source of test；
For pushing down on the driving mechanism (10) of the oil level indicator to be tested (14), the driving mechanism (10) is fixed
It is arranged on the top plate (11)；And
There is provided the elastomeric element (8) of upward support force for the sliding panel (2), when the driving mechanism (10) do not push it is described to
When oil level indicator (14) of test, the elastomeric element (8) by the sliding panel (2) be supported in sink (12) liquid level with
On.
2. a kind of oil level indicator experimental rig according to claim 1, which is characterized in that the oil level indicator test
Device further includes having pull rod (7), and the bottom end of the pull rod (7) is fixedly connected with the sliding panel (2), and the pull rod (7) can be lived
Pass through the top plate (11) dynamicly；The elastomeric element is set in the pull rod (7) for (8) and is located at the top plate (11) with top
The first compressed spring divided, the lower end of first compressed spring are connected to the upper surface of the top plate (11), first pressure
The upper end of contracting spring is connected to the adjusting nut (9) being set on the pull rod (7).
3. a kind of oil level indicator experimental rig according to claim 1, which is characterized in that the elastomeric element (8) is
Extension spring, the lower end of the extension spring are fixedly connected with the sliding panel (2), the upper end of the extension spring and the top
Plate (11) is fixedly connected.
4. a kind of oil level indicator experimental rig according to claim 1, which is characterized in that the elastomeric element (8) is
Second compressed spring, the upper end of second compressed spring are connected to the lower surface of the sliding panel (2), the second compression bullet
The lower end of spring is connected to pedestal (1) or sink (12).
5. -4 a kind of oil level indicator experimental rig described in any one according to claim 1, which is characterized in that the guide post
(5) there is the locating part for limiting the sliding panel (2) upper limit position on.
6. a kind of oil level indicator experimental rig according to claim 1, which is characterized in that the driving mechanism (10)
It is provided on drive rod (101) pushing mechanism (4), the mounting plate (41) of the pushing mechanism (4) is threaded through the drive rod
(101) on, the mounting plate (41) is arranged at the fastening nut (6) on the drive rod and fixes, and the fastening nut (6) sets
There are two setting, and it is located at the two sides of the mounting plate (41).
7. a kind of test method of oil level indicator, the test method is using the oil level as described in claim 1-6 any one
Indicator test device, mainly includes the following steps:
1), the sliding panel (2) is located at liquid level or more under the support of elastomeric element (8), and the sealing frock (3) is placed in
On the sliding panel (2)；
2), oil level indicator (14) is placed on sealing frock (3), the sliding panel (2) is still located on liquid level or more；
3), the driving mechanism (10) pushes down on the oil level and refers in the case where overcoming the elastomeric element (8) support force
Show device (14), the oil level indicator (14) and the sealing frock (3) are tightly connected by the sealing ring (15), so that institute
When stating oil level indicator (14) into liquid, it is ensured that liquid will not enter in the inner cavity of sealing frock (3)；
4), the oil level indicator (14) and the sealing frock (3) enter together under the promotion of the driving mechanism (10)
In liquid (13), until the sealing frock (3) is connected to the pedestal (1), at this point, oil level indicator (14) is completely immersed in liquid
In body (13)；
5), the thrust of the driving mechanism (10) maintains to seal between oil level indicator (14) and sealing frock (3), it is ensured that sealing
Compressed air of the filling more than or equal to 0.4MPa is without leaking in the inner cavity of tooling (3)；
6) compressed air more than or equal to 0.4MPa, is filled into the inner cavity of the sealing frock (3) by gas source, observes oil level
Whether the sealing effect whether indicator (14) bubbles to determine oil level indicator (14) is good；
7), after the completion of leakage test, the compressed air in the sealing frock (3) is discharged；
8), driving mechanism (10) release is to the thrust of the oil level indicator (14), and the sliding panel (2) is in the elastomeric element
Under the action of move up to the above position of liquid level, terminate experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120338.5A CN109186707B (en) | 2018-09-26 | 2018-09-26 | Oil level indicator test device and test method thereof |
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|---|---|---|---|
| CN201811120338.5A CN109186707B (en) | 2018-09-26 | 2018-09-26 | Oil level indicator test device and test method thereof |
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