CN206990141U - A kind of oil seal radical force test device - Google Patents
A kind of oil seal radical force test device Download PDFInfo
- Publication number
- CN206990141U CN206990141U CN201720965652.8U CN201720965652U CN206990141U CN 206990141 U CN206990141 U CN 206990141U CN 201720965652 U CN201720965652 U CN 201720965652U CN 206990141 U CN206990141 U CN 206990141U
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- China
- Prior art keywords
- fixed
- semiaxis
- mobile
- test axle
- test
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of oil seal radical force test device, fixed force snesor, the first displacement transducer on its fixation semiaxis, fixed second displacement sensor on mobile sliding block；The fixed fixed fixed test axle in semiaxis upper surface center, the mobile fixed mobile test axle in semiaxis upper surface center, the respective section with semicircle and respective string is parallel forms the variable test axle of diameter of fixed test axle and mobile test axle, tested oil sealing can be inserted on test axle；A diameter of tested oil sealing nominal diameter of test axle original state subtracts 1mm.Compared with prior art, the oil seal radical force that the utility model obtains is closer to its actual radial load.
Description
Technical field
A kind of detection means is the utility model is related to, specifically a kind of oil seal radical force test device.
Background technology
The method of test oil seal radical force at present, it is substantially all tested oil sealing on test axle, and tests axle
It is to be separately fixed on two semiaxis, one of semiaxis is fixed, the movable sensor of another semiaxis, is installed on fixed semiaxis
One force snesor, the core parts of the sensor are foil gauges, and force value is converted into according to the foil gauge deflection measured, so as to
Draw the radial load of oil sealing.
But because when tested oil sealing is installed on test axle, testing the physical dimension of axle will occur
Change, diameter can diminish.For example the nominal diameter of test axle is φ 15.4mm, after loading onto oil sealing, testing the diameter of axle will become
Into φ 15.28mm, radial direction enclasping force is bigger, and the change in size for testing axle is also bigger.What we to be tested is test axle deformation institute
The radial load of the tested oil sealing characterized, the test axle deformation for being less than nominal dimension actually tested are characterized tested
The radial load of oil sealing.Investigated according to applicant, being substantially for home and abroad is tested by above-mentioned method of testing at present, therefore
The result drawn is not oil seal radical force under nominal dimension.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, discloses a kind of oil seal radical force test device, to
Real oil seal radical force is obtained, is adopted the technical scheme that for this utility model：
A kind of oil seal radical force test device, the fixed fixed semiaxis 2 of left end, the fixed servomotor of right-hand member of the frame 1
3, the fixed leading screw 4 of motor shaft of the servomotor 3, spin on the leading screw 4 mobile sliding block 5, the mobile sliding block 5 also with institute
State that frame 1 is slided and affixed mobile semiaxis 6, the mobile semiaxis 6 are relative with the fixed gap of semiaxis 2；It is characterized in that：Institute
State fixed force snesor 7 on fixed semiaxis 2, the first displacement transducer 71, fixed second displacement sensor on the mobile sliding block 5
72；The fixed fixed test axle 21 in the upper surface center of fixed semiaxis 2, the fixed mobile survey in the mobile upper surface center of semiaxis 6
Try axle 61, the fixed test axle 21 each has the section of semicircle and the parallel formation diameter of respective string with mobile test axle 61
Variable test axle 26, described test on axle 26 can be inserted in tested oil sealing；The test device also includes processor, input is set
Standby, output equipment, the output equipment include the display of display human-computer interaction interface, and the input equipment includes believing control
Breath is sent into keyboard, the mouse of the processor, and the processor receives first displacement transducer 71 and the second displacement
The displacement transducer information of the transmission of sensor 72, the control information of operator's input, counted according to default operation program
Calculate and show result by the display, operating, the instruction for stopping and turning to are sent to the servomotor 3；The survey
A diameter of tested oil sealing nominal diameter of the examination original state of axle 26 subtracts 1mm.
Further, first displacement transducer 71 and the second displacement sensor 72 sense for magnetostrictive displacement
Device.
Compared with prior art, the oil seal radical force that the utility model obtains is the radial load under its nominal dimension, is more connect
Its nearly actual radial load.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model test device.
Embodiment
Specific embodiment of the present utility model is done below by the form with reference to accompanying drawing further detailed
Illustrate, but what following examples only enumerated is more preferably embodiment, and it only plays a part of explanation to help to understand this
Utility model, the restriction made to the utility model can not be not understood as.
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and can not
It is interpreted as to limitation of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more, is limited unless otherwise clear and definite.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
A kind of oil seal radical force test device includes frame 1, and the fixed fixed semiaxis 2 of left end, the right-hand member of the frame 1 are fixed
Servomotor 3, the fixed leading screw 4 of motor shaft of the servomotor 3, spin on the leading screw 4 mobile sliding block 5, described mobile sliding
Block 5 is also slided with the frame 1 and affixed mobile semiaxis 6, and the mobile semiaxis 6 is relative with the fixed gap of semiaxis 2；It is described
Fixed force snesor 7, the first displacement transducer 71 on fixed semiaxis 2, fixed second displacement sensor on the mobile sliding block 5
72；The fixed fixed test axle 21 in the upper surface center of fixed semiaxis 2, the fixed mobile survey in the mobile upper surface center of semiaxis 6
Try axle 61, the fixed test axle 21 each has the section of semicircle and the parallel formation diameter of respective string with mobile test axle 61
Variable test axle 26, described test on axle 26 can be inserted in tested oil sealing；The nominal diameter of the tested oil sealing is 9mm；
The test device also includes processor, input equipment, output equipment, and the output equipment includes display human-computer interaction interface
Display, the input equipment include for control information being sent into keyboard, the mouse of the processor, described in the processor receives
The displacement transducer information of the transmission of first displacement transducer 71 and the second displacement sensor 72, the control of operator's input
Information, calculated according to default operation program and shown result by the display, the servomotor 3 is sent
Operating, the instruction for stopping and turning to；A diameter of 8mm of the test original state of axle 26.
Test process is：The servomotor 3 is controlled to rotate the mobile semiaxis 6 to the right by input unit first
It is all 9mm that mobile 1mm, which makes the size of the test axle identical with the nominal dimension of tested oil sealing,；Then, by tested oil sealing
It is attached on the test axle 26, the fixed semiaxis 2 deforms in the presence of tested oil sealing enclasping force, the sensor
The displacement for the fixed semiaxis 2 measured is transferred to the processor by the first displacement transducer 71；Pass through input unit
The servomotor 3 is controlled to rotate so that the mobile semiaxis 6 continues to move right, first displacement transducer of sensor 71
The deflection of the fixed semiaxis 2 is measured in real time and real-time Transmission is to the processor；The second displacement sensor 72 is real-time
Measure the displacement of the mobile semiaxis 6 and real-time Transmission is to the processor；When the real-time displacement amount of the mobile semiaxis 6 subtracts
When going the realtime deformation of the fixed semiaxis 2 to be just equal to 1mm, the real-time displacement amount of the mobile semiaxis 6 of now display display
For 1.04mm, the maximum radial force that force snesor measures is 9.72N；The processor controls the servomotor 3 to stop immediately
Rotate and kept for 5 second retention time, now the display show, according to default operation program by the fixed semiaxis 2
The average value 6.9N of radial load that is converted into of force sensor measuring value be tested oil sealing radial load.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as not departing from the utility model to limitation of the present utility model, one of ordinary skill in the art
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification, simple combination change is carried out to it and is all classified as within protection of the present utility model.
Claims (2)
1. a kind of oil seal radical force test device, including frame（1）, the frame（1）The fixed fixed semiaxis of left end（2）, it is right
Hold fixed servomotor（3）, the servomotor（3）The fixed leading screw of motor shaft（4）, the leading screw（4）On spin mobile cunning
Block（5）, the mobile sliding block（5）Also with the frame（1）Slip and affixed mobile semiaxis（6）, the mobile semiaxis（6）With institute
State fixed semiaxis（2）Gap is relative；It is characterized in that：The fixed semiaxis（2）Upper fixed force snesor（7）, the first displacement pass
Sensor（71）, the mobile sliding block（5）Upper fixed second displacement sensor（72）；The fixed semiaxis（2）Upper surface center is consolidated
If fixed test axle（21）, the mobile semiaxis（6）The fixed mobile test axle in upper surface center（61）, the fixed test axle
（21）With mobile test axle（61）Each section with semicircle and respective string is parallel forms the variable test axle of diameter（26）,
The test axle（26）On can be inserted in tested oil sealing；The test device also includes processor, input equipment, output equipment,
The output equipment includes the display of display human-computer interaction interface, and the input equipment includes control information being sent into the place
Keyboard, the mouse of device are managed, the processor receives first displacement transducer（71）With the second displacement sensor（72）
Transmission displacement information, operator input control information, calculated according to default operation program and passed through result
The display is shown, to the servomotor（3）Send operating, the instruction for stopping and turning to；The test axle（26）Initially
A diameter of tested oil sealing nominal diameter of state subtracts 1mm.
A kind of 2. oil seal radical force test device according to claim 1, it is characterised in that：First displacement transducer
（71）With the second displacement sensor（72）For magnetostrictive displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965652.8U CN206990141U (en) | 2017-08-04 | 2017-08-04 | A kind of oil seal radical force test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720965652.8U CN206990141U (en) | 2017-08-04 | 2017-08-04 | A kind of oil seal radical force test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990141U true CN206990141U (en) | 2018-02-09 |
Family
ID=61418576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720965652.8U Expired - Fee Related CN206990141U (en) | 2017-08-04 | 2017-08-04 | A kind of oil seal radical force test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206990141U (en) |
-
2017
- 2017-08-04 CN CN201720965652.8U patent/CN206990141U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |