CN207600918U - A kind of device of dynamic friction coefficient test - Google Patents
A kind of device of dynamic friction coefficient test Download PDFInfo
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- CN207600918U CN207600918U CN201721796097.7U CN201721796097U CN207600918U CN 207600918 U CN207600918 U CN 207600918U CN 201721796097 U CN201721796097 U CN 201721796097U CN 207600918 U CN207600918 U CN 207600918U
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- friction coefficient
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 6
- 238000002474 experimental method Methods 0.000 description 14
- 229920001296 polysiloxane Polymers 0.000 description 14
- 230000003287 optical effect Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Abstract
The utility model is related to a kind of devices of dynamic friction coefficient test, including fixed frame, workbench, cupping machine and sample, the sample includes fixed part and movable part, fixed frame is equipped with the Yuan Gu mechanisms for fixed part winding, Yuan Gu mechanisms are equipped with and hold down assembly, the advantages of fixed frame is equipped with the counterweight being connect with one end of movable part, and the other end of movable part is connected with cupping machine, the utility model：Fixed part in sample is wrapped in Yuan Gu mechanisms, movable part is pulled to be slided in fixed part by cupping machine, gravity, the fixed part generated by the average tensile load, the counterweight of movable part one end connection that are measured during tension test calculates the dynamic friction coefficient between movable part and fixed part in the angle that Yuan Gu mechanisms are wound, the dynamic friction coefficient between sample can accurately be calculated, working strength is small, and the good reliability of specimen test result, the efficiency of sample testing can be improved.
Description
Technical field
The utility model is related to a kind of devices of dynamic friction coefficient test.
Background technology
Friction coefficient is one of fundamental property of a variety of materials, when have between the object that two contact with each other relative motion or
During relative motion trend, the mechanicals efforts of obstruction relative motion generated in contact surface are exactly frictional force, and existing survey
It is logical in silicone pipes inner wall slip time/dynamic friction coefficient between cable outer surface and silicone pipes inner surface to try optical electrical cable
Artificial detection is crossed, causes detection great work intensity, detection efficiency is low and detects the shortcomings that quality is unstable.
Utility model content
The technical problems to be solved in the utility model is just to provide a kind of device of dynamic friction coefficient test, solves existing
The technical issues of dynamic friction coefficient test job intensity is big.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of dynamic friction
The device of coefficient test, including fixed frame, workbench, cupping machine and sample, the sample includes fixed part and is arranged on
Movable part in fixed part, cupping machine are fixedly connected on the table, and fixed frame is equipped with the circle drum for fixed part winding
Mechanism, Yuan Gu mechanisms are equipped with the portion that is fixed in holding down assembly in Yuan Gu mechanisms, and fixed frame is equipped with one with movable part
The counterweight of connection is held, the other end of movable part is connected with cupping machine.
Preferably, the Yuan Gu mechanisms include fixed plate and circle drum, and the circle drum is fixedly connected on by fixed plate
Determine on frame, and the fixed plate is rectangular, and one group is equipped on the four edges of the fixed plate and is held down assembly.
Preferably, described to hold down assembly including the first screw rod and pressing plate, fixed plate is equipped with the spiral shell for the activity of the first screw rod
Set, pressing plate are fixedly connected on by the first nut on the first screw rod.
Preferably, the fixed frame is equipped with guiding mechanism, and the guiding mechanism is arranged on Yuan Gu mechanisms and tension test
Between machine.
Preferably, the guiding mechanism includes stent and idler wheel part, and the stent is arranged on fixed frame, the idler wheel part
It is arranged on stent.
Preferably, the idler wheel part includes slide mass and idler wheel, and stent is equipped with the regulating part being connected with slide mass, passes through
Regulating part realizes that slide mass slides on stent, and idler wheel is arranged on slide mass.
Preferably, the slide mass includes two pieces of connecting plates being arranged in parallel, and idler wheel is arranged between two pieces of connecting plates, and two
The link block being connected with regulating part is equipped between block connecting plate.
Preferably, the stent is equipped with the linear guide, and connecting plate is equipped with the linear guide being adapted with the linear guide
Set, and the linear guide is equipped with limiting plate.
Preferably, the regulating part includes the second screw rod and handle, and one end of second screw rod passes through after passing through stent
Second nut is fixedly connected on link block, and the handle is arranged on the other end of the second screw rod.
Preferably, the fixed frame is equipped with the storage tray of storage counterweight, and setting mark counterbalance mass on storage tray
Label.
In conclusion the advantages of the utility model：1. the fixed part in sample is wrapped in Yuan Gu mechanisms, pass through stretching
Testing machine pulls movable part to be slided in fixed part, passes through the average tensile load measured during tension test, movable part one end connects
Gravity, the fixed part of counterweight generation connect rubs in the angle that Yuan Gu mechanisms are wound come the dynamic calculated between movable part and fixed part
Coefficient is wiped, can accurately calculate the dynamic friction coefficient between sample, working strength is small, and the reliability of specimen test result
It is good, the efficiency of sample testing can be improved, tension test function accurately calculates the average tensile load of measurement, and can realize work
Dynamic portion can flexibly slide in fixed part；
2. the setting to hold down assembly can prevent sample from generating relative movement with Yuan Gu mechanisms, the reliability of experiment is improved；
3. Yuan Gu mechanisms are arranged to fixed plate and circle rouses, be conducive to the fast and reliable winding of fixed part, fixed plate can be real
Now circle drum is stably fixed on fixed frame, and be respectively provided with one group on the four edges of fixed plate and hold down assembly, and can improve fixation
Compression effect of the portion on circle drum；
4. will hold down assembly it is arranged to the first screw rod and pressing plate, pressing plate pair is realized in activity on swivel nut by the first screw rod
The compression of fixed part, and pressing plate can improve the contact area with fixed part, it is steady in Yuan Gu mechanisms so as to improve fixed part
It is qualitative, it avoids producing relative sliding between fixed part and Yuan Gu mechanisms, improves the accuracy of experiment；
5. the setting of guiding mechanism, sample can be slided smoothly when can realize experiment, the accuracy of experiment can be improved, is improved
The efficiency of experiment；
6. guiding mechanism is arranged to stent and idler wheel part, stent can realize that guiding mechanism is quickly mounted on fixed frame
On, idler wheel part adapts to the reliable slip of sample；
7. idler wheel part is arranged to slide mass and idler wheel, idler wheel can realize that the guiding of sample is slided, and pass through regulating part reality
Existing slide mass slides on stent, adapts to the sample of different model, practical performance is good；
8. slide mass is arranged to two pieces of connecting plates being arranged in parallel, the Fast Installation of idler wheel can be realized, it can be according to difference
The sample of model sets different idler wheels, and the setting of link block, can realize the promotion of regulating part, improves and is connect with regulating part
Contacting surface is accumulated, and is conducive to slide mass and is smoothly slided on stent；
It is slided 9. being sleeved in the linear guide by the linear guide, can guarantee slide mass straightness movable on stent, energy
Realize that stablizing for sample is oriented to, and the setting of limiting plate, the activity displacement of the effective limit slippage body of energy；
10. link block is pushed by activity of second screw rod on stent, it is simple in structure, it is easy for assemble or unload, and the
Stability when two screw rods are adjusted, avoids the inclination of the second screw rod, and the setting of handle, is conducive to operating personnel's operation；
11. setting storage tray on fixed frame, the unified storage processing of counterweight can be realized, avoid the loss of counterweight, mark
The setting of board can quickly realize the lookup of counterweight needed for test, improve the efficiency of experiment, and can fast and accurately calculate counterweight
The gravity of generation improves the accuracy of experiment.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure diagram of the device of dynamic friction coefficient test of the utility model；
Fig. 2 is the structure diagram of the utility model Yuan Gu mechanisms；
Fig. 3 is the structure diagram of the utility model guiding mechanism.
Reference numeral：
1 fixed frame, 11 storage trays, 12 labels, 2 workbench, 3 cupping machines, 4 samples, 41 fixed parts, 42 movable parts, 5
Yuan Gu mechanisms, 51 fixed plates, 52 circle drums, 53 swivel nuts, 6 hold down assembly, 61 first screw rods, 62 pressing plates, 63 first nuts, 7 counterweights,
8 guiding mechanisms, 81 stents, 82 idler wheel parts, 83 slide masses, 84 idler wheels, 85 connecting plates, 86 link blocks, 87 the linear guides, 88 straight lines
Guide rail sleeve, 89 limiting plates, 9 regulating parts, 91 second screw rods, 92 handles, 93 second nuts
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of device of dynamic friction coefficient test, including fixed frame 1, workbench 2, stretches
Testing machine 3 and sample 4, the sample 4 include fixed part 41 and the movable part 42 being arranged in fixed part 41, cupping machine 3
It is fixedly connected on workbench 2, and one end of fixed frame 1 is also secured on workbench, whole structure can be optimized, reduce device
Floor space, fixed frame 1 be equipped with for fixed part 41 wind Yuan Gu mechanisms 5, Yuan Gu mechanisms 5 be equipped be fixed portion 41
In holding down assembly 6 in Yuan Gu mechanisms 5, fixed frame 1 is equipped with the counterweight 7 being connect with one end of movable part 42, movable part 42
The other end is connected with cupping machine 3, in the present embodiment on the other end of movable part 42 be equipped with collet, collet by cotton rope with
Cupping machine 3 is connected, and fixed part 41 is silicone pipes in the present embodiment, and the length of silicone pipes is 4m, and movable part 42 is straight
Diameter is the optical electrical cable of 13~17mm, and the length of optical electrical cable is 6m, and the outer surface of silicone pipes inner surface and optical electrical cable is unlimited
Silicone pipes during experiment, are wrapped in Yuan Gu mechanisms 5, and pass through 6 compressions that hold down assembly by the defects of optical electrical cable processed slides first
Prevent silicone pipes and the Yuan Gu mechanisms 5 from generating relative movement, and winding angle of the silicone pipes in Yuan Gu mechanisms 5 for 360 ° or
450 °, then optical electrical cable is put into silicone pipes, then counterweight 7 is fixed on to one end of optical electrical cable, the other end of optical electrical cable
Upper installation connecting clip, connecting clip are connected by cotton rope with cupping machine 3, then open cupping machine 3, and set drawing
The speed for stretching testing machine 3 is 100mm/min, is off stretching when counterweight 7 just leaves ground, is then adjusted in Yuan Gu mechanisms 5
Silicone pipes, make optical electrical cable among silicone pipes, be then turned on the stretching run of cupping machine 3, tensile speed 100mm/
Min stops traction when the crosshead displacement of cupping machine 3 is to 100mm~120mm, then falls the horizontal stroke of cupping machine 3
Beam is again turned on the stretching run of cupping machine 3, and so on carries out twice, optical electrical cable being made to come into full contact with silicone pipes,
Then counterweight 7 is fallen, ensures 3 no-load of cupping machine, by the force value of cupping machine 3 and displacement back to zero, finally opens and draws
The stretching run of testing machine 3 is stretched, carries out formal test, the tensile speed of cupping machine 3 is 100mm/min, works as tension test
The crosshead displacement of machine 3 reads on the displacement section of 100mm~160mm to traction is stopped during 200mm and calculates tension test
Average tensile load F, the dynamic friction coefficient of silicone pipes is then calculated according to μ=㏑ (F/G)/θ, wherein：μ rubs for dynamic
Coefficient is wiped, F is average tensile load, and unit N, G are the gravity that counterweight 7 generates, and 7 mass of G=counterweights × acceleration of gravity are single
Position is N, and θ is winding angle of the silicone pipes in Yuan Gu mechanisms 5, and last time experiment carries out three times, taking the arithmetic of result of the test three times
Average value is dynamic friction coefficient.
The Yuan Gu mechanisms 5 include fixed plate 51 and circle drum 52, and the present embodiment preferentially uses the circle of a diameter of 76cm
Drum 52, the round drum 52 are fixedly connected on by fixed plate 51 on fixed frame 1, and the fixed plate 51 is rectangular, the fixation
One group is equipped on the four edges of plate 51 and holds down assembly 6, is conducive to the fast and reliable winding of fixed part, fixed plate can realize round drum
It is stably fixed on fixed frame 1, and is respectively provided on the four edges of fixed plate one group and holds down assembly 6, fixed part can be improved and existed
Compression effect on circle drum, described hold down assembly 6 include the first screw rod 61 and pressing plate 62, and fixed plate 51 is equipped with for the first screw rod
The swivel nut 53 of 61 activities, pressing plate 62 is fixedly connected on by the first nut 63 on the first screw rod 61, by the first screw rod in swivel nut
Upper activity realizes compression of the pressing plate to fixed part, and pressing plate can improve the contact area with fixed part, so as to improve fixation
Stability of the portion in Yuan Gu mechanisms 5 avoids producing relative sliding between fixed part and Yuan Gu mechanisms 5, improves the accurate of experiment
Degree.
The fixed frame 1 is equipped with guiding mechanism 8, and the guiding mechanism 8 is arranged on Yuan Gu mechanisms 5 and cupping machine 3
Between, movable part 4 can be slided smoothly when can realize experiment, can be improved the accuracy of experiment, be improved the efficiency of experiment, described to lead
Include stent 81 and idler wheel part 82 to mechanism 8, the stent 81 is arranged on fixed frame 1, and the idler wheel part 82 is arranged on stent
On 81, stent 81 can realize that guiding mechanism 8 is quickly mounted on fixed frame 1, and idler wheel part 82 adapts to the reliable cunning of movable part
Dynamic, the idler wheel part 82 includes slide mass 83 and idler wheel 84, and stent 81 is equipped with the regulating part 9 being connected with slide mass, passes through tune
Section part 9 realizes that slide mass slides on stent 81, and idler wheel is arranged on slide mass, and idler wheel can realize that the guiding of movable part is slided,
And realize that slide mass slides on stent 81 by regulating part, the movable part of different model is adapted to, practical performance is good.
In addition, the slide mass 83 includes two pieces of connecting plates 85 being arranged in parallel, idler wheel 84 is arranged on two pieces of connecting plates 85
Between, the link block 86 being connected with regulating part 9 is equipped between two pieces of connecting plates 85, two pieces of connecting plates being arranged in parallel can realize rolling
The Fast Installation of wheel can set different idler wheels, and the setting of link block according to the movable part of different model, can realize regulating part
Promotion, improve the contact area with regulating part, be conducive to slide mass and smoothly slided on stent 81, on the stent 81
Equipped with the linear guide 87, connecting plate is equipped with the linear guide set 88 being adapted with the linear guide, and the linear guide 87 is equipped with
Limiting plate 89 during adjusting, is sleeved in the linear guide by the linear guide and slided, can guarantee that slide mass is movable on stent 81
Straightness can realize that stablizing for movable part is oriented to, and pass through the activity displacement of the effective limit slippage body of limiting plate, the adjusting
Part 9 includes the second screw rod 91 and handle 92, and one end of second screw rod 91 is fixed after passing through stent 81 by the second nut 93
It is connected on link block 86, the handle 92 is arranged on the other end of the second screw rod 91, by the second screw rod on stent 81
Activity pushes link block, simple in structure, easy for assemble or unload, and stability when the second screw rod is adjusted, and avoids the second screw rod
Inclination, and the setting of handle is conducive to operating personnel's operation.
Finally, the fixed frame 1 is equipped with the storage tray 11 of storage counterweight 7, and setting mark 7 matter of counterweight on storage tray 11
The label 12 of amount can realize the unified storage processing of counterweight 7, avoid the loss of counterweight 7, and the setting of label can be realized quickly
The lookup of counterweight 7 needed for test improves the efficiency of experiment, and can fast and accurately calculate the gravity of the generation of counterweight 7, improves examination
The accuracy tested.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Range defined in appended claims.
Claims (10)
1. a kind of device of dynamic friction coefficient test, it is characterised in that：Including fixed frame, workbench, cupping machine and examination
Sample, the sample include fixed part and the movable part being arranged in fixed part, and cupping machine is fixedly connected on the table, Gu
Determine frame and be equipped with the Yuan Gu mechanisms wound for fixed part, Yuan Gu mechanisms are equipped with and are fixed portion in the compression group in Yuan Gu mechanisms
Part, fixed frame are equipped with the counterweight being connect with one end of movable part, and the other end of movable part is connected with cupping machine.
2. a kind of device of dynamic friction coefficient test according to claim 1, it is characterised in that：Yuan Gu mechanisms packet
Include fixed plate and circle drum, it is described circle drum is fixedly connected on fixed frame by fixed plate, and the fixed plate be it is rectangular, it is described
One group is equipped on the four edges of fixed plate to hold down assembly.
3. a kind of device of dynamic friction coefficient test according to claim 2, it is characterised in that：The packet that holds down assembly
The first screw rod and pressing plate are included, fixed plate is equipped with the swivel nut for the activity of the first screw rod, and pressing plate is fixedly connected on by the first nut
On first screw rod.
4. a kind of device of dynamic friction coefficient test according to claim 1, it is characterised in that：It is set on the fixed frame
There is guiding mechanism, the guiding mechanism is arranged between Yuan Gu mechanisms and cupping machine.
5. a kind of device of dynamic friction coefficient test according to claim 4, it is characterised in that：The guiding mechanism packet
Stent and idler wheel part are included, the stent is arranged on fixed frame, and the idler wheel part is arranged on stent.
6. a kind of device of dynamic friction coefficient test according to claim 5, it is characterised in that：The idler wheel part includes
Slide mass and idler wheel, stent are equipped with the regulating part being connected with slide mass, realize that slide mass slides on stent by regulating part,
Idler wheel is arranged on slide mass.
7. a kind of device of dynamic friction coefficient test according to claim 6, it is characterised in that：The slide mass includes
Two pieces of connecting plates being arranged in parallel, idler wheel are arranged between two pieces of connecting plates, are equipped between two pieces of connecting plates and are connected with regulating part
Link block.
8. a kind of device of dynamic friction coefficient test according to claim 7, it is characterised in that：The stent is equipped with
The linear guide, connecting plate is equipped with the linear guide set being adapted with the linear guide, and the linear guide is equipped with limiting plate.
9. a kind of device of dynamic friction coefficient test according to claim 7, it is characterised in that：The regulating part includes
Second screw rod and handle, one end of second screw rod are fixedly connected on by the second nut on link block after passing through stent, institute
State the other end that handle is arranged on the second screw rod.
10. a kind of device of dynamic friction coefficient test according to claim 1, it is characterised in that：On the fixed frame
Storage tray equipped with storage counterweight, and setting identifies the label of counterbalance mass on storage tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721796097.7U CN207600918U (en) | 2017-12-20 | 2017-12-20 | A kind of device of dynamic friction coefficient test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721796097.7U CN207600918U (en) | 2017-12-20 | 2017-12-20 | A kind of device of dynamic friction coefficient test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600918U true CN207600918U (en) | 2018-07-10 |
Family
ID=62766335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721796097.7U Active CN207600918U (en) | 2017-12-20 | 2017-12-20 | A kind of device of dynamic friction coefficient test |
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| Country | Link |
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| CN (1) | CN207600918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120669A (en) * | 2017-12-20 | 2018-06-05 | 浙江华电器材检测研究所有限公司 | A kind of device of dynamic friction coefficient test |
| CN109932312A (en) * | 2018-07-19 | 2019-06-25 | 中国石油大学(华东) | Pipeline cleaner seal rubber disk testing device for friction coefficient and test method |
-
2017
- 2017-12-20 CN CN201721796097.7U patent/CN207600918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120669A (en) * | 2017-12-20 | 2018-06-05 | 浙江华电器材检测研究所有限公司 | A kind of device of dynamic friction coefficient test |
| CN109932312A (en) * | 2018-07-19 | 2019-06-25 | 中国石油大学(华东) | Pipeline cleaner seal rubber disk testing device for friction coefficient and test method |
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