CN107907479A - The automatic friction coefficient instrument for placing sliding block, system and method - Google Patents
The automatic friction coefficient instrument for placing sliding block, system and method Download PDFInfo
- Publication number
- CN107907479A CN107907479A CN201711424263.5A CN201711424263A CN107907479A CN 107907479 A CN107907479 A CN 107907479A CN 201711424263 A CN201711424263 A CN 201711424263A CN 107907479 A CN107907479 A CN 107907479A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- friction coefficient
- automatic
- placing
- lifting gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Abstract
The invention discloses the automatic friction coefficient instrument for placing sliding block, system and method, including the first moving component, first moving component includes lifting gear, the lifting gear is connected with support member, the lifting gear movement then drives the movement for the support member for being placed with sliding block, realizes and the automatic of sliding block is placed.The present invention can ensure sliding block time of repose accurate timing, and sliding block is put down gently, does not interfere initial testing force value and ensures that placement location is consistent, test data is reproducible, and measuring accuracy is high.
Description
Technical field
The present invention relates to diaphragm material technical field, more particularly to the automatic friction coefficient instrument for placing sliding block, system and
Method.
Background technology
Smoothness on diaphragm material is tested, and existing test mode is：Allow two samples are opposite under a certain pressure to move
Dynamic, generation friction, two samples are separately fixed at experiment table top and slider bottom, and two samples relatively move under a certain pressure to rub
Wipe.Before test, the time of sliding block pressing sample determines the laminating degree of two samples, influences initial frictional.Real using sliding block
During now practical operation to the PVvalue testing of diaphragm material, existing main problem is：Sliding block is placed manually, is often led to
Test data poor repeatability, the test data of friction coefficient are inaccurate.
It is specific as follows that technical problem existing for sliding block is placed manually：
1st, the sliding block with sample being put on another sample manually, starts timing, this clocking method error is very big,
Even there is testing crew first to place, adjust sliding block, then test of starting shooting, equipment just start timing, actual time of repose surpasses already
Cross equipment timing time.The timing error of quiescent time is very big, causes same sample, and the initial frictional difference measured is very
Greatly, data redundancy is very poor, and testing result is very inaccurate.
2nd, in addition, placing sliding block manually, when sliding block is with experiment deck contact, hand can give sliding block extra pressure, cause to try
It is different that degree is pressed between sample；It is lack of standardization that the action of sliding block is placed manually, is easily scraped sample, is destroyed the coarse of specimen surface script
Degree, causes testing result inaccurate.
3rd, sliding block position inaccurate is manually placed, when starting friction testing, is easy to cause sliding block rotation or slight adjustment side
To causing test data inaccurate.
4th, slider bottom fixes sample, the fixture of also fixed sample.General mechanical grip mode captures placement sliding block
When, sliding block additional force is often given, or even the specimen holder on sample and sliding block is touched, scrape sample.Also or during release slider,
Sliding block falling speed is very fast, pounds on experiment table top, causes sample laminate pressure excessive, influence test result.
In conclusion how to realize sliding block time of repose accurate timing in the prior art, sliding block is put down gently, is not interfered initially
Test force value and ensure that placement location is consistent, do not cause the problem of data redundancy is poor, and measuring accuracy is low, still lack effective solution
Certainly scheme.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides the automatic friction coefficient instrument for placing sliding block, the instrument energy
Enough realize places the automatic of sliding block, and sliding block time of repose accurate timing, puts down sliding block gently, do not interfere initial testing force value and guarantor
Card placement location is consistent, and test data is reproducible, and measuring accuracy is high.
The automatic friction coefficient instrument for placing sliding block, including the first moving component, first moving component include lifting and fill
Put, the lifting gear is connected with support member, and the lifting gear movement then drives the supporting part for being supported by sliding block
The movement of part；
The sample that support member whereabouts certain distance and not contacting is fixed on platform, which is realized, to be fixed on sliding block
Sample and after being fixed on the sample contacts on platform, the sliding block and support member disengage, and sliding block places completion automatically.
Further, the support member is U-shaped fork, and straight pin is provided with two parallel sides of the sliding block,
For sliding block to be placed into U-shaped fork.
Further, the automatic friction coefficient instrument for placing sliding block further includes the second moving component, second movement
Component includes draw-gear, and the draw-gear drives slide block movement, realization pair after the pressing for realizing two samples is placed in sliding block
The PVvalue testing of sample.
Further, the support member is manipulator, and the manipulator is realized to sliding block under the drive of lifting gear
The crawl of three dimensions, place.
Further, two sample includes the second examination for being arranged on the first sample of slider bottom and being placed on platform
Sample, the platform opposing slider moves horizontally after the two samples pressing, realizes the PVvalue testing to sample.
Further, the support member is supporting plate, is equipped with some columns above the supporting plate, supporting plate is located under platform
It is square, the hole of column is provided through on platform, the sliding block is placed on through on the column of platform.
Further, the lifting gear includes motor and electric pushrod, and the electric pushrod other end is fixed with U-shaped
Fork.
Further, the lifting gear is cylinder, electric cylinders or hydraulic cylinder.
Further, the draw-gear includes traction electric machine and the synchronous belt being attached thereto, the traction electric machine pass through
Synchronous belt drives sensor and sliding block to move horizontally successively.
Further, after the sliding block is placed into platform, it is connected to by pin on sensor.
The invention also discloses the automatic friction coefficient system for placing sliding block, including above-mentioned friction coefficient instrument and control system
System, the control system realize the motion control to first moving component and the second moving component.
The automatic method for placing sliding block, including：
Sample is fixed on platform, another piece of sample is fixed to slider bottom；
During open antiskid abrasiveness layer, the sliding block for installing sample is positioned over support member, when starting test, support member is filled in lifting
Setting in motion under the drive put, after moving to precalculated position, two samples contact with each other, and support member is separated with sliding block, and sliding block is put
Put completion.
The automatic friction coefficient testing method for placing sliding block, including the above-mentioned automatic method for placing sliding block, further include：
After the completion of sliding block is placed, start timing, into standing program, after the time of repose of setting is reached, draw-gear
Starting and moved horizontally with movable slider on platform or platform opposing slider moves horizontally, sensor pulls slide block movement,
And test the frictional force of two samples.
The above-mentioned automatic friction coefficient instrument for placing sliding block or system are realizing the PVvalue testing to diaphragm material.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention, which can realize, places the automatic of sliding block, it is ensured that when being placed every time to sliding block, time of repose is consistent, surveys
It is good to try data redundancy.
2nd, the present invention, which can realize, places the automatic of sliding block, and prosthetic, which is placed, gives sliding block excessive force, avoids scraping and wipes
Sample, keeps the original roughness of sample, and test data is more accurate, improves equipment accuracy of detection.
3rd, the present invention, which can realize, places the automatic of sliding block, ensures that sliding block placement location is consistent, sliding block when avoiding testing
Rotation etc., test result is more accurate.
4th, the present invention is cleverly engaged using the straight pin on U-shaped fork and sliding block, realizes U-shaped fork support by sliding block, nature
Gently fall within platform, and the specimen holder and sample that do not touch on sliding block do not interfere initial testing force value.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are used to explain the application, do not form the improper restriction to the application.
Fig. 1 is the front view of specific embodiment of the invention；
Fig. 2 is the top view of specific embodiment of the invention；
Fig. 3 is the schematic three dimensional views of another specific embodiment of the present invention；
In figure, 1. sensors, 2. pins, 3. sliding blocks, 4.U types fork, 5. electric cylinders bars, 6. electric cylinders, 7. draw-gears, 8. is convex
Platform, 9. straight pins, 10. friction test platforms, 11. columns.
Embodiment
It is noted that described further below is all illustrative, it is intended to provides further instruction to the application.It is unless another
Indicate, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, exist in the prior art and place sliding block manually and realize two samples under a certain pressure
The problem of relative movement causes the data redundancy of realization poor, in order to solve technical problem as above, present applicant proposes automatic
Place the friction coefficient instrument of sliding block.
Embodiment 1
As shown in Figs. 1-2, there is provided the automatic friction coefficient instrument for placing sliding block, including draw-gear 7, lifting gear, rub
Wipe testing stand 10, U-shaped fork and sliding block 3.Draw-gear 7 moves horizontally, and friction test platform 10 is static.U-shaped fork 4 is fixed on lifting
On device and positioned at the top of friction test platform 10.Lifting gear is electronic, such as screw mechanism.Being supported for sliding block 3 is a little non-slip
The bottom of block 3, but the straight pin 9 of 3 two sides of sliding block.(not contacting the sample on platform) is solid after 4 whereabouts certain distances of U-shaped fork
Due to the sample on sliding block 3 and the sample contacts being fixed on friction test platform 10, and sliding block 3 and U-shaped fork 4 disengage.
In practical applications, the position of lifting gear is not specifically limited, and lifting gear can be located above platform or flat
Below platform or on platform.
The lifting gear includes motor and electric pushrod, and the electric pushrod other end is fixed with U-shaped fork.
Embodiment 2
Lifting gear is motor or cylinder or electric cylinders 6 or hydraulic cylinder etc., and electric cylinders 6 are connected with electric cylinders bar 5, remaining structure and reality
It is identical to apply example 1.
Embodiment 3
Draw-gear is stood, and friction test platform 10 moves.Remaining structure is same as Example 1.
Above-mentioned draw-gear 7 includes motor, synchronous belt, and the motor drives sensor 1, sliding block 3 by synchronous belt successively
Move horizontally.Sensor is connected on boss 8 by pin 2, and boss 8 is arranged on the top of sliding block 3.
Embodiment 4
Draw-gear 7 is stood, and friction test platform 10 moves.Remaining structure is same as Example 2.
Embodiment 5
As shown in figure 3, change U-shaped fork into supporting plate.Some columns 11 are equipped with above supporting plate, supporting plate is located at friction test platform 10
Lower section, column exposes certain altitude through the hole on friction test platform 10 during use.Sliding block 3 is cunning by the supporting point of column 11
The position that block periphery is not covered by sample.Sliding block 3 is placed on column or is manually placed on column 11 by lifting gear, support
The movement of plate can utilize the movement of lifting gear to realize.
Embodiment 6
As shown in Fig. 2, change U-shaped fork into supporting plate.Some columns 11 are equipped with above supporting plate, supporting plate is located at friction test platform 10
Lower section, column exposes certain altitude through the hole on friction test platform 10 during use.Sliding block 3 is sliding block by the supporting point of column
The position that periphery is not covered by sample.Remaining structure is same as Example 2.
Embodiment 7
As shown in Fig. 2, change U-shaped fork into supporting plate.Some columns 11 are equipped with above supporting plate, supporting plate is located at friction test platform 10
Lower section, column exposes certain altitude through the hole on friction test platform 10 during use.Sliding block 3 is sliding block by the supporting point of column
The position that periphery is not covered by sample.Remaining structure is same as Example 3.
Embodiment 8
As shown in Fig. 2, change U-shaped fork into supporting plate.Some columns 11 are equipped with above supporting plate, supporting plate is located at friction test platform 10
Lower section, column exposes certain altitude through the hole on friction test platform 10 during use.Sliding block 3 is sliding block by the supporting point of column
The position that periphery is not covered by sample.Remaining structure is same as Example 4.
Embodiment 9
Above-mentioned 3 two parallel surfaces of sliding block are equipped with straight pin 9, snap on U-shaped fork 4, sliding block 3 is placed into friction test platform 10
Afterwards, it is connected to by pin 2 on sensor.
Sliding block 3 is both placed on the same position of U-shaped fork 4 to realize, is offered and cylinder on U-shaped fork 4 every time
9 matched groove of pin, realizes the fixation to 3 position of sliding block；
Or, during sliding block placement, observation sliding block pin 2 and the position of sensor connecting hole coordinate.Remaining structure and embodiment 1
It is identical.
Embodiment 10
Change U-shaped fork into manipulator, manipulator under the drive of lifting gear, realize crawl to sliding block three dimensions,
Place.Remaining structure is same as Example 1.
Embodiment 11
The automatic friction coefficient system for placing sliding block, which includes control system, using control system to above-mentioned implementation
Any automatic friction coefficient instrument for placing sliding block is controlled in example 1-10, implement to lifting gear and draw-gear or
The detection and control of the movement of person's friction test platform 10.
Above-mentioned control system is consistent in order to realize the location and time placed every time during the automatic placement to sliding block, is controlling
Corresponding location parameter and time parameter are set in device in advance.
Embodiment 12
The application method of the automatic friction coefficient instrument for placing sliding block：Sample is fixed on friction test platform 10, another piece
Sample is fixed to slider bottom, and during open antiskid abrasiveness layer, U-shaped fork is in raised configuration, and the sliding block for installing sample is positioned over U-shaped fork
On, the straight pin of sliding block is snapped on U-shaped fork, and when starting test, U-shaped fork is begun to decline under the drive of lifting gear.Drop to
Behind precalculated position, two samples contact with each other, and (U-shaped fork does not contact the sample on platform) is fallen on below straight pin under U-shaped fork is pico-,
Sliding block departs from U-shaped fork, and sliding block, which is placed, to be completed, and starts simultaneously at timing, into program is stood, when the time of repose for reaching setting
Afterwards, draw-gear starts and is moved horizontally with movable slider on friction test platform, and sensor pulls slide block movement, and tests two
The frictional force of sample.
The automatic friction coefficient instrument for placing sliding block or systematic difference in the above embodiment of the present invention can be
The PVvalue testing field of diaphragm material.
The foregoing is merely the preferred embodiment of the application, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. the friction coefficient instrument of sliding block is placed automatically, it is characterized in that, including the first moving component, first moving component include
Lifting gear, the lifting gear are connected with support member, and the lifting gear movement, which then drives, is supported by the described of sliding block
The movement of support member.
2. the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that, the support member is U-shaped fork,
Straight pin is provided with two parallel sides of the sliding block, for sliding block to be placed into U-shaped fork.
3. the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that, the automatic placement sliding block rubs
Wipe coefficient instrument and further include the second moving component, second moving component includes draw-gear, the draw-gear band movable slider
Movement, realizes the PVvalue testing to sample.
4. the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that, the support member is machinery
Hand, the manipulator are realized the crawl to sliding block three dimensions, are placed under the drive of lifting gear.
5. the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that, the lifting gear includes motor
And electric pushrod, the electric pushrod other end are fixed with U-shaped fork；Or the lifting gear is cylinder, electric cylinders or hydraulic cylinder.
6. the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that, the draw-gear includes traction
Motor and the synchronous belt being attached thereto, the traction electric machine drive sensor and sliding block to move horizontally successively by synchronous belt.
7. the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that, the sliding block is placed into platform
Afterwards, it is connected to by pin on sensor.
8. the automatic friction coefficient system for placing sliding block, it is characterized in that, including any automatic placement cunnings of claim 2-7
The friction coefficient instrument and control system of block, the control system realize the fortune to first moving component and the second moving component
Dynamic control.
9. the automatic method for placing sliding block of the automatic friction coefficient instrument for placing sliding block as claimed in claim 1, it is characterized in that,
Including：
Sample is fixed on platform, another piece of sample is fixed to slider bottom；
During open antiskid abrasiveness layer, the sliding block for installing sample is positioned over support member, when starting test, support member is in lifting gear
Lower setting in motion is driven, after moving to precalculated position, two samples contact with each other, and support member is separated with sliding block, and sliding block has been placed
Into.
10. the friction coefficient testing method of sliding block is placed automatically, including the automatic friction system for placing sliding block described in claim 9
The automatic method for placing sliding block of number instrument, it is characterized in that, further include：
After the completion of sliding block is placed, start timing, into program is stood, after the time of repose of setting is reached, draw-gear starts
And moved horizontally with movable slider on platform or platform opposing slider moves horizontally, sensor pulls slide block movement, and surveys
Try the frictional force between two samples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711424263.5A CN107907479A (en) | 2017-12-25 | 2017-12-25 | The automatic friction coefficient instrument for placing sliding block, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711424263.5A CN107907479A (en) | 2017-12-25 | 2017-12-25 | The automatic friction coefficient instrument for placing sliding block, system and method |
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| Publication Number | Publication Date |
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| CN107907479A true CN107907479A (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711424263.5A Pending CN107907479A (en) | 2017-12-25 | 2017-12-25 | The automatic friction coefficient instrument for placing sliding block, system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411939A (en) * | 2019-07-25 | 2019-11-05 | 北京建筑材料检验研究院有限公司 | A kind of pipeline confficient of static friction test device and method |
| CN110793692A (en) * | 2019-10-22 | 2020-02-14 | 苏州微比特自动化有限公司 | Friction force detection equipment |
| CN114459990A (en) * | 2022-01-21 | 2022-05-10 | 国高材高分子材料产业创新中心有限公司 | Friction coefficient testing device |
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| US6116076A (en) * | 1997-06-09 | 2000-09-12 | Testing Machines, Inc. | Method for testing static and kinetic frictional coefficients of a sheet material |
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| CN110411939A (en) * | 2019-07-25 | 2019-11-05 | 北京建筑材料检验研究院有限公司 | A kind of pipeline confficient of static friction test device and method |
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