CN107063992A - A kind of low speed underloading electrochemistry frictional testing machine - Google Patents
A kind of low speed underloading electrochemistry frictional testing machine Download PDFInfo
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- CN107063992A CN107063992A CN201710332473.5A CN201710332473A CN107063992A CN 107063992 A CN107063992 A CN 107063992A CN 201710332473 A CN201710332473 A CN 201710332473A CN 107063992 A CN107063992 A CN 107063992A
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 230000005518 electrochemistry Effects 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000002474 experimental method Methods 0.000 claims abstract description 18
- 230000003028 elevating effect Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 21
- 238000000840 electrochemical analysis Methods 0.000 claims description 10
- 229920002521 macromolecule Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 150000003839 salts Chemical class 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
Abstract
The invention discloses a kind of low speed underloading electrochemistry frictional testing machine, the technical problem of solution：There is fretting wear speed quickly for the conventional friction instrument referred in background technology and be not suitable for being engaged in the technological deficiency of the research work in terms of corrosive wear mechanism.The technical scheme taken, a kind of low speed underloading electrochemistry frictional testing machine, including for realizing the fast lifting mechanism that elevating mechanism changes between extreme higher position and extreme lower position, it is arranged on the rotating mechanism that friction test test is realized for driving sample to move in a circle inside fast lifting mechanism, the normal force load maintainer for being used to load normal load to upper sample being connected with rotating mechanism, sample platform and the sensor test module being fixed on experiment machine bottom board below normal force load maintainer.The beneficial effects of the invention are as follows：This low speed underloading electrochemistry frictional testing machine, can carry out the electrochemistry frictional experiment under low speed, underload.
Description
Technical field
The present invention relates to a kind of tribology equipment, more particularly, to the equipment of electrochemistry tribology, specially a kind of low speed
Underloading electrochemistry frictional testing machine.
Background technology
Electrochemistry fretting wear refers to metal friction part in the electrolyte such as acid, alkali, salt, due to forming microcell electrochemical
React and produce the phenomenon of abrasion.Due to mechanical wear and the reciprocation of electrochemical corrosion, the destruction of abrasion surpasses significantly
Cross simple corrosion or abrasion.Corrosive wear is relevant with environment, temperature, sliding speed, load and lubricating condition, correlation pole
For complexity.Such as internal combustion engine bearing gets rusty easily in humid air, and work also often occurs corrosive wear in the lubricant；Special
More often there is serious corrosive wear in the part of the mining machine and chemical machinery that are worked in medium etc.；Marine fish is direct
Using seawater as working fluid, corrosion friction caused by seawater is also the important topic of Marine fish systems face.
Current electrochemistry friction research is typically based on traditional tribology instrument, because these instruments typically all have
The characteristic of big load and high speed, thus fretting wear speed is quickly, is adapted to the macro -examination in terms of engineer applied, but be not suitable for
It is engaged in the research work in terms of corrosive wear mechanism.
The content of the invention
The technical problems to be solved by the invention are to exist for the conventional friction instrument referred in background technology and rub
The rate of wear quickly and is not suitable for being engaged in the technological deficiency of the research work in terms of corrosive wear mechanism.
The present invention proposes a kind of low speed underloading electrochemistry frictional testing machine, and the core of this testing machine is former under the low load of low speed
Position dynamic studies corrosion with abrasion reciprocation, can more clearly reflect damage process and phenomenon, facilitate researcher from
Microcosmic angle studies electrochemistry friction phenomenon, discloses electrochemistry friction mechanism.
To solve the above problems, the technical solution used in the present invention is：A kind of low speed underloading electrochemistry frictional testing machine,
Including for realizing the fast lifting mechanism (2) that elevating mechanism changes between extreme higher position and extreme lower position, being arranged on quick
Realize that friction test is tested for driving upper sample to move in a circle with what fast lifting mechanism was moved inside elevating mechanism
Rotating mechanism (3), be connected with rotating mechanism be used for upper sample load normal load normal force load maintainer (4), position
Being used for below normal force load maintainer assembles fixed lower sample and provides the sample platform (6) of electro-chemical test environment and set
Putting below sample platform and being fixed on experiment machine bottom board (1) is used for the actual normal load of test collection and frictional force data
Sensor test module (5)；
Fast lifting mechanism includes backboard (21), elbow folder (23), locking device, support frame (24) and rotating basis (22),
Backboard (21) is vertically arranged on experiment machine bottom board (1), and elbow presss from both sides (23) and is vertically arranged in by elbow folder base on backboard (21), elbow
Folder connecting rod passes through the locking device being fixed on backboard (21) to be connected with rotating basis (22), and rotating basis (22) is fixed on branch
On support (24), the both sides of support frame (24) are connected with the upright guide rail (25) being fixed on backboard (21)；
Rotating mechanism (3) is arranged on the inside of rotating basis (22), and rotating mechanism (3) includes being co-axially located at rotating basis
(22) internal rotary shaft (31) and setting clutch shaft bearing (32) between rotary shaft (31) and rotating basis (22) inwall；In rotation
The top of axle (31) sets driven pulley (33), and driven pulley (33) is arranged on servomotor (35) by synchronous cog belt (36) connection
Driving wheel (34) on motor shaft, servomotor (35) is arranged on support frame (24)；
Normal force load maintainer (4) generally rod-like structure, it is vertically-mounted in rotary shaft (31)；Load maintainer (4) is wrapped
Adjusting screw rod (41) is included, the lower end of adjusting screw rod (41) is by screw thread pair branch sleeve (42) and in adjusting screw rod (41) and sleeve
(42) junction adjusting screw rod (41) is located in sleeve (42)；Pass through second bearing at the lower end of adjusting screw rod (41)
(43) axis of guide (44) is set and the axis of guide (44) is located at sleeve (42) inside, the axis of guide (44) is set with the first spring (45), the
The axis of guide shaft shoulder (4-5) is close on the top of one spring (45), and the bottom of the first spring (45) withstands on the first axle of sliding axle (46)
On shoulder (47)；Sliding axle (46) is arranged in sleeve (42) and sleeve (42) is stretched out in the lower end of sliding axle (46), in sliding axle
(46) second spring (48) is set with, second shaft shoulder (49) on sliding axle (46), second are close in the top of second spring (48)
It is close to the step (4-6) of sleeve (42) inwall setting in the bottom of spring (48)；In the cunning positioned at sleeve inner on sliding axle (46)
Moving axis (46) sets bushing (4-1) between sleeve lining；Sliding axle (46) on sliding axle (46) at sleeve bottom end is outside
Two symmetrical spigot surfaces (4-2) are set on surface, sets on end cap (4-3), end cap (4-3) and is provided with sleeve (42) bottom
The guide groove for realizing that sliding axle (46) is circumferentially positioned is engaged with spigot surface (4-2)；In the bottom of sliding axle (46), cone is set
Cover (4-4), tapered sleeve (4-4) upper end inwall is circular conical surface, and there is external screw thread lower end；Tapered sleeve (4-4) upper end circular conical surface passes through bolt (4-
7) bottom of sliding axle (46), tapered sleeve (4-4) lower end external screw thread connection lock nut (4-8) are fixed on；At tapered sleeve (4-4)
Internal symmetry is provided for clamping the first gripping sleeve (7) and the second gripping sleeve (8) of sample (10), the first gripping sleeve (7) and
The lower end in contact locking screw of the upper end puller bolt (4-7) of second gripping sleeve (8), the first gripping sleeve (7) and the second gripping sleeve (8)
Cap (4-8).
Fast lifting mechanism in technical solution of the present invention be used to realizing elevating mechanism extreme higher position and extreme lower position it
Between transformation.Elevating mechanism be in extreme higher position when, can carry out above and below friction pair replacing, configure electrochemistry experiment environment,
It when elevating mechanism is in low level, can realize that normal force is loaded by load maintainer, and carry out frictional experiment work.Rapid elevator
Structure presss from both sides handle by pulling elbow, and fast lifting mechanism can be caused to be slided along high-precision guide rail between extreme higher position and extreme lower position
It is dynamic.
Rotating mechanism in technical solution of the present invention is assemblied in rotating basis, for driving upper sample to move in a circle,
Realize that friction test is tested.Rotating mechanism is connected as a single entity by support frame with elevating mechanism, with elevating mechanism synchronously move up and down.
Load maintainer in technical solution of the present invention realizes the loading of normal force by rotating adjusting screw rod, adjusts and unload
Carry.Turned clockwise adjusting screw rod, and the axis of guide is moved downward, and causes the first spring-compressed, spring tension is delivered into sliding axle,
Cause second spring to be compressed, and finally move downward sliding axle, realize that normal force is loaded；Conversely, rotate counterclockwise adjusts spiral shell
Bar, realizes the unloading of normal force.
Improvement to technical solution of the present invention, locking device includes the locking base being fixedly installed on backboard (21)
(27) two check lock levers (26), are symmetrical arranged on locking base, the bottom of two check lock levers (26) is all connected with rotating basis
(22) locking knob (28) for coordinating elbow folder connecting rod and connecting rod position being pressed from both sides for locking elbow, is provided with locking base (27).
When fast lifting mechanism is in extreme lower position, locking knob is tightened, check lock lever is formed a fixed connection with locking base, so that
Make the whole fast lifting mechanism position locked, it is to avoid the shake of whole elevating mechanism in experimentation.Work as fast lifting mechanism
During in extreme higher position, tightening locking knob prevents the unexpected whereabouts of elbow folder.
Improvement to technical solution of the present invention, clutch shaft bearing (32) is double-row angular contact bal bearing, rotary shaft and biserial angle
Contact ball bearing inner ring interference fits, rotating basis realizes that the outer ring of double-row angular contact bal bearing is positioned with support frame, rotary shaft
The shaft shoulder and round nut realize that the inner ring of double-row angular contact bal bearing is positioned.
Improvement to technical solution of the present invention, sensor test module (5) is three-dimensional force sensor.Three-dimensional force sensor is
Routine techniques product of the prior art.
Further improvement to above-mentioned technical proposal, sensor test module (5) sets shielding shell.Sensor test mould
Group module is provided with shielding shell, effectively prevents corrosion of the electrochemical liquid seepage to sensor.
Further improvement to above-mentioned technical proposal, sample platform (6) includes the water being connected with sensor test module (5)
The specimen clamping platform (62) of sample under clamping (9), specimen clamping are provided in the fixed plate (61) of placing flat, fixed plate (61)
Set on platform (62) and cover plate (64) is set on electrochemistry liquid pool (63), electrochemistry liquid pool (63).Sample platform is used to assemble lower examination
Sample and configuration electrochemistry experiment environment, are assemblied on sensor test module.
Further improvement to above-mentioned technical proposal, specimen clamping platform (62) is staircase structural model.
Further improvement to above-mentioned technical proposal, sets multiple for assembling electrochemical test electricity consumption on cover plate (64)
The electrode hole of pole.Cover plate is used to prevent the spilling of electrochemical liquid in experimentation, meanwhile, several electrodes are provided with cover plate
Hole, available for assembling electrochemical test electrode, electrode is connected with electrochemical workstation.Electrode is existing with electrochemical workstation
Routine techniques product in technology.
Further improvement to above-mentioned technical proposal, electrochemistry liquid pool (63) is macromolecule material container.Electrochemistry liquid pool
For a macromolecule material container, for configuring electrochemical test liquid environment.
Further improvement to above-mentioned technical proposal, it is close between the bottom of specimen clamping platform (62) and electrochemistry liquid pool (63)
Envelope connection.Specimen clamping platform is designed as staircase structural model, using macromolecule material, connects with electrochemical cell bottom using sealing is fixed
Connect, for assembling lower sample.Specimen clamping platform (62) is routine techniques product of the prior art.
The beneficial effects of the invention are as follows：
1st, this low speed underloading electrochemistry frictional testing machine, can carry out the electrochemistry frictional experiment under low speed, underload.
2nd, this low speed underloading electrochemistry frictional testing machine, using Manual spring load maintainer, effective reducing mechanism cost is real
Existing side crops industry loading, and can effectively evade the mutation of normal load during frictional experiment.
3rd, this low speed underloading electrochemistry frictional testing machine, detachable electrochemistry experiment pond so that testing machine both can be with
Carry out electrochemistry frictional experiment, common Tribological Test can also be carried out.
4th, this low speed underloading electrochemistry frictional testing machine, multi-functional upper specimen holder can be with anchor disk, dials and ball disk
Tribological Test.
5th, this low speed underloading electrochemistry frictional testing machine, sensor test module uses three-dimensional force sensor, synchronous in situ
Detect the couple variations process of normal load and frictional force.
Brief description of the drawings
Fig. 1 is the total figure of low speed underloading electrochemistry frictional testing machine.
Fig. 2 is the schematic diagram of fast lifting mechanism.
Fig. 3 is the sectional schematic diagram that rotating mechanism is arranged in fast lifting mechanism.
Fig. 4 is the schematic diagram of normal force load maintainer.
Fig. 5 is the schematic diagram of sample platform and sensor test module.
Embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
To make present disclosure more obvious understandable, done further below in conjunction with accompanying drawing 1- Fig. 5 and embodiment
Description.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in figure 1, low speed underloading electrochemistry frictional testing machine in the present embodiment, including a kind of low speed underloading electrochemistry are rubbed
Testing machine is wiped, including for realizing the fast lifting mechanism 2 that elevating mechanism changes between extreme higher position and extreme lower position, is set
The sample on driving moved with fast lifting mechanism inside fast lifting mechanism, which moves in a circle, realizes friction examination
The rotating mechanism 3 of test examination, the normal force load maintainer 4 for being used to load normal load to upper sample being connected with rotating mechanism,
Being used for below normal force load maintainer assembles fixed lower sample and provides the sample platform 6 of electro-chemical test environment and set
Put below sample platform and be fixed on being used on experiment machine bottom board 1 and test the actual normal load of collection and frictional force data
Sensor test module 5.
As shown in Fig. 2 fast lifting mechanism is used to realize transformation of the elevating mechanism between extreme higher position and extreme lower position.
When elevating mechanism is in extreme higher position, can carry out above and below friction pair replacing, electrochemistry experiment environment is configured, at elevating mechanism
It when low level, can realize that normal force is loaded by load maintainer, and carry out frictional experiment work.
Fast lifting mechanism includes backboard 21, elbow folder 23, locking device, support frame 24 and rotating basis 22, and backboard 21 is erected
Directly it is arranged on experiment machine bottom board 1, elbow folder 23 presss from both sides base by elbow and is vertically arranged on backboard 21, elbow folder connecting rod, which is passed through, to be fixed on
Locking device on backboard 21 is connected with rotating basis 22, and rotating basis 22 is fixed on support frame 24, and the two of support frame 24
Side is connected with the upright guide rail 25 being fixed on backboard 21.Fast lifting mechanism presss from both sides handle by pulling elbow, can cause
Fast lifting mechanism is slided along high-precision guide rail between extreme higher position and extreme lower position.
Locking device includes the locking base 27 being fixedly installed on backboard 21, and two locks are symmetrical arranged on locking base
Tight bar 26, the bottom of two check lock levers 26 is all connected with rotating basis 22, and cooperation elbow folder connecting rod is provided with locking base 27 simultaneously
The locking knob 28 of connecting rod position is pressed from both sides for locking elbow.When fast lifting mechanism is in extreme lower position, locking knob is tightened, is made
Check lock lever forms a fixed connection with locking base, so that whole fast lifting mechanism position is locked, it is to avoid in experimentation
The shake of whole elevating mechanism.When fast lifting mechanism is in extreme higher position, tightening locking knob prevents the unexpected whereabouts of elbow folder.
As shown in figure 3, rotating mechanism is assemblied in rotating basis, for driving upper sample to move in a circle, friction is realized
Experimental test.
Rotating mechanism 3 is arranged on the inside of rotating basis 22, and rotating mechanism 3 includes being co-axially located inside rotating basis 22
Rotary shaft 31 and between rotary shaft 31 and the inwall of rotating basis 22 set clutch shaft bearing 32；Clutch shaft bearing 32 is double row angular contact
Ball bearing, rotary shaft and double-row angular contact bal bearing inner ring interference fits, rotating basis realize double row angular contact ball with support frame
The outer ring positioning of bearing, the shaft shoulder and the round nut of rotary shaft realize that the inner ring of double-row angular contact bal bearing is positioned.In rotary shaft 31
Top driven pulley 33 is set, driven pulley 33 is connected by synchronous cog belt 36 and is arranged on active on the motor shaft of servomotor 35
Wheel 34, servomotor 35 is arranged on support frame 24.Servomotor 35 is assemblied on support frame 24, the fixing assembling of driving wheel 34 in
On servo motor output shaft, driven pulley 33 is securely fitted in rotary shaft 31, and synchronous cog belt 36 transports the rotation of servomotor
It is dynamic to be delivered in rotary shaft 31, drive rotary shaft to realize rotary motion.Rotating mechanism is linked as by support frame 24 and elevating mechanism
One, with elevating mechanism synchronously move up and down.
As shown in figure 4, normal force load maintainer 4 includes adjusting screw rod 41, sleeve 42, the axis of guide 44, the first spring 45, the
Two springs 48, second bearing 43, sliding axle 46, bushing 4-1, end cap 4-3, lock nut 4-8, tapered sleeve 4-4, the first gripping sleeve 7
And first gripping sleeve 8.The axis of guide 44, the first spring 45, second spring 48, second bearing 43 are placed in sleeve 42, for reality
The regulation of existing normal force.
Normal force load maintainer 4 realizes the loading, regulation and unloading of normal force by rotating adjusting screw rod 41.Dextrorotation
Turn adjusting screw rod, the axis of guide is moved downward, cause the first spring 45 to compress, spring tension is delivered to sliding axle, second is caused
Spring 48 compresses, and finally moves downward sliding axle, realizes that normal force is loaded；Conversely, rotate counterclockwise adjusting screw rod, is realized
The unloading of normal force.
The generally rod-like structure of normal force load maintainer 4, it is vertically-mounted in rotary shaft 31；Load maintainer 4 includes regulation
Screw rod 41, the lower end of adjusting screw rod 41 is adjusted by screw thread pair branch sleeve 42 and in the junction of adjusting screw rod 41 and sleeve 42
Screw rod 41 is located in sleeve 42；The reduction length of the first spring 45 is can adjust by rotating adjusting screw rod 41, and then will regulation
Load force caused by screw rod turn passes to sliding axle 46.
The axis of guide 44 is set by second bearing 43 at the lower end of adjusting screw rod 41 and the axis of guide 44 is located at sleeve 42
Inside, the axis of guide 44 is set with the first spring 45, and the shaft shoulder 4-5 of the axis of guide 44 is close on the top of the first spring 45, the first spring 45
Bottom is withstood on first shaft shoulder 47 of sliding axle 46；The upper end of first spring 45 coordinates with being oriented to shaft clearance, the axis of guide and bearing
Inner ring interference fits, bearing outer ring and adjusting screw rod interference fits, the lower end of the first spring 45 and slip shaft clearance coordinate, and utilize
First shaft shoulder 47 of axis of guide shaft shoulder 4-5 and sliding axle realizes the positioning at the two ends of the first spring 45.
Sliding axle 46 is arranged in sleeve 42 and sleeve 42 is stretched out in the lower end of sliding axle 46, and second is set with sliding axle 46
Second shaft shoulder 49 on sliding axle 46 is close on spring 48, the top of second spring 48, and sleeve 42 is close in the bottom of second spring 48
The step 4-6 that inwall is set；Bushing 4- is set on sliding axle 46 between the sliding axle 46 and sleeve lining positioned at sleeve inner
1；Second spring 48 is enclosed on sliding axle 46, and sleeve lining is provided with step 4-6, second shaft shoulder 49 and sleeve step of sliding axle
Upper section realizes the positioning at the two ends of second spring 48, the rigidity and the gross weight phase of sliding axle, upper specimen holder of second spring 48
Matching, the deadweight for eliminating sliding axle and upper specimen holder.
Two symmetrical spigot surface 4-2 are set on sliding axle 46 on the outer surface of sliding axle 46 at sleeve bottom end,
The bottom of sleeve 42, which sets to be provided with to be engaged with spigot surface 4-2 on end cap 4-3, end cap 4-3, realizes that sliding axle 46 is circumferentially positioned
Guide groove；End cap 4-3 has guide groove, and fixing assembling is in the lower surface of sleeve 42.Utilize end cap guide groove and sliding axle lower end
The gap of spigot surface coordinates, and realizes the circumferentially positioned of sliding axle 46.Oil-free bushing 4-1 is embedded in sleeve lining lower end, sliding axle
It is slidably matched with oil-free bushing, step lower section realizes the axially position of oil-free bushing with end cap in sleeve.
Tapered sleeve 4-4 is set in the bottom of sliding axle 46, and tapered sleeve 4-4 upper ends inwall is circular conical surface, and there is external screw thread lower end；Cone
Set 4-4 upper end circular conical surfaces are fixed on the bottom of sliding axle 46, the connection locking of tapered sleeve 4-4 lower ends external screw thread by bolt 4-7
Nut 4-8；It is provided for clamping the first gripping sleeve 7 and the second gripping sleeve 8 of sample 10, first in tapered sleeve 4-4 internal symmetries
The lower end in contact locking of the upper end puller bolt 4-7 of the gripping sleeve 8 of gripping sleeve 7 and second, the first gripping sleeve 7 and the second gripping sleeve 8
Nut 4-8.
Normal force load maintainer realizes the loading, regulation and unloading of normal force by rotating adjusting screw rod 41.Dextrorotation
Turn adjusting screw rod 41, the axis of guide 44 is moved downward, cause the first spring 45 to compress, spring tension is delivered to sliding axle 46, cause
Second spring 48 is compressed, and finally moves downward sliding axle, realizes that normal force is loaded；Conversely, rotate counterclockwise adjusts spiral shell
Bar, realizes the unloading of normal force.By rotational lock nut 4-8, the first gripping sleeve 7, the second gripping sleeve 8 are held out against, and then clamp
Column pin, pin or spherical sample, can be achieved pin disk, dials or ball disk friction testing.
As shown in figure 5, sensor test module 5 is three-dimensional force sensor.Three-dimensional force sensor is of the prior art normal
Advise technical products.Sensor test module 5 sets shielding shell.Sensor test module module is provided with shielding shell, effectively
Prevent corrosion of the electrochemical liquid seepage to sensor.
As shown in figure 5, sample platform 6 includes the fixed plate 61 for the horizontal positioned being connected with sensor test module 5, it is fixed
It is provided on the specimen clamping platform 62 of sample 9 under clamping, specimen clamping platform 62 setting electrochemistry liquid pool 63, electrochemistry on plate 61
Cover plate 64 is set on liquid pool 63.Sample platform is used to assemble lower sample and configuration electrochemistry experiment environment, is assemblied in sensor survey
On die trial block.Multiple electrode holes for being used to assemble electrochemical test electrode are set on cover plate 64.Cover plate is used to prevent experiment
During electrochemical liquid spilling, meanwhile, several electrode holes are provided with cover plate, available for assembling electrochemical test electricity consumption
Pole.Electrochemistry liquid pool 63 is macromolecule material container.Electrochemistry liquid pool is a macromolecule material container, for configuring electrochemical test
Test and use liquid environment.It is tightly connected between the bottom of specimen clamping platform 62 and electrochemistry liquid pool 63.Specimen clamping platform is designed as platform
Hierarchic structure, using macromolecule material, with electrochemical cell bottom using being sealedly and fixedly connected, for assembling lower sample.Sample is filled
Folder platform 62 is routine techniques product of the prior art.
Test operation process：
During on-test, elbow folder handle is lifted, fast lifting mechanism is reached extreme higher position, fit on sample and lower examination
Sample, configures electrochemical operation environment.
Lower elbow folder handle is pulled, fast lifting mechanism is reached extreme lower position, tightens locking knob.Cover electrochemistry liquid pool lid
Plate.
Testing machine control software is opened, turn clockwise load maintainer adjusting screw rod, until Computer display normal load
Reach after preset value, start firing test process, system will automatically record and show all test datas, until off-test.
What is be not specifically noted in all description of the invention is prior art or can be realized by existing technology,
It should be appreciated that for those of ordinary skills, can according to the above description be improved or be converted, and it is all this
A little modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of low speed underloading electrochemistry frictional testing machine, it is characterised in that：Including for realizing elevating mechanism in extreme higher position
The fast lifting mechanism (2) changed between extreme lower position, be arranged on inside fast lifting mechanism with fast lifting mechanism
The rotating mechanism (3) that friction test test is realized for driving sample to move in a circle of motion, is connected with rotating mechanism
Normal force load maintainer (4) for loading normal load to upper sample, being used for below normal force load maintainer assembles
Fixed lower sample simultaneously provides the sample platform (6) of electro-chemical test environment and is arranged on below sample platform and is fixed on testing machine
Being used on bottom plate (1) tests the sensor test module (5) of the actual normal load of collection and frictional force data；
Fast lifting mechanism includes backboard (21), elbow folder (23), locking device, support frame (24) and rotating basis (22), backboard
(21) it is vertically arranged on experiment machine bottom board (1), elbow presss from both sides (23) and is vertically arranged in by elbow folder base on backboard (21), and elbow folder connects
Bar passes through the locking device being fixed on backboard (21) to be connected with rotating basis (22), and rotating basis (22) is fixed on support frame
(24) on, the both sides of support frame (24) are connected with the upright guide rail (25) being fixed on backboard (21)；
Rotating mechanism (3) is arranged on the inside of rotating basis (22), and rotating mechanism (3) includes being co-axially located at rotating basis (22)
Internal rotary shaft (31) and setting clutch shaft bearing (32) between rotary shaft (31) and rotating basis (22) inwall；In rotary shaft
(31) top sets driven pulley (33), and driven pulley (33) is arranged on servomotor (35) electricity by synchronous cog belt (36) connection
Driving wheel (34) on arbor, servomotor (35) is arranged on support frame (24)；
Normal force load maintainer (4) generally rod-like structure, it is vertically-mounted in rotary shaft (31)；Load maintainer (4) includes adjusting
Screw rod (41) is saved, the lower end of adjusting screw rod (41) is by screw thread pair branch sleeve (42) and in adjusting screw rod (41) and sleeve (42)
Junction adjusting screw rod (41) be located at sleeve (42) in；Set at the lower end of adjusting screw rod (41) by second bearing (43)
Put the axis of guide (44) and the axis of guide (44) is located at sleeve (42) inside, the axis of guide (44) is set with the first spring (45), the first spring
(45) axis of guide shaft shoulder (4-5) is close on top, and the bottom of the first spring (45) withstands on first shaft shoulder (47) of sliding axle (46)
On；Sliding axle (46) is arranged in sleeve (42) and sleeve (42) is stretched out in the lower end of sliding axle (46), is covered on sliding axle (46)
Second spring (48) is filled, second shaft shoulder (49) on sliding axle (46), second spring (48) are close in the top of second spring (48)
Bottom be close to sleeve (42) inwall setting step (4-6)；In the sliding axle (46) positioned at sleeve inner on sliding axle (46)
Bushing (4-1) is set between sleeve lining；Set on sliding axle (46) on sliding axle (46) outer surface at sleeve bottom end
Two symmetrical spigot surfaces (4-2) are put, is set in sleeve (42) bottom on end cap (4-3), end cap (4-3) and is provided with and is oriented to
Face (4-2) is engaged the guide groove for realizing that sliding axle (46) is circumferentially positioned；Sliding axle (46) bottom set tapered sleeve (4-
4), tapered sleeve (4-4) upper end inwall is circular conical surface, and there is external screw thread lower end；Tapered sleeve (44) upper end circular conical surface is filled by bolt (4-7)
With the bottom for being fixed on sliding axle (46), tapered sleeve (4-4) lower end external screw thread connection lock nut (4-8)；In tapered sleeve (4-4)
Portion is symmetrical arranged for clamping the first gripping sleeve (7) and the second gripping sleeve (8) of sample (10), the first gripping sleeve (7) and the
The lower end in contact locking screw of the upper end puller bolt (4-7) of two gripping sleeves (8), the first gripping sleeve (7) and the second gripping sleeve (8)
Cap (4-8).
2. using the low speed underloading electrochemistry frictional testing machine described in claim 1, it is characterised in that locking device includes fixing
The locking base (27) on backboard (21) is arranged on, two check lock levers (26), two check lock levers are symmetrical arranged on locking base
(26) bottom is all connected with rotating basis (22), cooperation elbow folder connecting rod is provided with locking base (27) and for locking elbow folder
The locking knob (28) of connecting rod position.
3. using the low speed underloading electrochemistry frictional testing machine described in claim 1, it is characterised in that clutch shaft bearing (32) is double
Row angular contact ball bearing, rotary shaft and double-row angular contact bal bearing inner ring interference fits, rotating basis realize biserial with support frame
The outer ring positioning of angular contact ball bearing, the shaft shoulder and the round nut of rotary shaft realize that the inner ring of double-row angular contact bal bearing is positioned.
4. using the low speed underloading electrochemistry frictional testing machine described in claim 1, it is characterised in that sensor test module
(5) it is three-dimensional force sensor.
5. using the low speed underloading electrochemistry frictional testing machine described in claim 4, it is characterised in that sensor test module
(5) shielding shell is set.
6. using the low speed underloading electrochemistry frictional testing machine described in claim 4, it is characterised in that sample platform (6) includes
The fixed plate (61) for the horizontal positioned being connected with sensor test module (5), fixed plate is provided for sample under clamping on (61)
(9) set on specimen clamping platform (62), specimen clamping platform (62) and lid is set on electrochemistry liquid pool (63), electrochemistry liquid pool (63)
Plate (64).
7. using the low speed underloading electrochemistry frictional testing machine described in claim 6, it is characterised in that specimen clamping platform (62) is
Staircase structural model.
8. using the low speed underloading electrochemistry frictional testing machine described in claim 6, it is characterised in that set on cover plate (64)
Multiple electrode holes for being used to assemble electrochemical test electrode.
9. using the low speed underloading electrochemistry frictional testing machine described in claim 6, it is characterised in that electrochemistry liquid pool (63) is
Macromolecule material container.
10. using the low speed underloading electrochemistry frictional testing machine described in claim 9, it is characterised in that specimen clamping platform (62)
Bottom and electrochemistry liquid pool (63) between be tightly connected.
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| CN201710332473.5A CN107063992B (en) | 2017-05-11 | 2017-05-11 | Low-speed light-load electrochemical friction testing machine |
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| CN201710332473.5A CN107063992B (en) | 2017-05-11 | 2017-05-11 | Low-speed light-load electrochemical friction testing machine |
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| CN107063992B CN107063992B (en) | 2024-04-16 |
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| CN107991231A (en) * | 2017-11-14 | 2018-05-04 | 洛阳理工学院 | A kind of shafting pressure-loaded system for friction wear testing machine |
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| CN110346276B (en) * | 2019-07-26 | 2021-12-17 | 岱新（上海）电子科技有限公司 | Detection device for new energy automobile battery pack |
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