CN109900633A - A kind of solid-liquid two-phase bulk material experiment of friction performance device - Google Patents
A kind of solid-liquid two-phase bulk material experiment of friction performance device Download PDFInfo
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- CN109900633A CN109900633A CN201910287821.0A CN201910287821A CN109900633A CN 109900633 A CN109900633 A CN 109900633A CN 201910287821 A CN201910287821 A CN 201910287821A CN 109900633 A CN109900633 A CN 109900633A
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Abstract
The invention discloses a kind of solid-liquid two-phase bulk material experiment of friction performance devices, the upper layer of synchronous belt disconnects and is separately connected tension sensor, it is fixedly connected between two tension sensors by support baseboard, support baseboard lower end is slidably fitted in support base by sliding equipment level, main machine base is fixedly installed with mainframe upwards, press perpendicular oil cylinder is removably fixedly mounted on the mainframe, fixed barrel is also fixedly installed on the mainframe, the experimental rig for carrying out experiment of friction performance to solid-liquid two-phase bulk material is provided on the support baseboard;It further include the velocity sensor detected for the speed to synchronous belt.A formula level meter is installed on main machine base.Synchronous belt, which moves back and forth, in this experimental rig can carry out multiple experiment of friction performance, can the frictional behavior preferably to solid-liquid two-phase bulk material test, structure is simple, easy to use.
Description
Technical field
The present invention relates to material experiment of friction performance technical fields, and in particular to a kind of solid-liquid two-phase bulk material friction is special
Property experimental rig.
Background technique
With intensive, the large-scale development of livestock and poultry cultivation, people's living standard is significantly improved, while also bringing
Cultivate the problem of environmental pollution of organic waste.The cleaning of large scale of pig farm waste has dry cleaning up excrement, slatted floor, scraper plate to add flushing water
Equal several modes, mainly based on scratch board feces cleaning, the solid content waste after cleaning is mainly scaled cattle farms with aerobic compost
Main, liquid is based on anaerobic fermentation combination aerobic aeration, and no matter which kind of waste clears up mode, be separated by solid-liquid separation all be wherein can not or
Scarce key technique, the efficiency of solid-liquid separating equipment restrict the effect that entire cultivation reclaiming organic waste utilizes system
Rate.
The efficient cultivation organic waste solid-liquid separating equipment of research and development is to promote resource to solve the bottleneck problem in processing
Change and utilizes horizontal important channel.Wherein it is with frictional behavior research of the solid-liquid two-phase bulk material in solid-liquid separating equipment again
Core, to further investigate compressible solid-liquid two-phase bulk material physical property variation and friction dynamics characteristic during helical feed
It is the top priority for disclosing helical feed and being separated by solid-liquid separation mechanism.And most of associated friction characteristic test apparatus is all needle at present
To incompressible spherical bulk material, the friction of the compressible solid-liquid two-phase bulk material as similar feces of livestock and poultry is special
Experimental rig of the property based on pressure and velocity variations rule is not yet.
Summary of the invention
The problem of the purpose of the present invention is to above-mentioned existing experimental rig missings, provides a kind of solid-liquid two-phase granular media object
Expect experiment of friction performance device, changes to further investigate compressible solid-liquid two-phase bulk material physical property during helical feed
Equipment support is provided with friction dynamics characteristic and the research for disclosing helical feed and separation of solid and liquid mechanism.It is above-mentioned in order to solve
Technical problem, present invention employs the following technical solutions:
A kind of solid-liquid two-phase bulk material experiment of friction performance device, including electronic control unit, synchronous belt and for driving
The movement mechanism of synchronous belt movement, two tension sensors, support baseboard, press perpendicular oil cylinder, main machine base, the synchronous belt
Horizontally disposed, the upper layer of the synchronous belt disconnects and the both ends disconnected are connected separately with tension sensor, and two pulling force pass
It is fixedly connected between sensor by support baseboard, the main machine base is horizontally disposed, and formula water is equipped on the main machine base
Level, the support baseboard lower end are slidably fitted in the support base by sliding equipment level, and the support base is set
It sets between the upper and lower of the synchronous belt, the two sides that the main machine base is located at toothed belt transmission direction are solid upwards respectively
Dingan County is equipped with mainframe, and the press perpendicular oil cylinder is removably fixedly mounted on the mainframe and press perpendicular oil
The piston rod of cylinder is arranged vertically downwards, and the piston-rod lower end is fixedly installed with horizontally disposed piston bottom plate, the mainframe
On be also fixedly installed with fixed barrel, the fixed barrel both ends open setting, the fixed barrel face is arranged in the work
Below stopper rod, it is provided with the test for carrying out experiment of friction performance to solid-liquid two-phase bulk material on the support baseboard and fills
It sets;It further include the velocity sensor detected for the speed to synchronous belt, the synchronous belt side is provided with the sensing that tests the speed
Device mounting base, the velocity sensor are fixedly mounted in the velocity sensor mounting base, the tension sensor, fitness machine
Structure, velocity sensor and press perpendicular oil cylinder are electrically connected setting with the electronic control unit.
In the technical program, during the test, first has to carry out leveling operations to main machine base, be installed on main machine base
There is a formula level meter;When in use, it is packed into solid-liquid two-phase bulk material in fixed barrel, then fixes barrel lower end and test
Device contact, electronic control unit set certain pressure at right angle value to press perpendicular oil cylinder, and press perpendicular oil cylinder is into fixed barrel
Solid-liquid two-phase bulk material apply vertical constant pressure so that the solid-liquid two-phase bulk material and test in fixed barrel fill
Close contact and uniform force are set, later, power mechanism drives synchronous belt movement, utilizes the fortune of velocity sensor detection synchronous belt
Dynamic speed will drive the sliding of support baseboard level in synchronous belt movement, and support baseboard will drive experimental rig movement, so that
It obtains and generates friction between experimental rig and solid-liquid two-phase bulk material, tension sensor is utilized to detect lateral pull value;Test the speed biography
The pressure value of sensor, tension sensor and press perpendicular oil cylinder is transferred to electronic control unit, and final electronic control unit is according to vertical pressure
Force value, value of thrust and velocity amplitude calculate and generate the coefficient of maximum static friction of solid-liquid two-phase bulk material and experimental rig, sliding
Coefficient of friction and coefficient of internal friction are with the variation rule curve figure between vertical positive power, speed of related movement.It synchronizes and takes to
Multiple movement, drives experimental rig to move back and forth, can carry out multiple experiment of friction performance, preferably improve detection efficiency.
Further, the experimental rig includes test plate, and the test plate is horizontally disposed, and the test plate can
Disassembly is fixedly mounted on the support baseboard.
It in this way, test plate is provided with several, can be replaced, before on-test, be placed in fixed barrel solid
Liquid two-phase bulk material, fixed barrel lower end are contacted with test plate upper surface, the solid-liquid two-phase bulk material in fixed barrel
Setting is contacted with test plate upper surface, solid-liquid two-phase bulk material of the press perpendicular oil cylinder into fixed barrel applies permanent later
Determine pressure at right angle value, synchronous belt movement drives support baseboard movement, and support baseboard drives test plate mobile, utilizes pull sensing
Device detects lateral pull value, and velocity sensor detects the velocity amplitude of synchronous belt, by pressure at right angle value, lateral pull value and velocity amplitude
Pass electronic control unit back, final electronic control unit calculates according to pressure at right angle value, lateral pull value and velocity amplitude and generates solid-liquid two-phase
Coefficient of maximum static friction and the coefficient of sliding friction between bulk material and test plate is with vertical positive power, speed of related movement
Between variation rule curve figure.Specifically, solid-liquid two-phase bulk material involved in this patent is mixed for compressible solid-liquid two-phase
Close bulk material.The moisture content of compressible solid-liquid two-phase bulk material is different, causes its surface between test plate attached
Put forth effort difference, therefore influences its skin-friction coefficient between test plate;Meanwhile moisture content is different, with test board
The movement speed of material is different, and the adhesive force between test plate is also different, so that its surface between test plate is rubbed
It is also different to wipe coefficient.After experiment, experimenter according to the different test movement speeds of plates, press perpendicular oil cylinder it is vertical
Changing rule between the lateral pull value of the moment of pressure value and test plate from static to mobile obtains maximum static friction
Coefficient;Experimenter is according to the movement speed of different test plates, the pressure at right angle value of press perpendicular oil cylinder and tests plate
Changing rule between the lateral pull value of uniform motion obtains the coefficient of sliding friction.The moisture content of solid-liquid two-phase bulk material is not
Together, the pressure at right angle value of press perpendicular oil cylinder is different, and the movement speed of synchronous belt is different, and obtained skin-friction coefficient is different.
Further, the experimental rig includes the mobile barrel being fixedly mounted on the support baseboard, the movement
The top of the barrel opening setting, the mobile barrel are consistent with the fixed barrel diameter.
In this way, mobile barrel is fixedly mounted on support baseboard, before on-test, solid-liquid two-phase bulk material is placed on
In fixed barrel and mobile barrel, mobile the top of the barrel and fixed barrel lower end face and setting is contacted, press perpendicular is oily later
Solid-liquid two-phase bulk material of the cylinder into fixed barrel applies constant perpendicular pressure value, and synchronous belt movement drives support baseboard fortune
Dynamic, support baseboard drives mobile barrel mobile, so that fixed barrel and mobile barrel generate dislocation in the vertical direction, utilizes drawing
Force snesor detect lateral pull value, velocity sensor detect synchronous belt velocity amplitude, by pressure at right angle value, lateral pull value and
Velocity amplitude passes electronic control unit back, and final electronic control unit is calculated according to pressure at right angle value, lateral pull value and velocity amplitude and generated solid
Liquid two-phase bulk material coefficient of internal friction is with the variation rule curve figure between vertical positive power, speed of related movement.Specifically,
Solid-liquid two-phase bulk material involved in this patent is compressible solid-liquid two-phase mixtures solid-liquid two-phase bulk material.It is compressible solid
The moisture content of liquid two-phase bulk material is different, causes the adhesive force between solid-liquid two-phase bulk material different, therefore influence in it
Coefficient of friction;Meanwhile moisture content is different, the movement speed with mobile barrel is different, and inner surface coefficient of friction is also different.
After experiment, experimenter is according to the movement speed of mobile barrel, the pressure at right angle value of press perpendicular oil cylinder and mobile material
The variation rule between lateral pull value after the lateral pull value of moment of the cylinder from static to mobile and mobile barrel uniform motion
Rule obtains coefficient of internal friction.The moisture content of solid-liquid two-phase bulk material is different, and the pressure at right angle value of press perpendicular oil cylinder is different, together
The movement speed for walking band is different, and obtained internal friction factor is different.
Further, the sliding equipment includes the sliding block for being fixedly mounted on the support baseboard lower end, in the sliding block
Portion is provided with rolling element, and the rolling element lower end is located at below the sliding block lower surface, and being horizontally disposed on the main machine base has
Guide rail, the rolling element of the sliding block roll cooperation on the guide rail.
In this way, support baseboard is slidably mounted on main machine base, the frictional force between it can be preferably reduced, improves examination
Test the accuracy of result.Specifically, sliding block is provided with 8, and sliding block is bolted to connection with support baseboard lower end.
Further, the movement mechanism includes servo motor, active synchronization belt wheel and driven synchronous pulley, the servo
Motor is fixedly mounted on motor mount, and the output shaft of the servo motor is joined by shaft coupling and the active synchronization belt wheel
It connects, the both ends in the toothed belt transmission direction, the active synchronization is arranged in the active synchronization belt wheel and driven synchronous pulley
Belt wheel is rotatably installed on motor mount, and the driven synchronous pulley is rotatably installed in driven pulley mounting base.
In this way, servo motor acts, active synchronization belt wheel rotation is driven by shaft coupling, is driven by the transmission of synchronous belt
Driven synchronous pulley rotation, so that synchronous belt is mobile with constant speed, and using velocity sensor to the movement speed of synchronous belt
It is detected, and velocity amplitude is delivered to electronic control unit.
Further, the press perpendicular oil cylinder is fixedly mounted on cylinder installation seat, the cylinder installation seat both ends with
The mainframe is detachably fixed connection.
In this way, being provided with cylinder installation seat, the installation of press perpendicular oil cylinder is facilitated to fix.
Further, strip-shaped hole is vertically provided on the mainframe, the cylinder installation seat is bolted installation
In institute's strip-shaped hole.
In this way, can according to need the height of adjustment cylinder installation seat, and then press perpendicular oil cylinder lower end is adjusted,
Facilitate the installation and replacement of test plate or mobile barrel.
Further, the press perpendicular oil cylinder connect setting by pipeline with hydraulic power unit, and the liquid pumping plant is integrated
There is pressure sensor, the pressure sensor is electrically connected setting with the electronic control unit.
In this way, hydraulic power unit is used to apply press perpendicular oil cylinder constant pressure, and the pressure integrated by hydraulic power unit collection
Pressure at right angle value is delivered to electronic control unit by force snesor.
Further, the electronic control unit includes electronic computer and is electrically connected the automatically controlled of setting with the electronic computer
Cabinet component, the hydraulic power unit, pressure sensor, velocity sensor, tension sensor, servo motor respectively with the power control cabinet
Component electrical connection setting.
In this way, electronic control unit is used to control the constant rotational speed that hydraulic power unit exports constant pressure, servo motor output, together
When can receive the signal of pressure sensor, velocity sensor and tension sensor, improve the reliability of whole device.
Further, the mainframe two sides are fixedly connected by support rod with main machine base.
In this way, support rod can preferably improve the stability under loading of mainframe, while guaranteeing the flatness of main machine base.
To sum up, experimental rig disclosed by the invention can be measured in different vertical pressure and different test plate transverse shiftings
The coefficient of maximum static friction and the coefficient of sliding friction of solid-liquid two-phase bulk material under velocity conditions and different test plates;In addition
It can measure in different vertical pressure with the solid-liquid two-phase bulk material under different mobile barrel transverse shifting velocity conditions
Coefficient of friction.
Detailed description of the invention
Fig. 1 is that the structure of solid-liquid two-phase bulk material experiment of friction performance device described in the specific embodiment of the invention is shown
It is intended to.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the schematic diagram of the B-B of Fig. 1, and wherein experimental rig is test plate.
Fig. 4 is the schematic diagram of the B-B of Fig. 1, and wherein experimental rig is mobile barrel.
Fig. 5 is the structure enlargement diagram for testing plate cleaning device.
Fig. 6 is the C direction view of Fig. 5.
Fig. 7 is the D direction view of Fig. 5.
Specific embodiment
The 1-7 present invention is described in further detail with reference to the accompanying drawing.
A kind of solid-liquid two-phase bulk material experiment of friction performance device, including electronic control unit 1, synchronous belt 5 and for driving
The movement mechanism of the dynamic movement of synchronous belt 5, two tension sensors 10, support baseboard 14, press perpendicular oil cylinder 21, main machine base 8,
The synchronous belt 5 is horizontally disposed, and the upper layer of the synchronous belt 5 disconnects and the both ends disconnected are connected separately with tension sensor 10,
It is fixedly connected between two tension sensors 10 by support baseboard 14, the main machine base 8 is horizontally disposed, the host
A formula level meter 26 is installed, 14 lower end of support baseboard is slidably fitted in the branch by sliding equipment level on pedestal 8
It supports on pedestal 8, the support base 8 is arranged between the upper and lower of the synchronous belt 5, and the main machine base 8 is located at same
The two sides of step 5 transmission direction of band are fixedly installed with mainframe 11 upwards respectively, and the press perpendicular oil cylinder 21 is removably fixed
It is mounted on the mainframe 11 and the piston rod of the press perpendicular oil cylinder 21 is arranged vertically downwards, the piston-rod lower end is solid
Dingan County is equipped with horizontally disposed piston bottom plate, is also fixedly installed with fixed barrel 20, the fixed barrel on the mainframe 11
The setting of 20 both ends opens, fixed 20 face of barrel are arranged below the piston rod, are arranged on the support baseboard useful
In the experimental rig for carrying out experiment of friction performance to solid-liquid two-phase bulk material;It further include being carried out for the speed to synchronous belt 5
The velocity sensor 7 of detection, 5 side of synchronous belt are provided with velocity sensor mounting base 6, and the velocity sensor 7 is fixed
Be mounted in the velocity sensor mounting base 6, the tension sensor 10, movement mechanism, velocity sensor 7 and it is vertical plus
Compressing cylinder 21 is electrically connected setting with the electronic control unit.
In the technical program, during the test, first has to carry out leveling operations to main machine base, be installed on main machine base
There is a formula level meter;When in use, it is packed into solid-liquid two-phase bulk material in fixed barrel, then fixes barrel lower end and test
Device contact, electronic control unit set certain pressure at right angle value to press perpendicular oil cylinder, and press perpendicular oil cylinder is into fixed barrel
Solid-liquid two-phase bulk material apply vertical constant pressure so that the solid-liquid two-phase bulk material and test in fixed barrel fill
Close contact and uniform force are set, later, power mechanism drives synchronous belt movement, utilizes the fortune of velocity sensor detection synchronous belt
Dynamic speed will drive the sliding of support baseboard level in synchronous belt movement, and support baseboard will drive experimental provision movement, so that
It obtains and generates friction between experimental rig and solid-liquid two-phase bulk material, tension sensor is utilized to detect lateral pull value;Test the speed biography
The pressure value of sensor, tension sensor and press perpendicular oil cylinder is transferred to electronic control unit, and final electronic control unit is according to vertical pressure
Force value, value of thrust and velocity amplitude calculate and generate the coefficient of maximum static friction of solid-liquid two-phase bulk material and experimental rig, sliding
Coefficient of friction and coefficient of internal friction are with the variation rule curve figure between vertical positive power, speed of related movement.Solid-liquid two-phase
The moisture content of bulk material is different, and the pressure at right angle value of press perpendicular oil cylinder is different, and the movement speed of synchronous belt is different, obtains
Skin-friction coefficient is different.
Specifically, being passed when synchronous belt 5 drives experimental rig to be moved to the left using the pulling force that 14 left side of support baseboard is arranged in
Sensor 10 is detected, and the data of tension sensor 10 are uploaded to electronic control unit;Synchronous belt 5 drives experimental rig to move right
When dynamic, detected using the tension sensor 10 that 14 right side of support baseboard is arranged in, and will be in the data of tension sensor 10
Reach electronic control unit 1.Preferably lateral pull value can be detected in this way, improve data reliability.
Further, the experimental rig includes test plate 15, and the test plate 15 is horizontally disposed, the test board
Material 15 is removably fixedly mounted on the support baseboard.
It in this way, test plate is provided with several, can be replaced, before on-test, be placed in fixed barrel solid
Liquid two-phase bulk material, fixed barrel lower end are contacted with test plate upper surface, the solid-liquid two-phase bulk material in fixed barrel
Setting is contacted with test plate upper surface, solid-liquid two-phase bulk material of the press perpendicular oil cylinder into fixed barrel applies permanent later
Determine pressure at right angle value, synchronous belt movement drives support baseboard movement, and support baseboard drives test plate mobile, utilizes pull sensing
Device detects lateral pull value, and velocity sensor detects the velocity amplitude of synchronous belt, by pressure at right angle value, lateral pull value and velocity amplitude
Pass electronic control unit back, final electronic control unit calculates according to pressure at right angle value, lateral pull value and velocity amplitude and generates solid-liquid two-phase
Coefficient of maximum static friction and the coefficient of sliding friction between bulk material and test plate is with vertical positive power, speed of related movement
Between variation rule curve figure.Specifically, solid-liquid two-phase bulk material involved in this patent is mixed for compressible solid-liquid two-phase
Close bulk material.The moisture content of compressible solid-liquid two-phase bulk material is different, causes its surface between test plate attached
Put forth effort difference, therefore influences its skin-friction coefficient between test plate;Meanwhile moisture content is different, with test board
The movement speed of material is different, and the adhesive force between test plate is also different, so that its surface between test plate is rubbed
It is also different to wipe coefficient.After experiment, experimenter according to the different test movement speeds of plates, press perpendicular oil cylinder it is vertical
Changing rule between the lateral pull value of the moment of pressure value and test plate from static to mobile obtains maximum static friction
Coefficient;Experimenter is according to the movement speed of different test plates, the pressure at right angle value of press perpendicular oil cylinder and tests plate
Changing rule between the lateral pull value of uniform motion obtains the coefficient of sliding friction.The moisture content of solid-liquid two-phase bulk material is not
Together, the pressure at right angle value of press perpendicular oil cylinder is different, and the movement speed of synchronous belt is different, and obtained skin-friction coefficient is different.
Specifically, being additionally provided with test plate cleaning device 25, test plate cleaning device 25 includes support, the support
General pipeline 252 is installed, the support 251 is equipped with column upwards, and the upper end of the column level frame is equipped with transverse tube 255, institute on 251
It states and is connected to setting between transverse tube 255 and the general pipeline 252, the side of the 255 face synchronous belt 5 of transverse tube is provided with sparge pipe
253.In this way, being passed through high pressure water in general pipeline, high pressure water enters transverse tube along general pipeline, is ejected into test plate after entering sparge pipe later
On, after cleaning, using air blower drum hot wind, drying cleaning is carried out to test plate water remained on surface, avoids remaining
Water follow-up test result is had an impact, improve frictional behavior detection reliability.During the test, synchronous belt, which drives, surveys
Test plate (panel) material is mobile, and synchronous belt can move back and forth, and test plate is driven to carry out test of many times.Preferably to improve testing result standard
True property, ordinary test 2 times are clean once with water.Further, it is set between general pipeline and support by the connection of clip 254
It sets.
Further, the experimental rig includes the mobile barrel 24 being fixedly mounted on the support baseboard, the shifting
Dynamic 24 upper end opening of barrel setting, the mobile barrel 24 are consistent with fixed 20 diameter of barrel.
In this way, mobile barrel is fixedly mounted on support baseboard, before on-test, solid-liquid two-phase bulk material is placed on
In fixed barrel and mobile barrel, mobile the top of the barrel and fixed barrel lower end face and setting is contacted, press perpendicular is oily later
Solid-liquid two-phase bulk material of the cylinder into fixed barrel applies constant perpendicular pressure value, and synchronous belt movement drives support baseboard fortune
Dynamic, support baseboard drives mobile barrel mobile, so that fixed barrel and mobile barrel generate dislocation in the vertical direction, utilizes drawing
Force snesor detect lateral pull value, velocity sensor detect synchronous belt velocity amplitude, by pressure at right angle value, lateral pull value and
Velocity amplitude passes electronic control unit back, and final electronic control unit is calculated according to pressure at right angle value, lateral pull value and velocity amplitude and generated solid
Liquid two-phase bulk material coefficient of internal friction is with the variation rule curve figure between vertical positive power, speed of related movement.Specifically,
Bulk material involved in this patent is compressible solid-liquid two-phase mixtures bulk material.Compressible solid-liquid two-phase bulk material
Moisture content is different, causes the adhesive force between solid-liquid two-phase bulk material different, therefore influence its coefficient of internal friction;Meanwhile
Moisture content is different, and the movement speed with mobile barrel is different, and inner surface coefficient of friction is also different.After experiment, experiment
Personnel are according to the movement speed of mobile barrel, the pressure at right angle value of press perpendicular oil cylinder and mobile barrel from static to mobile
The changing rule between lateral pull value after the lateral pull value of moment and mobile barrel uniform motion obtains coefficient of internal friction.
The moisture content of solid-liquid two-phase bulk material is different, and the pressure at right angle value of press perpendicular oil cylinder is different, and the movement speed of synchronous belt is not
Together, the internal friction factor obtained is different.
Further, the sliding equipment includes the sliding block 13 for being fixedly mounted on the support baseboard lower end, the sliding block
13 are internally provided with rolling element, and the rolling element lower end is located at below 13 lower surface of sliding block, horizontal on the main machine base 8
It is provided with guide rail 12, the rolling element of the sliding block 13 rolls cooperation on the guide rail 12.
In this way, support baseboard is slidably mounted on main machine base, the frictional force between it can be preferably reduced, improves examination
Test the accuracy of result.Specifically, sliding block is provided with 8, and sliding block is bolted to connection with support baseboard lower end.
Further, the movement mechanism includes servo motor 3, active synchronization belt wheel 18 and driven synchronous pulley 17, institute
It states servo motor 3 to be fixedly mounted on motor mount 4, the output shaft of the servo motor 3 passes through shaft coupling 19 and the master
Dynamic synchronous pulley 18 couples, and the active synchronization belt wheel 18 and driven synchronous pulley 17 are arranged in 5 transmission direction of synchronous belt
Both ends, the active synchronization belt wheel 18 is rotatably installed on motor mount 4, and the driven synchronous pulley 17 is rotatably installed in
In driven pulley mounting base 16.
In this way, servo motor acts, active synchronization belt wheel rotation is driven by shaft coupling, is driven by the transmission of synchronous belt
Driven synchronous pulley rotation, so that synchronous belt is mobile with constant speed, and using velocity sensor to the movement speed of synchronous belt
It is detected, and velocity amplitude is delivered to electronic control unit.
Further, the press perpendicular oil cylinder 21 is fixedly mounted on cylinder installation seat 22, the cylinder installation seat 22
Both ends are detachably fixed with the mainframe 11 and connect.
In this way, being provided with cylinder installation seat, the installation of press perpendicular oil cylinder is facilitated to fix.
Further, strip-shaped hole is vertically provided on the mainframe 11, the cylinder installation seat 22 is bolted
It is mounted in institute's strip-shaped hole.
In this way, can according to need the height of adjustment cylinder installation seat, and then press perpendicular oil cylinder lower end is adjusted,
Facilitate the installation and replacement of test plate or mobile barrel.
Further, the press perpendicular oil cylinder 21 connect setting, the liquid pumping plant 2 by pipeline with hydraulic power unit 2
It is integrated with pressure sensor, the pressure sensor is electrically connected setting with the electronic control unit 1.
In this way, hydraulic power unit is used to apply press perpendicular oil cylinder constant pressure, and the pressure integrated by hydraulic power unit
Pressure at right angle value is delivered to electronic control unit by sensor.
Further, the electronic control unit 1 includes electronic computer and the electricity that setting is electrically connected with the electronic computer
Control cabinet component, the hydraulic power unit 2, pressure sensor, velocity sensor 7, tension sensor 10, servo motor 3 respectively with institute
State the electrical connection setting of power control cabinet component.
In this way, electronic control unit is used to control the constant rotational speed that hydraulic power unit exports constant pressure, servo motor output, together
When can receive the signal of pressure sensor, velocity sensor and tension sensor, improve the reliability of whole device.
Further, 11 two sides of mainframe are fixedly connected by support rod 9 with main machine base 8.
In this way, support rod can preferably improve the stability under loading of mainframe, while guaranteeing the flatness of main machine base.
Specifically, the friction co-efficient value of experimental rig itself is needed to be removed before test.Removing method is as follows:
Solid-liquid two-phase bulk material is not added in fixed barrel, two are installed on the piston bottom plate of the piston-rod lower end of press perpendicular oil cylinder
Pulley is pressed on test plate, and then mobile test plate, measures coefficient of friction.Friction co-efficient value after test is rejected again
The friction co-efficient value of device itself just obtains solid-liquid two-phase bulk material and tests the friction co-efficient value of plate.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that;It still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement;And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of solid-liquid two-phase bulk material experiment of friction performance device, which is characterized in that including electronic control unit, synchronous belt and
Movement mechanism, two tension sensors, support baseboard, press perpendicular oil cylinder, main machine base for driving synchronous belt to move, institute
It states synchronous belt to be horizontally disposed with, the upper layer of the synchronous belt disconnects and the both ends disconnected are connected separately with tension sensor, two institutes
It states and is fixedly connected between tension sensor by support baseboard, the main machine base is horizontally disposed, installs on the main machine base
There is a formula level meter, the support baseboard lower end is slidably fitted in the support base by sliding equipment level, the branch
Support pedestal is arranged between the upper and lower of the synchronous belt, and the main machine base is located at the two sides point in toothed belt transmission direction
It is not fixedly installed with mainframe upwards, the press perpendicular oil cylinder is removably fixedly mounted on the mainframe and described hangs down
The piston rod of straight pressurization oil cylinder is arranged vertically downwards, and the piston-rod lower end is fixedly installed with horizontally disposed piston bottom plate, institute
It states and is also fixedly installed with fixed barrel on mainframe, the fixed barrel both ends open setting, the fixed barrel face setting
Below the piston rod, it is provided on the support baseboard for carrying out experiment of friction performance to solid-liquid two-phase bulk material
Experimental rig;It further include the velocity sensor detected for the speed to synchronous belt, the synchronous belt side is provided with survey
Fast sensor installation seat, the velocity sensor are fixedly mounted in the velocity sensor mounting base, the tension sensor,
Movement mechanism, velocity sensor and press perpendicular oil cylinder are electrically connected setting with the electronic control unit.
2. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 1, it is characterised in that: described
Experimental rig includes test plate, and the test plate is horizontally disposed, and the test plate is removably fixedly mounted on described
On support baseboard.
3. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 1, it is characterised in that: described
Experimental rig includes the mobile barrel being fixedly mounted on the support baseboard, the mobile the top of the barrel opening setting, described
Mobile barrel is consistent with the fixed barrel diameter.
4. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 3, it is characterised in that: described
Sliding equipment includes the sliding block for being fixedly mounted on the support baseboard lower end, and the sliding block is internally provided with rolling element, the rolling
Kinetoplast lower end is located at below the sliding block lower surface, and being horizontally disposed on the main machine base has guide rail, the rolling element of the sliding block
Cooperation is rolled on the guide rail.
5. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 4, it is characterised in that: described
Movement mechanism includes servo motor, active synchronization belt wheel and driven synchronous pulley, and the servo motor is fixedly mounted on motor peace
It fills on seat, the output shaft of the servo motor is coupled by shaft coupling with the active synchronization belt wheel, the active synchronization belt wheel
The both ends in the toothed belt transmission direction are set with driven synchronous pulley, and the active synchronization belt wheel is rotatably installed in motor peace
It fills on seat, the driven synchronous pulley is rotatably installed in driven pulley mounting base.
6. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 5, it is characterised in that: described
Press perpendicular oil cylinder is fixedly mounted on cylinder installation seat, and the cylinder installation seat both ends and the mainframe are detachably fixed company
It connects.
7. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 6, it is characterised in that: described
Strip-shaped hole is vertically provided on mainframe, the cylinder installation seat is mounted by means of bolts in the strip-shaped hole.
8. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 7, it is characterised in that: described
Press perpendicular oil cylinder connect setting by pipeline with hydraulic power unit, and the liquid pumping plant is integrated with pressure sensor, the pressure
Sensor is electrically connected setting with the electronic control unit.
9. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 8, it is characterised in that: described
Electronic control unit includes electronic computer and is electrically connected the power control cabinet component of setting with the electronic computer, the hydraulic power unit,
Pressure sensor, velocity sensor, tension sensor, servo motor are electrically connected setting with the power control cabinet component respectively.
10. a kind of solid-liquid two-phase bulk material experiment of friction performance device according to claim 9, it is characterised in that: institute
It states mainframe two sides and is fixedly connected by support rod with main machine base.
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