CN106596333A - Rheological measurement equipment for materials and using method thereof - Google Patents
Rheological measurement equipment for materials and using method thereof Download PDFInfo
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- CN106596333A CN106596333A CN201611032951.2A CN201611032951A CN106596333A CN 106596333 A CN106596333 A CN 106596333A CN 201611032951 A CN201611032951 A CN 201611032951A CN 106596333 A CN106596333 A CN 106596333A
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- pulley
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- counterweight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N2011/006—Determining flow properties indirectly by measuring other parameters of the system
- G01N2011/0093—Determining flow properties indirectly by measuring other parameters of the system thermal properties
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the research field of liquid-state and semi-solid state materials rheological features and provides rheological measurement equipment for materials and a using method thereof. In the prior art, when the rheological features of materials are measured, a spring scale is manually pulled upwards for loading, and loading intensity, loading temperature and displacement collecting stability is quite poor. The rheological measurement equipment comprises a temperature-control oil bath device, a weight automatic loading device, a balance device, a displacement measurement device, a sample holder lifting device, a slice clamp, a slice, a sample box, a machine frame and a protective cover, wherein the temperature-control oil bath device, the sample holder lifting device, the balance device, the weight automatic loading device and the protective cover are installed on the machine frame, the displacement measurement device and the sample box are installed on the sample holder lifting device, the slice clamp is connected to the balance device, and the slice is installed on the slice clamp. By the adoption of the rheological measurement equipment, during measurement, loading intensity, loading temperature and displacement collecting are kept well stable.
Description
Technical field
The invention belongs to the research field of liquid and semi-solid material rheology characteristic, is particularly suited for measuring liquid and half admittedly
The rheology characteristic of state material material under given temperature, stress.
Background technology
Flow graph is the instrument for determining material rheological property, and the rheological equationm of state is then that a certain material is shown as to external force
Elasticity and viscosity double grading, i.e. viscoelasticity.Wherein, the flowing of viscosity tie substance, it is relevant with material property inherently,
For non-reversible deformation process；To jobbie impressed pressure, the change that the shape and volume of its internal each several part occur is then bullet
Property, it is reversible deformation process.
Flow graph visible on the market is divided into rotational rheometer, capillary rheometer, torque rheometer and Interface Current at present
Become instrument.Wherein, rotational rheometer is most widely used, it is adaptable to which non-Newtonian fluid (is unsatisfactory for the fluid of newton stickiness experimental laws, i.e.,
The fluid of linear relationship, such as oil, Colophonium, paint, coating between its shear stress and shear strain) test.Rotating flow
It is in the case of stable or speed change to measure moment of torsion to become instrument, physical quantity is converted into rheol parameter with the fixture factor, according to folder
The difference of tool, can determine the sample of different viscosities.
Capillary rheometer and torque rheometer are mainly used in the rheological property for determining high polymer.Capillary rheometer can be surveyed
Determine the viscosity and rheological flow activation of high polymer molten, torque rheometer can determine the heat stability of high polymer, shear stability, stream
Dynamic and curing action, its maximum feature is can be during similar reality processing, continuous, rheology accurately and reliably to system
Performance is measured.Both flow graphs compared with rotational rheometer, can determination sample scope it is relatively small.
Interfacial rheometer is different from above-mentioned three kinds of flow graphs, is the instrument for determining interfacial viscoelasticity.According to work side
Formula difference can be divided into Interfacial dilational rheology instrument, interface shearing flow graph and interfacial dilation flow graph.Interfacial dilational rheology instrument is
By using microsyringe, the bubble or drop of a suspension are injected in the solution, so as to build gas-liquid interface or Ye Ye circle
Physical quantity, by bubble or the mechanical periodicity of droplet size, is converted into rheological parameters by face, can be obtained expansion modulus, be glued
Property (elasticity) modulus, phase angle.Interface shearing flow graph and interfacial dilation flow graph are then in a solution tank to build upper and lower two
The interface of layer contact, the former is similar with rotational rheometer, is measured by rotor shearing, and the latter is then by hanging piece at interface
Upper lifting, by the change for hanging sheet weight, is converted to rheological parameters.
Rotational rheometer and interfacial rheometer, have relatively broad application in Colophonium and emulsified asphalt research.But interface
Flow graph, especially interfacial dilation flow graph, are typically all to carry out being pulled up with spring scale using manually-operated method at present
Mode load withdrawal force, because of defects such as the born unmanageable stretching of spring, retraction, resiliences, cause the power pole for loading not
It is stable, displacement acquisition bad stability is also caused indirectly, and because artificial operation so that heating process is exposed to extraneous ring
Border, causes temperature extremely unstable.It is contemplated that overcome drawbacks described above, it is at present, special in liquid and semi-solid material rheology
The research field levied, also without and the similar measuring apparatus of the present invention, therefore, application of the present invention in the field has very strong urgent
Research and development for the field is played positive, effective impetus by cutting property.
The content of the invention
It is an object of the invention to provide a kind of material flowing deformation measuring apparatus, to：For liquid and semi-solid material (bag
Include but be not limited to Colophonium, asphalt mastic, asphalt etc.), at the temperature, stress at given (constant), measure rheology
Feature, mainly solves the problems, such as that loading force, temperature and displacement acquisition etc. are unstable, stable, a large amount of, continuous eventually through obtaining
Test data, with development test material flowing deformation feature, while making data drawing list as needed.
For achieving the above object, the present invention provides a kind of material flowing deformation measuring apparatus, and its measuring principle is：By test material
It is placed in sample box, and vertically buries a thin slice at its center, then applies a constant withdrawal force on thin slice, make thin slice
The shear stress of one homogeneous constant is produced to the test material in sample box, is unloaded after keeping certain hour, and Real-time Collection is thin
After displacement and unloading are extracted in immediate movement after piece stress, thin slice, thin slice replys displacement over time, Jing data processings, from
Dynamic " strain-time " curve for generating test overall process.
Technical scheme is as follows：
A kind of material flowing deformation measuring apparatus, including a temperature-regulated oil bath device, a counterweight automatic loading device, a balance dress
Put, a displacement measuring device, a specimen mounting lowering or hoisting gear, a plate holder, a thin slice, a sample box, a frame, a protection
Cover, wherein the temperature-regulated oil bath device is installed on the frame, the specimen mounting lowering or hoisting gear is installed on the frame, institute's rheme
Measuring system is installed on the specimen mounting lowering or hoisting gear, and the sample box is installed on the specimen mounting lowering or hoisting gear, described flat
Weighing apparatus device is installed on the frame, and the plate holder is connected to the side of the bascule, and the counterweight loads dress automatically
Put and be installed on the frame, and the bascule both sides are occupy respectively with the plate holder, the detachable peace of affiliated thin slice
On the plate holder, the protective cover is closely coupled on the frame, and together surrounds whole with the frame
The individual material flowing deformation measuring apparatus.
Wherein, the temperature-regulated oil bath device include a fuel tank, a heating tube group, a cooling tube group, an at least agitator, one
Heat-insulation layer and a temperature regulating device, the heating tube group are uniformly arranged on the inside of fuel tank with the cooling tube group, the agitator
The fuel tank internal is installed on, the heat-insulation layer then closely surrounds fuel tank, the heating tube group, cooling tube group and the stirring
Device is all connected to the temperature regulating device, is run by temperature regulating device control.
In addition, the heat-insulation layer should effectively completely cut off the heat exchange of oil bath material and the external world；The agitator should be at described
Fuel tank can be loaded in the space of oil bath material, and in its rotation or whipping process, speed is appropriate, and dynamics is softly not to make oil bath material
Material splashes, if multiple stirrer combinations, it should agitator is mutually adapted when running and do not collide；The heating tube group, institute
State cooling tube group and the agitator is connected to the temperature regulating device with signal of telecommunication transfer mode respectively, by the temperature regulating device
Control the running status of the heating tube group, the cooling tube group and the agitator：The heating tube group and the stirring
Device is run simultaneously, and the cooling tube group is out of service, and oil bath material thermally equivalent can be made to heat up；The cooling tube group is stirred with described
Device is mixed while running, the heating tube group is out of service, and oil bath material settling out can be made uniformly to cool.
Wherein, the specimen mounting lowering or hoisting gear includes a specimen mounting, a specimen mounting lifting drive, and the specimen mounting drives
Dynamic device is installed on the frame, and the specimen mounting is installed on the specimen mounting lifting drive, and the specimen mounting lifting is driven
Dynamic device drives the specimen mounting to move up and down.
Wherein, the sample box and the specimen mounting detachable connection, after both connections, the sample box is just to described
Fuel tank center, the sample box move into the specimen mounting, remove the fuel tank.So, the sample box is put into the fuel tank
In, so that it may in fuel tank center, to ensure which is heated evenly.
Wherein, institute's displacement measurement device includes a displacement transducer, a column, a fixing rack for sensor and a locking
Device, the uprights vertical are installed on the specimen mounting, and institute's displacement sensors are installed on the fixing rack for sensor, institute
State fixing rack for sensor packaged type to be connected on the column, the locking device can be used to fasten the column with it is described
Fixing rack for sensor.
Wherein, the bascule include an assembly pulley, a pulley line, a weight tray, a balance adjustment counterweight and
One pulley bracket, the pulley bracket are fixed on the frame, and the assembly pulley is installed on the pulley bracket, the pulley line
The assembly pulley is bypassed, described pulley line one end vertically connects the plate holder, and the other end vertically connects the weight tray
And the balance adjustment counterweight, the pulley line is light and smooth.It is stable in order to ensure the pulley line, the balance dress
The assembly pulley neighboring put can set chute, but will guarantee pulley line smooth without hindrance, the resistance of slip by the pulley line mosaic wherein
It is minimum.
Wherein, the plate holder includes the contact of a measurement column, the measurement column and institute's displacement sensors just to peace
Dress, when the plate holder receives the pull-up of vertical tension upwards of the pulley line for being connected, the measurement column is vertically supported upwards
Push away the contact of institute's displacement sensors, contact resilience when pulling force is reduced, institute's displacement measurer record contact displacement.
Wherein, the counterweight automatic loading device includes a loading counterweight, a loading pallet and a charger, described
Loading pallet is installed on the charger, and the loading counterweight is placed in the loading pallet, and the charger drives
The loading pallet is moved up and down so that the loading counterweight is placed, departs from the weight tray, the loading counterweight and institute
State weight tray center alignment.
Wherein, the frame has a frame door, and the protective cover is just being pulled and a side sliding door with one.Open described
Frame door can be dismantled, adjust the parts such as the fuel tank, the specimen mounting lowering or hoisting gear motor, the Timing Belt, affiliated belt wheel；
The protective cover should be totally-enclosed when equipment runs, but do homework or during round-off work, opening described just sliding door can
To dismantle, adjust institute's displacement measurement device, the detachable sample box, the plate holder, opening the side sliding door can
To adjust the balance adjustment counterweight, loading counterweight weight etc..
Further, the heating tube group is uniformly arranged in the tank bottoms, and the cooling tube group is uniformly arranged in institute
Four wall on the inside of fuel tank is stated, the agitator is dasher, totally 2, is symmetrically distributed in the fuel tank internal.
Further, the sample box is cylinder.
Further, the assembly pulley includes at least one pulley, and it is described that the pulley line bypasses the assembly pulley connection
When plate holder is with the balance adjustment counterweight and the weight tray, the Impact direction at the pulley line two ends is only along gravity
Vertically.
Further, the bascule also includes the brake of a balanced pointers, a graduated disc and a pulley, the pulley
Brake is installed on the pulley bracket and presses close to the edge of arbitrary pulley in the assembly pulley, and the pulley brake can be used to brake
Faster pulley, the balanced pointers are fixed on one of assembly pulley pulley, and both synchronous axial systems, the graduated disc are fixed on institute
Pulley bracket is stated, the balanced pointers are indicated in the graduated disc.
Further, the sample box arranges an at least draw ring so that convenient when installing or dismantle and capturing.
Further, the sample box arranges a rotary buckle, and the specimen mounting is correspondingly arranged a fixed seat, the sample
Box is with the specimen mounting by the rotary buckle and the fixed seat detachable connection.
Further, the charger is automatic screw lift.
Further, the specimen mounting lifting drive is automatic screw lift.
Further, the frame front is also equipped with a monitoring table, and the monitoring table is connected with the temperature regulating device, is being set
Oil bath temperature is shown when received shipment turns.
Further, the frame also includes at least four balance supports, and the balance support is installed on the frame ground
Portion, balances to adjustment equipment.
Further, the plate holder also include an extension adjustment device, stretch under the thin slice of adjustable holding away from
From so as to control to insert the depth of the built-in test material of the sample box.
Further, also including an electrical control gear, the electrical control gear connects institute's displacement measurement dress respectively
Displacement transducer, the temperature regulating device and the counterweight automatic loading device put, and send instruction, receive feedback and raw
Into data drawing list.
The using method of the equipment is as follows：
A) thin slice is installed on into the plate holder, and to adjust and distance is stretched under the thin slice；
B) adjust the bascule and be at poised state；
C) sample box for being loaded into appropriate test material is installed on the specimen mounting, and is lifted by the specimen mounting
Driving means are dipped in the fuel tank equipped with oil bath material, its immersion oil bath depth want guarantee test material in liquid condition when
Liquid level line is equal to or less than the liquid level line of oil bath material, while ensureing that oil bath material is not flowed in the sample box；
D) electrical control gear is opened, carries out equipment preheating, and the electrical control gear is surveyed with the displacement
Amount device, the counterweight automatic loading device and the temperature regulating device are online；
E) target temperature is set in the electrical control gear, after material softening to be tested (being in semisolid or liquid)
The thin slice is inserted into test material；
F) test temperature is set in the electrical control gear, makes oil bath temperature keep stable；
G) fill in electrical control gear, the loading counterweight weight, test temperature, test period, batch etc. are set
Parameter；
H) according to aforementioned filled in loading counterweight weight, the loading counterweight is positioned over into described adding by the side sliding door
Carry on pallet；
I) adjusting institute's displacement sensors makes its contact be pressed on the measurement column, and mortgage degree is moderate；
J) order the electrical control gear to be tested, and data processing is carried out by the electrical control gear, it is raw
Into chart and laboratory report (guarantee during test it is described just pull, side sliding door etc. is closed, done by external environment in reducing measurement process
Degree of disturbing)；
K) make oil bath be cooled to room temperature by electrical control gear arrestment operation, arrange equipment.
By the technical scheme for implementing the above, it is possible to obtain following technique effect：
First, protected by the frame and the protective cover of closed, can make equipment running process not by the external world
Disturb so as to obtain accurate data；
Second, the cylindrical conformation of the sample box, the temperature regulating device and the cooling tube group, the heating tube group,
The equipment such as the heat-insulation layer, the agitator can ensure that the temperature of test material keeps stable or steady change, it is ensured that experiment
Data accuracy；
3rd, the bascule can be used to the balance before on-test and check, so that it is guaranteed that the final institute of the thin slice
The withdrawal force upwards received is equal to the weight of the loading counterweight, it is ensured that the accuracy of test data；
4th, the form hole arranged in the extension adjustment device of the plate holder, and the specimen mounting can be with
Adjustment, the depth for observing the thin slice insertion test material, it is ensured that insertion depth is suitable, so as to ensure the thin slice with test material
Active force between material is abundant, so as to the accuracy of guarantee test；
5th, institute's displacement sensors adopt amesdial, high heat resistant type, it is also possible to guarantee the accuracy of the data obtained, steady
It is qualitative；
6th, the draw ring on the sample box can cause the handling of the sample box, lifting convenient；
7th, the detachable connection of the plate holder and the thin slice, also so that thin slice cleaning up is convenient,
Beneficial to secondary use；
8th, the packaged type connection between the fixing rack for sensor and the column, also so that the displacement sensing
The adjustment of the distance between device and described measurement column of the plate holder is more convenient, controllable；
9th, the counterweight automatic loading device adopts machine automatization controlled loading, rather than manual loading, can reduce and think
Operate for the impact of counterweight loading, also to carry out in the case of closed counterweight loading there is provided may, this is all conducive to counterweight
The accuracy of loading procedure, stability, so that it is guaranteed that the accuracy of test, stability；
Tenth, connected using revotating card button between the sample box and the specimen mounting, not only facilitated but also firm；
11st, the monitoring table in the frame can be used to monitor in real time oil bath temperature, aobvious also dependent on needing
Show the numerical value required for other, such as shift value etc.；
12nd, whole equipment adopts electrical control gear, integrated ground Control experiment process, including test temperature, weight
Code loading etc. process so that process of the test it is more convenient to operate；In addition the electric control system can also in real time, continuously
The mass data fed back by recording equipment each several part, and carry out automatically computing using built-in computer and draw a diagram, improve
Test efficiency.
Description of the drawings
Fig. 1 is measuring principle figure of the present invention.
Fig. 2 is front view of the present invention (opening the door, specimen mounting raised configuration).
Fig. 3 is front view of the present invention (closing the door, specimen mounting low-end trim).
Fig. 4 is thin slice installation diagram of the present invention.
Fig. 5 is inventive samples box installation diagram (sample box is lowered into buckle, is rotated by 90 °, i.e. fixation is completed).
Fig. 6 is displacement measuring device figure of the present invention.
In figure, reference is as follows with the corresponding relation for referring to element：
1- frame 1-1 balance support 1-2 frame door 2- protective covers 2-1 are just pulling 2-2 side sliding door 3- temperature-regulated oil baths
Device 3-1 fuel tank 3-2 heat-insulation layer 3-3 heating tube group 3-4 cooling tube group 3-5 agitator 3-6 temperature regulating device 4- sample boxs
4-1 rotary buckle 4-2 draw ring 5- plate holder 5-1 extension adjustment device 5-2 lock-screw 5-3 adjusting rods 5-4 is measured
Post 6- thin slice 7- specimen mounting lowering or hoisting gear 7-1 specimen mounting 7-2 specimen mounting lifting drive 7-3 specimen mountings lowering or hoisting gear electricity
Machine 7-4 belt wheel 7-5 Timing Belt 7-6 fixed seat 7-7 forms hole 8- bascule 8-1 assembly pulley 8-2 pulley line 8-3 weights
Code pallet 8-4 balance adjustment counterweight 8-5 pulley bracket 8-6 pulley brake 8-7 balanced pointers 8-8 graduated disc 9- counterweights are certainly
Dynamic charger 9-1 loading counterweights 9-2 loading pallet 9-3 charger 10- displacement measuring device 10-1 displacement transducers
10-2 column 10-3 fixing rack for sensor 10-4 locking device 11- electrical control gears 12- monitors table
Specific embodiment
Hereinafter describe for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in below describing
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.Define in the following description
The present invention ultimate principle can be incorporated in other embodiments, deformation program, improvement project, equivalent and without carry on the back
From the other technologies scheme of spirit and scope of the invention.
As shown in Figures 1 to 5, the material flowing deformation measuring apparatus according to designed by spirit of the invention will obtain detailed taking off
Dew and description.As shown in Fig. 2 material flowing deformation measuring apparatus include：
One frame 1, a protective cover 2, a temperature-regulated oil bath device 3, a sample box 4, a plate holder 5, specimen mounting lifting
Device 7, a bascule 8, a counterweight automatic loading device 9, a displacement measuring device 10 and an electrical control gear 11.
Wherein, frame 1 includes a balance support 1-1, a frame door 1-2, and balance support 1-1 is installed on below support, uses
Reach in adjustment whole equipment and stablize, frame door 1-2 is then installed on 1 front surface of frame, open frame door 1-2 and can adjust
Whole, detaching equipment internal structure, it is also possible to load, take out the materials such as oil bath material；Protective cover 2 is connected on frame 1, at which
In full closeding state, surrounding is lucite, and top is aluminium alloy plate, and 2 front surface of protective cover is provided with one and is just pulling 2-1, side
Face is equipped with a side sliding door 2-2, opening just pulling 2-1 or side sliding door 2-2 detachable, adjustment internal mechanical structure or filling,
Take out the materials such as test specimen, counterweight.Frame 1 and the design of protective cover 2, can both protect internal measurement equipment, and ensure to survey
External interference is not received during examination, it is also possible to reach effect attractive in appearance.
Wherein, temperature-regulated oil bath device 3 is also including an a fuel tank 3-1, temperature regulating device 3-6, a set of heating tube group 3-3, a set of
Cooling tube group 3-4 and two agitator 3-5 (being dasher 3-5), fuel tank 3-1 week portions are provided with a heat-insulation layer 3-2,
Isolation oil bath material and extraneous heat exchange, heating tube group 3-3 are uniformly arranged in fuel tank 3-1 inwalls with cooling tube group 3-4, stir
Device 3-5 is symmetrically distributed in the space that fuel tank 3-1 can load oil bath material, to improve temperature even speed, improves test efficiency.
Heating tube group 3-3, cooling tube group 3-4 and agitator 3-5 are connected to temperature regulating device 3-6 with circuit mode respectively, are filled by temperature control
Put the running status of 3-6 control heating tube groups 3-3, cooling tube group 3-4 and agitator 3-5：Heating tube group 3-3 and agitator 3-
5 run simultaneously, and cooling tube group 3-4 is out of service, and oil bath material thermally equivalent can be made to heat up；Cooling tube group 3-4 and agitator 3-5
Run simultaneously, heating tube group 3-3 is out of service, and oil bath material settling out can be made uniformly to cool.In order that heating tube group 3-3 with
Do not cold and heat succeed each other between cooling tube group 3-4 impact, destroys respective performance and even produces the accident such as burst, therefore heating tube group
3-3 is uniformly arranged in fuel tank 3-1 inside bottoms, and cooling tube group 3-4 is uniformly arranged in fuel tank 3-1 surrounding inwalls.Fuel tank 3-1 materials
Should be using fusing point height, the metal of good heat conductivity, herein using copper alloy；Oil bath test material should select high temperature heat conductive oil, such as
The present embodiment can select dimethicone, and its temperature reaches as high as 300 DEG C, it is sufficient to which the measurement temperature for meeting test material is required.
Wherein, specimen mounting lowering or hoisting gear 7 includes a specimen mounting 7-1, a specimen mounting lowering or hoisting gear motor 7-3, a belt wheel 7-4
And a Timing Belt 7-5, specimen mounting 7-1 lifting motors driven type connection belt wheel 7-4, Timing Belt 7-5 driven types connection belt wheel 7-4
And after specimen mounting 7-1, specimen mounting 7-1 lifting motor starts, delivery type is with movable belt pulley 7-4, Timing Belt 7-5 and sample successively
Frame 7-1.
Wherein, a rotary buckle 4-1 is provided with sample box 4, this sample box 4 takes rotary buckle 4-1 with specimen mounting 7-1
Formula connects, therefore fixed seat 7-6 is correspondingly arranged on specimen mounting 7-1, and specimen mounting 7-1 has various different connections from sample box 4
Form, is preferably attached by the way of 4 bottom of sample box arranges rotary buckle 4-1 in the present embodiment：Such as Fig. 4, sample box 4
Bottom arranges rotary buckle 4-1, and corresponding fixed seat 7-6 is provided with specimen mounting 7-1, when specimen mounting lowering or hoisting gear 7 is by sample
After frame 7-1 is risen from fuel tank 3-1, rotary buckle 4-1 is docked with fixed seat 7-6 on specimen mounting 7-1, both are relative
It is rotated by 90 °, firmly links together.Additionally, sample box 4 is made using the good copper alloy of heat conductivility.Additionally, aforementioned examination
Sample rack lowering or hoisting gear 7, which should be enough to make the part specimen mounting 7-1 height equipped with fixed seat 7-6 fuel-displaced when elevation operation is carried out
Case 3-1, loads and unloads sample box 4 in order to operator；And when specimen mounting lowering or hoisting gear 7 declines, then should make equipped with sample box 4 that
Aliquot frame 7-1 energy major parts sink to oil bath material, and are unlikely to pour into oil bath material.Two drawings are provided with sample box 4
Ring 4-2, is taken with facilitating.
Wherein, plate holder 5 (see Fig. 3) includes extension adjustment device 5-1, and extension adjustment device 5-1 is by a lock herein
Tight screw 5-2 and adjusting rod 5-3 compositions, lock-screw 5-2 is for will be thin slice 6 vertical and be securely fixed in plate holder
5 lower ends, upper parts of the adjusting rod 5-3 through plate holder 5, adjusting rod 5-3 are connected using screw-type with 5 top half of plate holder
Connect, adjusting rod 5-3 is connected with movable inlaying with 5 the latter half of plate holder, and upper and lower two parts are opposing parallel, but can be with
The precession of adjusting rod 5-3 or fine jade go out and adjust the relative position at two positions, so as to have adjusted the phase of thin slice 6 and plate holder 5
To position.
Wherein, bascule 8 includes an assembly pulley 8-1, a pulley line 8-2, a weight tray 8-3, a balance adjustment weight
A code 8-4 and pulley bracket 8-5.Pulley bracket 8-5 is fixedly installed at the top of frame 1, and assembly pulley 8-1 is (referred to using list
One pulley) pulley bracket 8-5 tops are installed in rotatable manner, both adopt rolling bearing to connect to reduce friction, pulley line
Among chutes of the 8-2 using the embedded assembly pulley 8-1 peripheries of seizing wire, mono- section of pulley line 8-2 is fixedly connected plate holder 5,
The other end is connected to weight tray 8-3 and balance adjustment counterweight 8-4, and two ends are naturally drooped along gravity, balance adjustment weight
Code 8-4 is consistent with the center of gravity of weight tray 8-3 and is parallel to each other, and installs pulley brake 8-6 in addition on pulley bracket 8-5, sliding
Balanced pointers 8-7 are installed in the wheel group 8-1 center of circle, and both of which is used for adjustment.
Wherein, displacement measuring device 10 (see Fig. 5) is solid including a displacement transducer 10-1, a column 10-2, a sensor
Determine a frame 10-3 and locking device 10-4.Column 10-2 is vertical and is securely mounted on specimen mounting 7-1, displacement transducer
10-1 is installed on affiliated fixing rack for sensor 10-3, and fixing rack for sensor 10-3 is installed on by locking device 10-4
On column 10-2.It should be noted that aforementioned sheet fixture 5 also sets up a measurement column 5-4, both are fastenedly connected, and displacement
The contact of sensor 10-1 is then correspondingly arranged with measurement column 5-4, when the pulley line 8-2 of the connection of plate holder 5 vertically lifts,
Measurement column 5-4 will drive the contact of displacement transducer 10-1, makes contact produce a bit of displacement, and is displaced by sensor 10-1 notes
Record is got off.
Wherein, counterweight automatic loading device 9 includes a loading counterweight 9-1, an a loading pallet 9-2 and charger 9-
3, loading tray is installed on charger 9-3 and loads pallet 9-2 above aforementioned weight tray 8-3, and both are in
Contactless state, loading counterweight 9-1 are then disposed on loading on pallet 9-2, and such as charger 9-3 receives operator command drive
Loading pallet 9-2 is moved down, and when loading pallet 9-2 is moved down to a certain extent, loading counterweight 9-1 is departing from loading pallet 9-
2 and hung on weight tray 8-3 completely, counterweight 9-1 is now loaded by weight tray 8-3 and pulley line 8-2 to opposite side
Plate holder 5 produce pulling force；As now instructed charger 9-3 to drive loading pallet 9-2 to move up, then move to certain
Load pallet 9-2 to hold up again loading counterweight 9-1 and disengage it from weight tray 8-3 during degree, pulling force quilt suffered by plate holder 5
Unloading.Charger 9-3 is not drawn into herein, can use screw lift.
Wherein, electrical control gear 11 is then to be connected to 10 (main collection of displacement measuring device with circuit connecting mode
The numerical value of displacement sensor), temperature regulating device 3-6 and counterweight automatic loading device 9, operator passes through electrical control gear 11
Heating, insulation or the instruction for cooling down are sent to temperature regulating device 3-6, so as to control the temperature regime of temperature-regulated oil bath device 3；Pass through
Loading instruction is sent to counterweight automatic loading device 9 so that charger 9-3 drives loading pallet 9-2 to move down, so as in counterweight
Add counterweight on pallet 8-3, and vertical tension upwards, displacement sensor contact are produced by seizing wire to plate holder 5
It is squeezed so as to measure shift value, and feeds back to electrical control gear 11.
Generally speaking, the Data Source and generation data drawing list that electrical control gear is obtained is as follows：Displacement measuring device
Shift value (displacement transducer feedback is obtained), the loading numerical value (being manually entered) of counterweight automatic loading device and temperature regulating device
Temperature numerical (initial arrange manually and temperature regulating device feedback is obtained), through automatically analyzing computing, show in display interface
Deformation-time graph, it is also possible to show shearing strain-time graph.
Specific operating procedure is as follows：
(1) thin slice 6 is installed.Thin slice 6 is installed vertically on into plate holder 5, and rotates the rotation adjusting lever in plate holder 5
5-3, adjustment thin slice 6 is in correct position.
(2) balance is checked.The plate holder 5 and weight tray 8-3 of 8 the right and left of bascule are made in the effect of gravity
Under, naturally droop；Manual locking pulley brake 8-6, makes balance system static, the zeroing of balanced pointers 8-7；Releasing of brake, both sides
Still remains stationary is motionless, then illustrate that balance system is good, if balanced pointers 8-7 are turned left relative to graduated disc 8-8 or toward right avertence
Turn, then illustrate inadequate balance, affiliated balance adjustment counterweight 8-4 need to be adjusted with trim, required until meeting balance.
(3) test material is filled in sample box 4.Starting specimen mounting lowering or hoisting gear 7 rises specimen mounting 7-1, in sample box 4
It is middle to load appropriate test material, afterwards sample box 4 is connected with specimen mounting 7-1, specimen mounting 7-1 declines, and makes to install test material
The sample box 4 of material is dipped in oil bath.
(4) open electrical control gear 11, carry out equipment preheating, by electrical control gear 11 and displacement measuring device 10,
Counterweight automatic loading device 9 and temperature regulating device 3-6 are online.
(5) target temperature is set in electrical control gear 11, and temperature-regulated oil bath device 3 begins to warm up, and reaches target temperature
Soften test material.Plate holder 5 (having installed thin slice 6) is put in sample box, thin slice 6 is inserted into test material, and is led to
Cross form hole 7-7 to observe to guarantee insertion depth matters.
(7) temperature control, arranges test temperature in electrical control gear 11, makes oil bath temperature reach test temperature, and is incubated.
(8) arrange parameter.Loading counterweight 9-1 loads, the test temperature of counterweight automatic loading device 9 are arranged according to test requirements document
Degree, test period, batch etc., fill in the relevant parameter in electrical control gear 11.
(9) add counterweight.According to the numerical value of the loading counterweight 9-1 loads filled in above-mentioned software, loading counterweight 9-1 is led to
Cross side sliding door 2-2 to be placed on the loading pallet 9-2 of counterweight automatic loading device 9, now counterweight automatic loading device 9 is not to surveying
Amount process produces impact.
(10) adjust displacement transducer 10-1.Unclamp locking device 10-4, movable sensor fixed mount 10-3；Pass displacement
The contact of sensor 10-1 and measurement column 5-4 upper surface central contacts, contact press-in 0.5mm or so；Locking locking device 10-4, makes
Displacement transducer 10-1 is fixed.
(11) start test.
(a) Manual test.In 11 interface player's dynamic test module of electrical control gear, on-test button, displacement are clicked on
Sensor 10-1 resets, and starts to gather shift value, clicks on off-test button, then test stops, and displacement transducer 10-1 stops
Shift value is gathered only.In the process, by interface button load counterweight 9-1, unload counterweight, when load, when unload by
It is artificial to determine.Software interface shows deformation-time graph in real time, can also show shearing strain-time graph.
B () is from dynamic test.Dynamic test module is selected from 11 interface of electrical control gear, after testing program is set, examination is clicked on
Start button is tested, displacement transducer 10-1 resets, and start to gather shift value.After the completion of test, test is automatically stopped.Here mistake
Cheng Zhong, loads, protects load, unloading condition according to the starting of arranging of electrical control gear 11, and system loads counterweight 9-1, automatic automatically
Protect and carry, unload automatically counterweight.Software interface shows " deformation-time " curve in real time, can also show " shearing strain-time " curve.
(12) data processing.After test is finished, various curves and test report can be generated according to the test data for obtaining.
(13) cool down and terminate.After the completion of test, sample box 4 is risen by Control Assay frame lowering or hoisting gear 7, treats that oil droplet is done
Afterwards, plate holder 5 is removed, clean thin slice 6 is put on the skin.Sample box 4 is unloaded, test material therein is outwelled, and is cleaned out, treat next time
Test is used again.Specimen mounting 7-1 returns to original position, removes counterweight, closes electrical control gear 11 and power supply, terminates test, and oil temperature is certainly
Room temperature is cooled to so.
Claims (13)
1. a kind of material flowing deformation measuring apparatus, it is characterised in that including a temperature-regulated oil bath device, a counterweight automatic loading device,
One bascule, a displacement measuring device, a specimen mounting lowering or hoisting gear, a plate holder, a thin slice, a sample box, a frame,
One protective cover, wherein the temperature-regulated oil bath device is installed on the frame, the specimen mounting lowering or hoisting gear is installed on the frame,
Institute's displacement measurement device is installed on the specimen mounting lowering or hoisting gear, and the sample box is installed on the specimen mounting lowering or hoisting gear,
The bascule is installed on the frame, and the plate holder is connected to the side of the bascule, and the counterweight is automatic
Charger is installed on the frame, and occupy the bascule both sides respectively with the plate holder, and the thin slice is removable
The formula of unloading is installed on the plate holder, and the protective cover is connected to the frame, and together surrounds whole described with the frame
Material flowing deformation measuring apparatus.
The temperature-regulated oil bath device include a fuel tank, a heating tube group, a cooling tube group, at least an agitator, a heat-insulation layer with
And a temperature regulating device, the heating tube group is uniformly arranged on the inside of fuel tank with the cooling tube group, and the agitator is installed on institute
Fuel tank internal is stated, the heat-insulation layer closely surrounds fuel tank, and the heating tube group, cooling tube group and the agitator are all connected to
The temperature regulating device, is run by temperature regulating device control.
The specimen mounting lowering or hoisting gear includes a specimen mounting, a specimen mounting lifting drive, the specimen mounting driving means peace
Loaded on the frame, the specimen mounting is installed on the specimen mounting lifting drive, the specimen mounting lifting drive band
Move the specimen mounting to move up and down.
The sample box and the specimen mounting detachable connection, after both connections, the sample box is vertical just in the fuel tank
The heart, the sample box are moved into the specimen mounting, remove the fuel tank.
Institute's displacement measurement device includes a displacement transducer, a column, a fixing rack for sensor and a locking device, described
Uprights vertical is installed on the specimen mounting, and institute's displacement sensors are installed on the fixing rack for sensor, and the sensor is fixed
Frame packaged type is connected to the column, and the locking device is used for fastening the column with the fixing rack for sensor.
The bascule includes an assembly pulley, a pulley line, a weight tray, a balance adjustment counterweight and a pulley
Frame, the pulley bracket are fixed on the frame, and the assembly pulley is installed on the pulley bracket, and the pulley line bypasses described
Assembly pulley, described pulley line one end vertically connect the plate holder, and the other end vertically connects the weight tray and described
Balance adjustment counterweight, the pulley line are light and smooth.
The plate holder includes the contact of a measurement column, the measurement column and institute's displacement sensors just to installing, described thin
When plate clamp receives the pull-up of vertical tension upwards of the pulley line for being connected, the measurement column vertically pushes the displacement upwards
The contact of sensor, contact resilience when pulling force is reduced, institute's displacement measurer record contact displacement.
The counterweight automatic loading device includes a loading counterweight, a loading pallet and a charger, the loading pallet
The charger is installed on, the loading counterweight is placed in the loading pallet, and the charger drives the loading pallet
Move up and down so that the loading counterweight is placed, departs from the weight tray, in the loading counterweight and the weight tray
The heart aligns.
The frame has a frame door, and the protective cover is just being pulled and a side sliding door with one.
2. material flowing deformation measuring apparatus according to claim 1, it is characterised in that the heating tube group is uniformly arranged in institute
State tank bottoms, the cooling tube group is uniformly arranged in four walls on the inside of the fuel tank, the agitator is dasher, totally 2
It is individual, it is symmetrically distributed in the fuel tank internal.
3. material flowing deformation measuring apparatus according to claim 1, it is characterised in that the sample box is cylinder.
4. material flowing deformation measuring apparatus according to claim 1, it is characterised in that the assembly pulley includes at least one cunning
Wheel, the pulley line bypass the assembly pulley and connect the plate holder and the balance adjustment counterweight and the weight tray
When, the Impact direction at the pulley line two ends be along gravity vertically downward.
5. material flowing deformation measuring apparatus according to claim 4, it is characterised in that the bascule is also including a balance
The brake of pointer, a graduated disc and a pulley, the pulley brake are installed on the pulley bracket and press close in the assembly pulley
The edge of arbitrary pulley, pulley brake can be used to brake, faster pulley, the balanced pointers be fixed on the assembly pulley it
One pulley, both synchronous axial systems, the graduated disc are fixed on the pulley bracket, and the balanced pointers refer in the graduated disc
Show.
6. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that the sample box is arranged at least
One draw ring.
7. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that the sample box arranges and revolves
Turn buckle, the specimen mounting is correspondingly arranged a fixed seat, and the sample box passes through the rotary buckle and institute with the specimen mounting
State fixed seat detachable connection.
8. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that the charger is automatic
Screw lift, the specimen mounting lifting drive are automatic screw lift.
9. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that the frame front is equipped with
Monitoring table, the monitoring table is connected with the temperature regulating device, to show oil bath temperature.
10. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that the frame also include to
Few four balance supports, the balance support are installed on the bottom of the frame, balance to adjustment equipment.
11. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that the plate holder is also wrapped
An extension adjustment device is included, under the thin slice for adjusting clamping, distance is stretched.
12. arbitrary material flowing deformation measuring apparatus according to claim 1-5, it is characterised in that also including an electrical control
Device, the electrical control gear connect displacement transducer, the temperature regulating device and the institute of institute's displacement measurement device respectively
State counterweight automatic loading device.
A kind of 13. usings method of the material flowing deformation measuring apparatus according at least one in above claim, its feature
It is to comprise the following steps：
A) thin slice is installed on into the plate holder, and to adjust and distance is stretched under the thin slice；
B) adjust the bascule and be at poised state；
C) sample box for being loaded into appropriate test material is installed on the specimen mounting, and is driven by specimen mounting lifting
Device is dipped in the fuel tank equipped with oil bath material；
D) electrical control gear is opened, carries out equipment preheating, and the electrical control gear and institute's displacement measurement are filled
Put, the counterweight automatic loading device and the temperature regulating device it is online；
E) target temperature is set in the electrical control gear, by thin slice insertion test material after material softening to be tested
Material；
F) test temperature is set in the electrical control gear, makes oil bath temperature keep stable；
G) fill in electrical control gear, the parameters such as the loading counterweight weight, test temperature, test period, batch are set；
H) according to aforementioned filled in loading counterweight weight, the loading counterweight is positioned over into the loading support by the side sliding door
On disk；
I) adjusting institute's displacement sensors makes its contact be pressed on the measurement column；
J) order the electrical control gear to be tested, and data processing is carried out by the electrical control gear, generate figure
Table and laboratory report；
K) make oil bath be cooled to room temperature by electrical control gear arrestment operation, arrange equipment.
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| CN201611032951.2A CN106596333B (en) | 2016-11-01 | 2016-11-01 | A kind of material flowing deformation measuring device and its application method |
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| CN108333081A (en) * | 2018-05-16 | 2018-07-27 | 洛阳理工学院 | A kind of paste materials Limiting shear stress test device and test method |
| CN109506818A (en) * | 2018-11-19 | 2019-03-22 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of counterweight loading device for Young's modulus measurement |
| CN110579438A (en) * | 2019-10-08 | 2019-12-17 | 长安大学 | Dynamic shear rheometer friction coefficient testing device and using method |
| CN111551483A (en) * | 2020-05-20 | 2020-08-18 | 河北维立方科技有限公司 | Apparatus for monitoring metal corrosion and method for monitoring metal corrosion |
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| CN109506818B (en) * | 2018-11-19 | 2020-12-08 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Weight loading device for Young modulus measurement |
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| CN113252463B (en) * | 2021-04-21 | 2023-09-08 | 中国煤炭科工集团太原研究院有限公司 | Cable lead-in device clamping test bed |
| CN114295510A (en) * | 2021-11-18 | 2022-04-08 | 郑州众城润滑科技有限公司 | Lubricating grease linear acceleration performance testing machine |
| CN114295510B (en) * | 2021-11-18 | 2023-08-08 | 郑州众城润滑科技有限公司 | Linear acceleration performance testing machine for lubricating grease |
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