CN114544332B - Dynamic mechanical analysis system for simultaneous loading of thermoelectric power - Google Patents
Dynamic mechanical analysis system for simultaneous loading of thermoelectric power Download PDFInfo
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- CN114544332B CN114544332B CN202210203520.7A CN202210203520A CN114544332B CN 114544332 B CN114544332 B CN 114544332B CN 202210203520 A CN202210203520 A CN 202210203520A CN 114544332 B CN114544332 B CN 114544332B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 238000005452 bending Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- -1 coatings Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
Classifications
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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
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a dynamic mechanical analysis system for simultaneously loading thermodynamic electricity, which is used for solving the problem that the dynamic mechanical analysis system in the prior art can not simultaneously load heat, force and electricity, and the structure of the dynamic mechanical analysis system comprises the following components: the device comprises a heating chamber, a clamp, a driver and a control part, wherein a sample is clamped in the heating chamber, a top clamp is arranged on a top plate of the heating chamber, a clamp is arranged on a bottom plate, two ends of the sample are clamped and fixed, different modes of force application are carried out according to test requirements, a wire in contact with the sample is further arranged in the top clamp, and the wire is powered by a power supply positioned outside the heating chamber, so that the surface of the sample is loaded with current, and the simultaneous loading of heat, force and electricity is realized; the invention has reasonable structure and small occupied area, and the clamp can also realize the adjustment of various force application modes, and simultaneously realize the operation modes of stretching, compressing and bending without frequently replacing the clamp.
Description
Technical Field
The invention belongs to the field of measuring equipment, and particularly relates to a dynamic mechanical analysis system for simultaneous loading of thermoelectric power.
Background
Dynamic Mechanical Analysis (DMA) is used to measure the modulus (rigidity) and damping (energy loss) characteristics of a material when the material is deformed under a periodic stress, and DMA can qualitatively and quantitatively represent the viscoelastic performance of the material, as shown in fig. 1, which is a dynamic mechanical analysis system commonly used in the prior art, and when measuring, a sinusoidal alternating stress is applied to a sample, and the strain is simultaneously measured and changed, and due to different viscoelastic materials, the phase angle between the stress and the strain is always different when a periodic sinusoidal stress is applied, so that the modulus (stored energy) and the damping (loss modulus) of the material when the material is deformed can be measured. DMA can be used to analyze a variety of materials such as plastics, thermosets, composites, elastomers, coatings, metals, ceramics, etc., and is particularly useful for polymeric materials.
However, the traditional dynamic mechanical analysis system can only realize mechanical analysis under the thermal and force states at most, and certain current is required to be loaded for testing part of samples, but the dynamic mechanical analysis system in the prior art does not realize simultaneous loading of the three conditions.
Disclosure of Invention
The invention aims to provide a dynamic mechanical analysis system for simultaneously loading thermoelectric power, which not only can realize the simultaneous loading of the thermoelectric power, but also can adapt to various use scenes and improve the convenience of use.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a thermodynamic and electric simultaneous loading dynamic mechanical analysis system, comprising: the device comprises a heating chamber, a clamp, a driver and a control part, wherein the driver applies force to a sample fixed in the heating chamber through the clamp under the control of the control part, the sample in the heating chamber is fixed through a top clamp and the clamp, a power supply is arranged on the outer side of a top plate of the heating chamber, and a wire of the power supply penetrates through the top plate and is positioned between a movable block and a top block to be in contact with the sample;
the clamp comprises: the bottom frame is fixed on the bottom plate of the heating chamber, an opening is formed in the bottom frame, the horizontal beams are strip-shaped plates positioned on the bottom frame, two horizontal beams are arranged in parallel and are connected in series through horizontal rails, through holes for the horizontal rails to pass through are formed in the side surfaces of the horizontal beams, a connecting plate is arranged at the bottom of one horizontal beam, the connecting plate is detachably connected with a driver, and the limiting rods are vertically fixed on the bottom plate of the heating chamber and are close to two ends of the limiting rods to support the horizontal rails;
the horizontal beam is provided with a fixed rail, the fixed rail is provided with a fixed block, the fixed block is connected with the fixed rail in series and can move in the direction of the fixed rail, the fixed block is provided with a buckle for fixing a sample, the bottom surface of the fixed block is provided with a connecting rod, one end of the connecting rod is hinged to the fixed block, and the other end of the connecting rod is a free end.
Further, one end of the fixed rail is fixed on the same horizontal beam, the other end is a free end, a door-shaped piece is arranged on the other horizontal beam, and the free end of the fixed rail penetrates through the door-shaped piece to be limited.
Further, the connecting plate is an L-shaped plate, and the short side of the connecting plate is parallel to the horizontal plane.
Further, external threads are arranged outside the horizontal rail, the side surface of each horizontal beam is provided with through holes through which the horizontal rail passes, one through hole is a threaded hole, and no internal threads are arranged in the other through hole.
Further, the threaded holes of the horizontal beams are respectively in threaded fit with different horizontal rails, so that the positions of the different horizontal beams can be adjusted by rotating the different horizontal rails.
Further, the stop lever includes: the movable groove is a through groove in the length direction of the limiting rod, the side face of the through groove is provided with a clamping groove extending inwards, and the movable block is clamped in the clamping groove of the movable groove and can move in the movable groove.
Further, a through hole for the horizontal rail to pass through is formed in the movable block, a bearing is arranged in the through hole, and the through hole is connected with the horizontal rail through the bearing.
Further, the heating chamber is a closed box body, and an openable control door is arranged on the heating chamber.
Further, the top clip comprises: the movable block and the fixed block are fixed on the top surface, threaded holes are formed in the movable block and the top block, the movable block and the top block are detachably connected through bolts, and a sample is arranged between the movable block and the top block.
The invention has at least the following beneficial effects:
(1) Through the cooperation of power and anchor clamps, realize carrying the effect of electric current to the sample, reduce the loss of electric current through the insulating layer of anchor clamps, realize the effect of thermoelectric simultaneous loading.
(2) The clamp structure is completely different from the traditional clamp, the tensile, compression and bending tests can be realized on the same clamp, the clamp does not need to be replaced frequently, and the replacement difficulty is greatly reduced.
(3) The motion direction of the driver moves in the vertical direction, the connecting part of the driver and the clamp can be flexibly adjusted, and under the condition that the driver is not replaced, the quick conversion in the horizontal direction and the vertical direction is realized, so that the preparation work before use is greatly simplified.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
In the accompanying drawings:
FIG. 1 schematically illustrates a prior art dynamic mechanical analysis system;
fig. 2 schematically shows a schematic structure of a processing section in the prior art;
FIG. 3 schematically shows a schematic view of the structure of a heating chamber according to the invention;
FIG. 4 schematically shows a schematic structural view of the clamp of the present invention;
FIG. 5 schematically illustrates an exploded view of the clamp of the present invention;
FIG. 6 is a schematic enlarged view showing a partial structure of the portion A in FIG. 4;
FIG. 7 schematically shows a schematic cross-sectional view of the present invention in use;
FIG. 8 is a schematic enlarged view showing a partial structure of the portion B in FIG. 7;
FIG. 9 schematically shows a schematic view of the structure of the present invention when stretching and compressing a sample;
fig. 10 schematically shows a schematic structural view of the present invention when bending a sample.
Wherein the above figures include the following reference numerals:
1-heating chamber, 11-control door;
2-clamps, 21-bottom frames, 22-horizontal beams, 23-fixed blocks, 24-fixed rails, 25-buckles, 26-horizontal rails, 27-connecting plates, 28-connecting rods and 29-mounting holes;
3-driver, 31-driving shell, 4-power supply, 41-wire;
5-top clip, 51-fixed block, 52-movable block, 6-limit rod, 61-movable groove, 62-movable block and 7-sample.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application; as used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures.
Examples
As shown in fig. 3 to 10, the dynamic mechanical analysis system with simultaneous loading of thermoelectric power is used for solving the problem that the dynamic mechanical analysis system in the prior art cannot simultaneously load heat, force and electricity, wherein the clamp 2 can also simultaneously realize operation modes of stretching, compressing and bending, can be directly used without replacement and adjustment, and is more convenient to use; the structure comprises: heating chamber 1, anchor clamps 2, driver 3, control portion, with sample 7 clamping in heating chamber 1, be provided with top clip 5 on the roof of heating chamber 1, be provided with anchor clamps 2 on the bottom plate, both with sample 7 both ends centre gripping fixed, carry out the application of force of different modes according to the test requirement, still be provided with the wire 41 that contacts with sample 7 in top clip 5, wire 41 is through the power supply of the power 4 that is located outside heating chamber 1, make sample 7 surface carry electric current, thereby realize loading simultaneously of heat, force, electricity.
As shown in fig. 2, the heating chamber 1 is arranged above the driver 3, an opening is arranged on the bottom plate of the heating chamber 1 and is communicated with the driver, a clamp 2 is arranged on the opening, a top clamp 5 in the heating chamber 1 and the clamp 2 fix a sample 7, the sample 7 is pressurized by the movement of the driver 3, and of course, a driving shell 31 is arranged outside the driver 3, is connected with the heating chamber 1 through the driving shell 31 and supports the heating chamber 1.
As shown in fig. 3, the heating chamber 1 is a closed box body, the heating chamber 1 is provided with an openable control door 11, the sample 7 can be adjusted and clamped by opening the control door 11, and heat loss can be reduced by closing the control door 11 when the heating chamber is used.
The jig 2 is provided on a bottom plate of the heating chamber 1, and includes: the bottom frame 21 and the horizontal beams 22 are as shown in fig. 4-5, a rectangular opening is formed in the center of the bottom frame 21, the bottom frame 21 is fixed on the bottom plate of the heating chamber 1, the horizontal beams 22 are strip-shaped plates positioned on the bottom frame 21, two horizontal beams 22 are arranged in parallel, the horizontal beams 22 are connected in series through horizontal rails 26, through holes for the horizontal rails 26 to pass through are formed in the side surfaces of the horizontal beams 22, the horizontal beams 22 can move on the horizontal rails 26, and the positions of the horizontal beams 22 can be flexibly adjusted according to use requirements; the bottom of one of them horizontal beam 22 is provided with connecting plate 27, and connecting plate 27 is the L shaped plate, and its minor face is parallel with the horizontal plane, is provided with the connecting hole on the connecting plate 27, can dismantle with the output of driver 3 and be connected, and horizontal beam 22 after the connection can reciprocate under the effect of driver 3.
It should be noted that: the outer threads are arranged outside the horizontal rails 26, each horizontal beam 22 is provided with a through hole for passing through the horizontal rail 26, one through hole is a threaded hole, the other through hole is not provided with an inner thread, and the threaded holes of the two horizontal beams 22 are respectively in threaded fit with the different horizontal rails 26, so that the positions of the different horizontal beams 22 can be adjusted by rotating the different horizontal rails 26.
The both ends of the horizontal rail 26 are supported by the stopper rod 6, the stopper rod 6 is vertically fixed on the bottom plate of the heating chamber 1, and the both ends close to the stopper rod 6, as shown in fig. 6, the stopper rod 6 includes: the movable groove 61, the movable block 62, the movable groove 61 is the logical groove of gag lever post 6 length direction, the side of logical groove is provided with the draw-in groove of inwards extending, the movable block 62 card can move in the movable groove 61 in the draw-in groove of movable groove 61, set up the through-hole that the horizontal rail 26 passed on the movable block 62, be provided with the bearing in the through-hole, be connected with the horizontal rail 26 through the bearing, gag lever post 6 not only supports horizontal rail 26, make the horizontal axle can rotate with self axis as the center of rotation, or move in the direction in the movable groove 61, namely the motion in perpendicular line direction, other directions are restricted by gag lever post 6.
As shown in fig. 4 to 5, a fixed rail 24 is arranged on the horizontal beam 22, one end of the fixed rail 24 is fixed on the horizontal beam 22, the other end is a free end, the fixed rail 22 is limited by a door-shaped piece positioned on the other horizontal beam 22, a fixed block 23 is arranged on the fixed rail 24, the fixed block 23 is strung on the fixed rail 24 and can move in the direction of the fixed rail 24, and a buckle 25 is arranged on the fixed block 23 and used for fixing the sample 7; the bottom surface of the fixed block 23 is provided with a connecting rod 28, one end of the connecting rod 28 is hinged on the fixed block 23, and the other end is a free end.
As shown in fig. 7 to 8, the top surface in the heating chamber 1 is further provided with a top clip 5 for fixing the sample 7, and the top clip 5 includes: the movable block 52 and the fixed block 51 are fixed on the top surface, threaded holes are formed in the movable block 52 and the fixed block 51, the movable block 52 and the fixed block 51 are detachably connected through bolts, one end of the sample 7 is arranged between the movable block 52 and the fixed block 51, and the sample 7 is fixed after the bolts are screwed.
It should be noted that: the outside of heating chamber 1 roof is provided with power 4, and power 4's wire 41 passes the roof, is located between movable block 52 and the fixed block 51, and with sample 7 contact, makes sample 7 surface carry electric current, realizes loading simultaneously of heat, power, electricity, and certainly, top clip 5, anchor clamps 2 and the outside of heating chamber 1 all have coated one deck insulating layer.
Depending on the type of the sample 7, it is conventionally necessary to apply force to the sample 7 in different ways, and the application method includes: the corresponding clamps 2 are needed to fix the sample 7 by stretching, compressing and bending, and the samples are subdivided into a stretching clamp 2, a compressing clamp 2, a bending clamp 2 and the like, and in actual use, as the structures of the clamps 2 are completely different, the clamps 2 need to be taken out entirely every time the detection mode is replaced, the assembly calibration of the clamps 2 needs to take a lot of time, the use efficiency is seriously influenced, and the use frequency of the spare clamps 2 is different, so that the cost of subsequent maintenance and storage is increased, and the use is inconvenient; for this purpose the clamp 2 in the present application does not need to be replaced and only requires simple adjustment to achieve the above-mentioned function.
In the stretched and compressed state: as shown in fig. 9, in this state, the output end of the driver 3 is connected to the connecting plate 27, the fixed block 23 moves to the bottom of the sample 7, and is connected to the fixed block 23 by the buckle 25 on the fixed block 23, after the fixed block 23 is connected to the sample 7, clips are provided on the fixed rails 24 on both sides of the fixed block 23, so as to avoid the fixed block 23 moving on the fixed rails 24, and when the driver 3 moves up and down, the connecting plate 27 drives the horizontal beams 22 provided with the connecting plate 27 to move up, and since the horizontal beams 22 are connected by the horizontal rails 26, the two horizontal beams 22 move with the driver 3 at the same time, and of course, the fixed block 23 also moves along with the sample 7, so that a force application mode of stretching or compression is realized.
This state is yet another implementation: since the horizontal beam 22 is further provided with the mounting hole 29, a buckle 25 can be additionally arranged in the mounting hole 29, and the sample 7 is connected with the buckle 25 on the horizontal beam 22, and the fixing block 23 does not act.
In the bending state: as shown in fig. 10, the free end of the connecting rod 28 is hinged to the output end of the driver 3, the driver 3 moves vertically, the fixed rod is limited by the fixed rail 24, and can only move in the direction of the fixed rail 24, namely in the horizontal direction, when the driver 3 moves upwards, the connecting rod 28 hinged to the two pushes the fixed block 23 outwards, otherwise, the vertical movement of the driver 3 is converted into the horizontal movement, in this state, the sample 7 is fixed only at the top and the free end at the bottom, and the horizontal acting force is applied to the bottom of the sample 7 through the movement of the fixed block 23, so that the sample 7 is bent, and the application of force in the bending state is realized.
In this embodiment, the heating chamber, the control door, the driver, and the power supply are all mature existing technologies, and can be purchased directly, so they are not described in detail.
Claims (9)
1. A thermodynamic and electric simultaneous loading dynamic mechanical analysis system, comprising: heating chamber, anchor clamps, driver, control portion, the driver is exerted force to the sample that is fixed in the heating chamber through anchor clamps under control portion's control, its characterized in that: the sample in the heating chamber is fixed through a top clip and a clamp, a power supply is arranged on the outer side of a top plate of the heating chamber, and a wire of the power supply penetrates through the top plate and is positioned between the movable block and the top block to be in contact with the sample;
the clamp comprises: the horizontal beam is a strip-shaped plate positioned on the bottom frame, two horizontal beams are arranged in parallel, the horizontal beams are connected in series through horizontal rails, through holes for the horizontal rails to pass through are formed in the side surfaces of the horizontal beams, a connecting plate is arranged at the bottom of one horizontal beam and is detachably connected with a driver, and a limiting rod is vertically fixed on the bottom plate of the heating chamber and is close to two ends of the limiting rod to support the horizontal rails;
the horizontal beam is provided with a fixed rail, the fixed rail is provided with a fixed block, the fixed block is connected with the fixed rail in series and can move in the direction of the fixed rail, the fixed block is provided with a buckle for fixing a sample, the bottom surface of the fixed block is provided with a connecting rod, one end of the connecting rod is hinged to the fixed block, and the other end of the connecting rod is a free end;
the output end of the driver is connected with the connecting plate in the stretching and compressing state, the fixed block moves to the bottom of the sample and is connected with the connecting plate through the buckle on the fixed block, after the fixed block is connected with the sample, the clamping is arranged on the fixed rail on two sides of the fixed block, so that the fixed block is prevented from moving on the fixed rail, when the driver moves up and down, the connecting plate drives the horizontal beams provided with the connecting plate to move upwards, and the two horizontal beams move along with the driver at the same time due to the connection of the horizontal beams through the horizontal rail, and of course, the fixed block also moves along with the connecting plate, and a force in the vertical direction is applied to the sample, so that a stretching or compressing force application mode is realized;
in the bending state: the free end of the connecting rod is hinged with the output end of the driver, the movement of the driver is vertical movement, the fixed rod is limited by the fixed rail, the fixed rod can only move in the direction of the fixed rail, namely horizontal movement, when the driver moves upwards, the connecting rod hinged with the free end and the fixed rod pushes the fixed block outwards, otherwise, the free end moves towards one side of the sample, the vertical movement of the driver is converted into horizontal movement, in this state, the sample is only fixed at the top and is free at the bottom, and horizontal acting force is applied to the bottom of the sample through the movement of the fixed block, so that the sample is bent, and the force application in a bending state is realized.
2. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 1, wherein: one end of the fixed rail is fixed on the same horizontal beam, the other end of the fixed rail is a free end, a door-shaped piece is arranged on the other horizontal beam, and the free end of the fixed rail penetrates through the door-shaped piece to be limited.
3. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 1, wherein: the connecting plate is an L-shaped plate, and the short side of the connecting plate is parallel to the horizontal plane.
4. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 1, wherein: external threads are arranged outside the horizontal rail, the side surface of each horizontal beam is provided with through holes for the horizontal rail to pass through, one through hole is a threaded hole, and no internal threads are arranged in the other through hole.
5. A thermodynamic and electrokinetic simultaneous loading dynamic mechanical analysis system as claimed in claim 4, wherein: the threaded holes of the horizontal beams are respectively in threaded fit with different horizontal rails, so that the positions of the different horizontal beams can be adjusted by rotating the different horizontal rails.
6. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 1, wherein: the stop lever includes: the movable groove is a through groove in the length direction of the limiting rod, the side face of the through groove is provided with a clamping groove extending inwards, and the movable block is clamped in the clamping groove of the movable groove and can move in the movable groove.
7. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 6, wherein: the movable block is provided with a through hole for the horizontal rail to pass through, and a bearing is arranged in the through hole and is connected with the horizontal rail through the bearing.
8. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 1, wherein: the heating chamber is a closed box body, and an openable control door is arranged on the heating chamber.
9. A thermodynamic and electrical simultaneous loading dynamic mechanical analysis system as claimed in claim 1, wherein: the top clip comprises: the movable block and the fixed block are fixed on the top surface, threaded holes are formed in the movable block and the top block, the movable block and the top block are detachably connected through bolts, and a sample is arranged between the movable block and the top block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210203520.7A CN114544332B (en) | 2022-03-03 | 2022-03-03 | Dynamic mechanical analysis system for simultaneous loading of thermoelectric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210203520.7A CN114544332B (en) | 2022-03-03 | 2022-03-03 | Dynamic mechanical analysis system for simultaneous loading of thermoelectric power |
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| CN114544332A CN114544332A (en) | 2022-05-27 |
| CN114544332B true CN114544332B (en) | 2024-01-16 |
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