CN106442608A - Thermal expansivity determining instrument - Google Patents
Thermal expansivity determining instrument Download PDFInfo
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- CN106442608A CN106442608A CN201610971512.1A CN201610971512A CN106442608A CN 106442608 A CN106442608 A CN 106442608A CN 201610971512 A CN201610971512 A CN 201610971512A CN 106442608 A CN106442608 A CN 106442608A
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- turnbarrel
- measuring
- thermal expansion
- expansion coefficient
- sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to a thermal expansivity determining instrument, which comprises a sample support for stretching into a heating device, a sensor and a display system electrically connected with the sensor, wherein the sample support comprises a detection rod and a bearing rod; a placement groove for holding a sample is formed in the bearing rod, and is opened upwards; one end of the detection rod is contacted with the sensor; the other end of the detection rod is contacted with the sample. The instrument also comprises a support base for installing the sample support, and a rotary sleeve rotatably arranged in the support base, wherein the bearing rod is fixedly connected with the rotary sleeve; the detection rod penetrates through the support base so as to be contacted with the sensor. Therefore, when the rotary sleeve is operated to rotate, the thermal expansivity determining instrument can enable the sample support to rotate along an axial direction so as to pour out the sample, so that the danger that people is scalded when artificially taking the high-temperature sample down is avoided.
Description
Technical field
It relates to a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, in particular it relates to one kind can make sample holder vertically
A kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument of rotation.
Background technology
Thermal expansion, i.e., the phenomenon that condensed state matter volume is varied with temperature and changed, is the basic ermal physics of material
One of property, and in producing, generally characterizing scantling with thermal coefficient of expansion varies with temperature degree.Thermal coefficient of expansion is usual
It is divided into the coefficient of volume expansion and linear expansion coefficient.As the measurement of volume expansion is more difficult than line expansion in practice, so general
The linear expansion coefficient of measurement solid material.
Thermal coefficient of expansion measurement is the important means of investigation of materials, with the appearance of various high sensitivity displacement transducers,
Certainty of measurement is also being improved constantly, and is various fine measurements there is provided convenient.Dilatometer by measuring principle be divided into direct method and
Connection, the former is mainly push rod method, and the latter is mainly Through Optical Interference Spectra and X-ray diffraction method.
Existing MEASURING THE THERMAL EXPANSION COEFFICIENT instrument generally includes sample holder, heater, sensor, display system.Experiment
During, after laboratory sample is put on sample holder, sample holder is manoeuvred into the high temperature process furnances that temperature is 1000 DEG C,
Test specimen is made to be in body of heater central authorities.When test sample block be heated start expansion after, promote the quartz pushrod that is in contact with it to produce displacement,
The displacement of quartz pushrod passes to displacement transducer, then data are transported to computer video data.
In prior art, after experiment is completed, need manually high temperature style to be removed from support with tweezers, do not only exist boiling hot
Wound is dangerous, and operates inconvenience.Additionally, due to before experiment starts, the size dimension of the test specimen of acquisition generally and differs
Cause, and sensing station fix and cannot change, so as to cause experimental test sample and sensor cannot effective contact or
Contact tension so that experimental data has larger error.
Content of the invention
The purpose of the disclosure is to provide a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, and the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument can make height
Warm sample is not required to personnel's directly contact and removes, it is to avoid the danger of scald.
To achieve these goals, the disclosure provides a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, including for stretching into heating dress
Sample holder, sensor and the display system for electrically connecting with the sensor that puts, the sample holder includes detection bar and holds
Carry bar, the placing trough being formed with the carrier bar for holding sample, the placing trough upward opening, described detection bar one end with
The sensor contacts, the other end is used for contacting with the sample, and the instrument is also included for installing the sample holder
Bracket base, and can be rotatably set in the turnbarrel in the bracket base, the carrier bar and the turnbarrel
Be fixedly connected, the detection bar through the bracket base with the sensor contacts.
Alternatively, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument also includes rotary handle, and the rotary handle is by the rotation
Handle installation position in sleeve lateral wall is connected with the turnbarrel, and bracket base side wall is provided with groove circumferentially
Mouthful, the rotary handle can circumference slidably pass through the notch to be connected with the turnbarrel.
Alternatively, the handle installation position is that screwed hole, the rotary handle is connected by screw thread with the handle installation position
Connect.
Alternatively, the rotary shaft sleeve is that cylinder, the bracket base is provided with for being rotatably mounted the rotation
The through hole of rotaring sleeve, the through hole is provided with the boss for projecting radially inwards for positioning institute near the end face of the sensor
State turnbarrel, away from the sensor end face dismountable be provided with end cap, the internal diameter of the end cap is less than the rotary sleeve
The external diameter of cylinder is for positioning the turnbarrel.
Alternatively, the two ends of the rotary shaft sleeve are formed as hierarchic structure, to distinguish between the inwall of the through hole
It is provided with clutch shaft bearing.
Alternatively, the first location hole being provided with the bracket base, is provided with the second location hole on the turnbarrel,
The instrument also includes alignment pin, and the alignment pin is coordinated with the first location hole screw thread to stretch into or exit the described second positioning
Hole.
Alternatively, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument also includes to make sensor axial movement with close or remote
Feed arrangement from the detection boom end.
Alternatively, the feed arrangement is arranged on the turnbarrel near the end of the sensor and including feeding
Handle and feed shaft, the feeding handle is rotatably installed in the end of the turnbarrel, the feed shaft and the biography
Sensor is fixedly linked and circumferential locking and is axially slidably located in the turnbarrel, screw thread of the feed shaft by outer surface
Coordinate with the feeding handle screw thread, the feed shaft is hollow axle, the detection bar through the feed shaft and the sensing
Device is contacted.
Alternatively, the feed shaft is the cylinder of major arc arch for cross section.
Alternatively, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument also include to be arranged on the feeding handle and the turnbarrel it
Between second bearing.
By technique scheme, turnbarrel can carry out axial-rotation in bracket base as needed such that it is able to
Overturn sample holder to pour out sample in the hopper being correspondingly arranged, can not only so avoid manually removing high temperature
The danger that sample is burned, and operating process is simple, improves instrument service efficiency.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is used to provide further understanding of the disclosure, and constitutes the part of description, with following tool
Body embodiment is used for explaining the disclosure together, but does not constitute restriction of this disclosure.In the accompanying drawings：
Fig. 1 is the front view of the sample holder that the disclosure is provided；
Fig. 2 is the top view of the sample holder that the disclosure is provided；
Fig. 3 is the front view of the bracket base that disclosure preferred implementation is provided；
Fig. 4 is the sectional view in the A-A direction of the bracket base that disclosure preferred implementation is provided in Fig. 3；
Fig. 5 is the left view of the turnbarrel that disclosure preferred implementation is provided；
Fig. 6 is the sectional view in the B-B direction of the turnbarrel that disclosure preferred implementation is provided in Fig. 5；
Fig. 7 is the top view of the turnbarrel that disclosure preferred implementation is provided in Fig. 5；
Fig. 8 is the right view of the swivel bearing that disclosure preferred implementation is provided in Fig. 5.
Description of reference numerals
201 turnbarrel, 202 bracket base
203 sample holder, 204 feed arrangement
205 second bearing, 206 end cap
207 clutch shaft bearing, 208 first location hole
209 rotary handle, 210 handle installation position
211 notch, 212 second location hole
2021 through hole, 2022 boss
2031 detection bar, 2032 carrier bar
2041 feeding handle, 2042 feed shaft
Specific embodiment
It is described in detail below in conjunction with accompanying drawing specific embodiment of this disclosure.It should be appreciated that this place is retouched
The specific embodiment that states is merely to illustrate and explains the disclosure, is not limited to the disclosure.
In the disclosure, in the case of contrary explanation is not made, the noun of locality such as " upper and lower, left and right " that uses typically with
Define on the basis of the page of respective drawings, " inside and outside " refers to the inner and outer of corresponding component profile.
The disclosure provides a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, including the sample holder 203 for stretching into heater, passes
Sensor and the display system for electrically connecting with the sensor.As depicted in figs. 1 and 2, sample holder 203 includes 2031 He of detection bar
Carrier bar 2032；The placing trough being formed with carrier bar 2032 for holding sample, the placing trough upward opening, detection bar 2031
One end and sensor contacts, the other end is used for contacting with sample.As shown in Figure 3 and Figure 4, the thermal coefficient of expansion that the disclosure is provided is surveyed
Determine the bracket base 202 that instrument also includes for installing sample holder 203, and can be rotatably set in bracket base 202
Turnbarrel 201, carrier bar 2032 is fixedly connected with turnbarrel 201, detection bar 2031 through the bracket base 202 with
Sensor contacts.
Before MEASURING THE THERMAL EXPANSION COEFFICIENT experiment starts, first object cutting to be tested to suitable size and is ground, place
After the completion of reason, laboratory sample is placed in the placing trough that arrange on carrier bar 2032, and sample holder 203 is placed sample
One end is stretched in heater, and the heater can be separately provided or be wholely set with instrument；After experiment starts, heating dress
Putting carries out high-temperature heating to sample, so that sample expanded by heating, promotes the detection bar 2031 for contacting with the sample to produce displacement,
And displacement information is received by contacting the sensor for arranging with the detection bar 2031, aobvious finally by electrically connected with the sensor
Show that system carries out the calculating of experimental result and display；After the completion of experiment, sample holder 203 is exited heater, and by rotation
Sample holder 203 is overturn by the axial rotation motion of rotaring sleeve 201, so as to high temp samples to be poured out the material being correspondingly arranged
In case.Can not only avoid in this way the danger that high temp samples are burned manually is removed, and operating process is simple, carries
The high service efficiency of the instrument.
The disclosure is not intended to limit turnbarrel 201 and carries out the type of drive of axial-rotation, alternatively, in present embodiment
In, as shown in Figures 3 to 8, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided also includes rotary handle 209, the rotary handle
209 are connected with turnbarrel 201 by the handle installation position 210 on 201 side wall of turnbarrel, and 202 side wall of bracket base is provided with
Notch 211 circumferentially, the rotary handle 209 can circumference slidably pass through the notch 211 with the turnbarrel 201
It is connected.In the present embodiment, alternatively, handle installation position 210 is that screwed hole, rotary handle 209 is led to handle installation position 210
Cross threaded, again the handle is installed to by notch 211 after by 201 Stent Implantation base 202 of turnbarrel with facilitating
On turnbarrel 201.So, by operating the movement of rotary handle 209, the rotation inside bracket base 202 can be realized
The rotation process of rotaring sleeve 201, the circumference in particular by rotary handle 209 in notch 211 is mobile so that turnbarrel
201 complete axial-rotation.This mode avoids the directly contact of operator and turnbarrel 201, and rotary handle 209
It is also possible that easy to operate and laborsaving.
The MEASURING THE THERMAL EXPANSION COEFFICIENT instrument provided by the disclosure, can be accomplished in several ways turnbarrel 201 relative
Axial-rotation in bracket base 202.Alternatively, in the present embodiment, as shown in Fig. 5 to Fig. 8, rotary shaft sleeve 201 is
Cylinder, bracket base 202 is provided with the through hole 2021 for being rotatably mounted turnbarrel 201, in order that turnbarrel
201 stably rotate in through hole 2021, and the through hole 2021 is provided with the boss for projecting radially inwards near the end face of sensor
2022 for position rotating sleeve 201, away from sensor end face dismountable be provided with end cap 206, the end cap 206 interior
Footpath is less than the external diameter of turnbarrel 201 for position rotating sleeve 201.By turnbarrel 201 is fabricated to cylinder simultaneously
It is disposed in corresponding through hole 2021, to realize the axial-rotation of the turnbarrel 201, and boss 2022 and end cap 206
Setting cause turnbarrel 201 axial movement be locked out, so as to be merely able to carry out axial-rotation fortune in the through hole 2021
Dynamic.Can dismantle additionally, due to a side end cap 206, it is possible to achieve rotary shaft sleeve 201 is placed in through hole 2021 pacifies again first
The purpose of dress end cap 206, equally can also realize the dismounting of rotary shaft sleeve 201 in dismounting.Further optionally, in this reality
Apply in mode, the two ends of rotary shaft sleeve 201 are formed as hierarchic structure, to be respectively arranged between the inwall of through hole 2021
One bearing 207.The clutch shaft bearing 207 is can preferably to carry out axial rotation for turnbarrel 201, reduces frictional resistance,
And the corresponding hierarchic structure for being formed at 201 two ends of turnbarrel provides a kind of preferred reality for the installation of clutch shaft bearing 207
Apply mode.
In the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument provided by the disclosure, alternatively, as shown in Figure 4 and Figure 6, bracket base
The first location hole 208 is provided with 202, is provided with the second location hole 212, the instrument provided by the disclosure on turnbarrel 201
Also include alignment pin, the alignment pin and 208 screw thread of the first location hole coordinate to stretch into or exit the second location hole 212.This be by
Axially opposing rotation can be carried out in turnbarrel 201 with respect to bracket base 202, and during experiment is carried out, need to protect
The operating position of card turnbarrel 201 is fixed, i.e., on sample holder 203, the position in experimentation of all parts and sample is solid
Fixed, therefore, setting alignment pin passes through the first location hole 208 on bracket base 202 extend on turnbarrel 201 second
Location hole 212, so that turnbarrel 201 does not carry out circumferentially opposed cunning between the two with respect to the circumferential locking of bracket base 202
Dynamic, and the setting of screw thread causes the stable connection between alignment pin and turnbarrel 201 and bracket base 202.
After experiment terminates, when needing to overturn sample holder 203, alignment pin need to only exit turnbarrel 201
On the second location hole 212, you can release circumferential locking to turnbarrel 201.It should be noted that the disclosure is not limited
Mode to the circumferential locking of turnbarrel 201, that is, fix the mode of 201 operating position of turnbarrel, by other means, for example
Lobe and corresponding groove is respectively provided with turnbarrel 201 and bracket base 202, can equally realize present embodiment
Function.
In the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument provided by the disclosure, alternatively, as shown in Figure 3 and Figure 4, the instrument is also wrapped
Including to make sensor move axially with the feed arrangement 204 close to or away from 2031 end of detection bar.MEASURING THE THERMAL EXPANSION COEFFICIENT
Before experiment starts, first object cutting to be tested to suitable size and is ground, as the step is generally by artificial side
Formula is carried out, and the size dimension of the sample after the completion of process can all have trickle deviation, causes sensing now by feed arrangement 204
Device can be moved axially, and the size according to sample is finely adjusted so that sensor can be carried out effectively with detection bar 2031
Contact, so as to ensure that the accuracy rate of detection, improves the service efficiency of instrument.
For the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument provided by the disclosure, feed arrangement 204 can be accomplished in several ways
Function, i.e., sensor can be made to carry out the function of axial location regulation.Alternatively, in the present embodiment, above-mentioned feeding dress
Putting 204 and turnbarrel 201 is arranged near the end of sensor and including feeding handle 2041 and feed shaft 2042, feeds handss
Handle 2041 is rotatably installed in the end of turnbarrel 201, feed shaft 2042 be fixedly linked with sensor and circumferential locking and
Axially slidably it is located in turnbarrel 201, the feed shaft 2042 is joined with 2041 screw thread of feeding handle by the screw thread of outer surface
Close, wherein feed shaft 2042 can be hollow axle, and detection bar 2031 is through feed shaft 2042 and sensor contacts.By this side
Formula, feed shaft 2042 by with feeding handle 2041 threaded realization sliding axially inside turnbarrel 201, and wear
Cross feed shaft 2042 and be secured to connect sensor which can be followed to move axially, and can adjust to detection bar
2031 carry out effective contact.The feed shaft 2042 is ensure that in swivel feeding handle 2041, entirely by the setting of circumferential locking
Feed arrangement 204 carries out unnecessary rotation.
The disclosure do not limit above-mentioned feed shaft 2042 by circumferential locking and can in an axially slidable way, alternatively,
In present embodiment, the feed shaft 2042 is the cylinder of major arc arch for cross section.During processing, first feed shaft 2042 is processed
For cylinder, then axial cutting being carried out to which, so as to the rotation stop plane being formed on cylinder periphery, that is, cross section is obtained for major arc
The cylinder of arch, accordingly, the hole for coordinating with which in turnbarrel 201 has same shape, i.e. the two positive.By this
Kind of mode, the circumferential locking that can realize to feed shaft 2042 with simplest means, so as to prevent feed arrangement 204 in non-work
Axial-rotation being carried out as state, and unnecessary rotation is carried out in swivel feeding handle 2041, and passes through rotation stop plane
The slip of feed shaft 2042 can also be realized.Further optionally, in the present embodiment, feeding handle 2041 and turnbarrel
Second bearing 205 is provided between 201 so that feeding handle 2041 can preferably carry out axial direction with respect to turnbarrel 201
Rotate, reduce frictional resistance.Specifically, the part that feeding handle 2041 is installed on turnbarrel 201 is formed as hierarchic structure,
Consequently facilitating installing second bearing 205.
To sum up, present disclose provides a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, the instrument by turnbarrel 201 with respect to
Sample holder 203 is overturn by the axial rotation motion of frame base 202, so as to high temp samples to be poured out the material being correspondingly arranged
In case.Can not only avoid in this way the danger that high temp samples are burned manually is removed, and operating process is simple, carries
The high service efficiency of the instrument.In addition the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided is gone back by arranging feed arrangement 204
Sensor can be realized axially is carrying out position adjustments with close to or away from 2031 end of detection bar such that it is able to according to sample
Size adjusting position, so that sensor and detection bar 2031 carry out effective contact, obtains more accurate data.
The preferred implementation of the disclosure is described in detail above in association with accompanying drawing, but, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, multiple letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variant belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any can also be carried out between a variety of embodiments of the disclosure, as long as which is without prejudice to this
Disclosed thought, which should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, including the sample holder (203) for stretching into heater, sensor and with this
The display system of sensor electrical connection, described sample holder (203) include detection bar (2031) and carrier bar (2032), described
The placing trough being formed with carrier bar (2032) for holding sample, the placing trough upward opening, the detection bar (2031)
End and the sensor contacts, the other end is used for contacting with the sample, it is characterised in that the instrument is also included for installing
The bracket base (202) of sample holder (203), and can be rotatably set in the rotation in the bracket base (202)
Sleeve (201), carrier bar (2032) are fixedly connected with the turnbarrel (201), and described detection bar (2031) pass through should
Bracket base (202) with the sensor contacts.
2. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 1, it is characterised in that the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument
Also include rotary handle (209), described rotary handle (209) are by the handle installation position on the wall of turnbarrel (201) side
(210) it is connected with the turnbarrel (201), bracket base (202) side wall is provided with notch (211) circumferentially,
Rotary handle (209) can circumference slidably pass through the notch (211) to be connected with the turnbarrel (201).
3. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 2, it is characterised in that handle installation position (210) are
Screwed hole, rotary handle (209) are threaded connection with handle installation position (210).
4. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 1, it is characterised in that rotary shaft sleeve (201) are
Cylinder, bracket base (202) are provided with the through hole (2021) for being rotatably mounted the turnbarrel (201), institute
State through hole (2021) and be provided with the boss (2022) for projecting radially inwards near the end face of the sensor for described in positioning
Turnbarrel (201), away from the sensor end face dismountable be provided with end cap (206), the internal diameter of the end cap (206) is little
In the turnbarrel (201) external diameter for position turnbarrel (201).
5. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 4, it is characterised in that rotary shaft sleeve (201)
Two ends are formed as hierarchic structure, to be respectively arranged with clutch shaft bearing (207) between the inwall of the through hole (2021).
6. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 1, it is characterised in that set on bracket base (202)
The first location hole (208) is equipped with, the second location hole (212) on turnbarrel (201), is provided with, the instrument also includes fixed
Position pin, the alignment pin is coordinated with the first location hole (208) screw thread to stretch into or exit the second location hole (212).
7. the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to any one in claim 1-6, it is characterised in that the thermal expansion
Coefficient determination instrument also includes to make the sensor move axially with close to or away from the detection bar (2031) end
Feed arrangement (204).
8. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 7, it is characterised in that described feed arrangement (204) are arranged
In the turnbarrel (201) near the end of the sensor and including feeding handle (2041) and feed shaft (2042),
Feeding handle (2041) are rotatably installed in the end of the turnbarrel (201), feed shaft (2042) and institute
State sensor to be fixedly linked and circumferential locking and axially slidably interior positioned at turnbarrel (201), feed shaft (2042)
Coordinated with the feeding handle (2041) screw thread by the screw thread of outer surface, described feed shaft (2042) are hollow axle, the inspection
Measuring staff (2031) passes through feed shaft (2042) and the sensor contacts.
9. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 8, it is characterised in that described feed shaft (2042) are transversal
Face is the cylinder of major arc arch.
10. MEASURING THE THERMAL EXPANSION COEFFICIENT instrument according to claim 9, it is characterised in that the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument
Device also includes the second bearing (205) being arranged between the feeding handle (2041) and the turnbarrel (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971512.1A CN106442608A (en) | 2016-10-31 | 2016-10-31 | Thermal expansivity determining instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971512.1A CN106442608A (en) | 2016-10-31 | 2016-10-31 | Thermal expansivity determining instrument |
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| CN106442608A true CN106442608A (en) | 2017-02-22 |
Family
ID=58180693
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610971512.1A Pending CN106442608A (en) | 2016-10-31 | 2016-10-31 | Thermal expansivity determining instrument |
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| CN201225989Y (en) * | 2008-06-10 | 2009-04-22 | 北京冶科电子器材有限公司 | Automatization measuring instrument for thermal expansion coefficient |
| CN201464395U (en) * | 2009-07-01 | 2010-05-12 | 洛阳市谱瑞慷达耐热测试设备有限公司 | Mandril-type sample holder for dilatometer |
| CN201561946U (en) * | 2009-07-27 | 2010-08-25 | 洛阳市谱瑞慷达耐热测试设备有限公司 | A multi-sample carrier mechanism for expansion tester |
| CN202216923U (en) * | 2011-08-04 | 2012-05-09 | 中钢集团洛阳耐火材料研究院有限公司 | High temperature thermal expansion instrument with sealed core part |
| CN204027490U (en) * | 2014-07-29 | 2014-12-17 | 上海复旦天欣科教仪器有限公司 | A kind of experimental provision that carrys out slotted line expansion coefficient with clock gauge |
| CN204116258U (en) * | 2014-10-24 | 2015-01-21 | 中国石油天然气集团公司 | A kind of high temperature screen casing thermal expansion coefficient testing device |
| CN204666542U (en) * | 2015-06-15 | 2015-09-23 | 济南大学 | A kind of linear expansion coefficient measuring device |
| CN204964254U (en) * | 2015-09-07 | 2016-01-13 | 迈安德集团有限公司 | Device of taking a sample carries out from airtight space |
| CN105135876A (en) * | 2015-09-09 | 2015-12-09 | 厦门大学 | Continuous production and sintering device for self-supported ceramic thin film |
| CN206208808U (en) * | 2016-10-31 | 2017-05-31 | 北京仁创砂业科技有限公司 | MEASURING THE THERMAL EXPANSION COEFFICIENT instrument |
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