CN206281809U - A kind of experiment instrument for determining thermal expansion metal coefficient - Google Patents
A kind of experiment instrument for determining thermal expansion metal coefficient Download PDFInfo
- Publication number
- CN206281809U CN206281809U CN201621496788.0U CN201621496788U CN206281809U CN 206281809 U CN206281809 U CN 206281809U CN 201621496788 U CN201621496788 U CN 201621496788U CN 206281809 U CN206281809 U CN 206281809U
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- China
- Prior art keywords
- expansion
- test board
- adjustable plate
- catch bar
- heating tube
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Abstract
The utility model discloses a kind of experiment instrument for determining thermal expansion metal coefficient, including base, heating tube storage recess and heating tube, the top of the base is provided with expansion test board, the upper and lower both sides in inner chamber of the expansion test board are all provided with fluted, the lumen centers position of the expansion test board is provided with sample, and the left and right sides of the sample is mounted on expanding testing apparatus.The experiment instrument of the measure thermal expansion metal coefficient, sample squeezes expansion testing apparatus, adjustable plate can be made to be slided in expansion test board, and expand test board and squeeze spacing ball, spacing ball can be made to squeeze the promotion inside Slideslip of case, press catch bar, catch bar can be made to be operated to outer barrel inner side, spacing ball is set to squeeze in adjustable plate, when reach groove position when, by spring can springing catch bar, make spacing ball enter groove in, adjustable plate is fixed, the coefficient of expansion of sample can be calculated according to the position of adjustable plate.
Description
Technical field
The utility model is related to laboratory apparatus technical field, specially a kind of experiment instrument for determining thermal expansion metal coefficient.
Background technology
It is generally swollen to study material heat using linear expansion coefficient when determining metal heated expansion in current physics experiment teaching
Swollen rule, earlier trials heat test button frequently by vapor, due to there is inconvenience, have abandoned substantially not
With the mensuration modes for using for sample is placed in instrument heating tube more at present, and is passed through hot water heating, after test button is heated
Tiny length change is produced, is then measured using amesdial or optical lever, the shortcoming of the method is that hot water temperature can not surpass
100 degree are crossed, heating amplitude less, hence in so that the thermal expansion length after sample is heated is smaller, influences certainty of measurement, additionally, this
After class laboratory apparatus purchases a period of time, at the gateway of water and sample passes all easy leak at heating tube, and due to heating
Length of tube is limited, and the selection range of specimen length is typically small.Such as patent of Patent No. 201420223608.6, including one
Lower section is provided with a heating tube in cuboid casing, casing, and heating tube top is provided with the thermal trough that a material is aluminum or aluminum alloy,
Thermal trough lower section is provided with a big groove, although, make the uniform stabilization of temperature of thermal trough, but the result of test is inaccurate,
Can not well record and observe change during expansion.
Utility model content
The purpose of this utility model is to provide a kind of experiment instrument for determining thermal expansion metal coefficient, to solve above-mentioned background
The problem proposed in technology.
To achieve the above object, the utility model provides following technical scheme：A kind of reality for determining thermal expansion metal coefficient
Instrument, including base, heating tube storage recess and heating tube are tested, the upper surface of the base is provided with heating tube storage recess, described
The inner chamber of heating tube storage recess is provided with heating tube, and the top of the base is provided with expansion test board, the expansion test
The upper and lower both sides in inner chamber of plate be all provided with it is fluted, it is described expansion test board lumen centers position sample is installed, the sample
The left and right sides is mounted on expanding testing apparatus, and the expansion testing apparatus include adjustable plate, the both sides up and down of the adjustable plate
Surface is equipped with through hole, and the inner chamber left and right sides of the adjustable plate is mounted on sliding guide, and the inner chamber of the adjustable plate is installed
The inner chamber for having outer barrel, the outer barrel is provided with spring, and catch bar is provided with the outside of the spring, and the catch bar passes through spring
It is connected with outer barrel, promotion case is installed on the outside of the catch bar, the catch bar is provided with the junction of case is promoted
Reinforcing plate, the left and right sides of the promotion case is mounted on firm block, and the firm block is connected with sliding guide, described to push away
Spacing ball is installed, the spacing ball runs through through hole, and the spacing ball is connected with groove fit on the outside of dynamic case, the expansion is surveyed
The front of experiment device is provided with the first in command.
Preferably, the left and right sides of the base and expansion test board is mounted on thermal insulation board, and the thermal insulation board includes resistance
Combustion rubberised layer, the lower surface pressing that the lower surface pressing of the fire-retardant rubberised layer has upper glass magnesium layer, the upper glass magnesium layer has glass
Fibrage, the lower surface pressing that the lower surface pressing of the glass layer has lower glass magnesium layer, the lower glass magnesium layer has F-C paint
Layer.
Preferably, the second in command is installed on the outside of the thermal insulation board.
Preferably, the bottom of the base is provided with protection base plate.
Preferably, the spring is provided with securing plate with the junction of catch bar.
Compared with prior art, the beneficial effects of the utility model are：The experiment instrument of the measure thermal expansion metal coefficient, leads to
Crossing can be delivered to temperature on expansion test board to heating tube heating, and the sample of expansion test board inner chamber starts expanded by heating,
Sample squeezes expansion testing apparatus, and adjustable plate can be made to be slided in expansion test board, and expands test board and squeeze spacing ball, leads to
Cross sliding guide to be slidably connected with firm block, spacing ball can be made to squeeze the promotion inside Slideslip of case, catch bar is pressed, by steady
Gu block is connected with sliding guide, while promotion case inside Slideslip, firm block is driven to be slided on sliding guide, energy
The enough stability for strengthening promoting case, catch bar is connected by spring with outer barrel, and catch bar can be made to be operated to outer barrel inner side,
Spacing ball is squeezed in adjustable plate, when reach groove position when, by spring can springing catch bar, enter spacing ball
In groove, adjustable plate is fixed, the coefficient of expansion of sample can be calculated according to the position of adjustable plate, you can measure sample and exist
Thermal expansion length change during different temperatures, and then extrapolate the thermal coefficient of expansion of sample.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is expansion testing apparatus structural representation of the present utility model；
Fig. 3 is outer barrel structural representation of the present utility model；
Fig. 4 is heat insulation plate structure schematic diagram of the present utility model.
In figure：1st, thermal insulation board, 101, fire-retardant rubberised layer, 102, upper glass magnesium layer, 103, glass layer, 104, lower glass magnesium
Layer, 105, F-C paint layer, 2, base, 3, heating tube storage recess, 4, heating tube, 5, protection base plate, 6, expansion test board, 7, the
Leader, 8, groove, 9, expansion testing apparatus, 901, adjustable plate, 902, catch bar, 903, sliding guide, 904, promote case,
905th, reinforcing plate, 906, outer barrel, 907, firm block, 908, spacing ball, 909, securing plate, 910, spring, 911, through hole, 10, examination
Sample, 11, the second in command.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of experiment for determining thermal expansion metal coefficient
Instrument, including base 2, heating tube storage recess 3 and heating tube 4, the upper surface of base 2 is provided with heating tube storage recess 3, heating tube
The inner chamber of storage recess 3 is provided with heating tube 4, and the bottom of base 2 is provided with protection base plate 5, is prevented from by protecting base plate 5
Base 2 weares and teares, and the top of base 2 is provided with expansion test board 6, and the upper and lower both sides in inner chamber for expanding test board 6 are all provided with fluted 8,
The lumen centers position for expanding test board 6 is provided with sample 10, and the left and right sides of sample 10 is mounted on expanding testing apparatus 9,
Heated to heating tube 4 first, temperature can be delivered on expansion test board 6, the sample 10 of expansion test board 6 inner chamber starts to receive
Thermal expansion, sample 10 squeezes expansion testing apparatus 9, and expansion testing apparatus 9 include adjustable plate 901, the both sides up and down of adjustable plate 901
Surface is equipped with through hole 911, and the inner chamber left and right sides of adjustable plate 901 is mounted on sliding guide 903, the inner chamber of adjustable plate 901
Outer barrel 906 is installed, the inner chamber of outer barrel 906 is provided with spring 910, and the outside of spring 910 is provided with catch bar 902, spring 910
Securing plate 909 is installed with the junction of catch bar 902, the stability of reinforcement spring 910 is capable of by securing plate 909, promote
Bar 902 is connected by spring 910 with outer barrel 906, and the outside of catch bar 902 is provided with promotion case 904, catch bar 902 with
Promote the junction of case 904 that reinforcing plate 905 is installed, promote the left and right sides of case 904 to be mounted on firm block 907, consolidate block
907 are connected with sliding guide 903, are connected with sliding guide 903 by firm block 907, when promotion case 904 is to inner side
While slip, drive firm block 907 to be slided on sliding guide 903, can strengthen promoting the stability of case 904, promote case
904 outside is provided with spacing ball 908, and spacing ball 908 runs through through hole 911, and spacing ball 908 coordinates with groove 8 and is connected, can make
Adjustable plate 901 is slided in expansion test board 6, and is expanded test board 6 and is squeezed spacing ball 908, by sliding guide 903 with it is firm
Block 907 is slidably connected, and spacing ball 908 can be made to squeeze the promotion inside Slideslip of case 904, presses catch bar 902, catch bar 902
It is connected with outer barrel 906 by spring 910, catch bar 902 can be made to the running of the inner side of outer barrel 906, squeezes spacing ball 908
To in adjustable plate 901, when reach groove 8 position when, by spring 910 can springing catch bar 902, enter spacing ball 908
Enter in groove 8, adjustable plate 901 is fixed, the coefficient of expansion of sample 10 can be calculated according to the position of adjustable plate 901, it is swollen
The front of swollen testing apparatus 9 is provided with the first in command 7, and the first in command 7 can pull expansion testing apparatus 9 after off-test
Original place is gone back to, base 2 is mounted on thermal insulation board 1 with the left and right sides of expansion test board 6, and thermal insulation board 1 includes fire-retardant rubberised layer 101,
The lower surface pressing that the lower surface pressing of fire-retardant rubberised layer 101 has upper glass magnesium layer 102, upper glass magnesium layer 102 has glass layer
103, the lower surface pressing that the lower surface pressing of glass layer 103 has lower glass magnesium layer 104, lower glass magnesium layer 104 has F-C paint layer
105,105 can be prevented fires by upper glass magnesium layer 102, lower glass magnesium layer 104 and F-C paint layer, fire-retardant and good environmental protection, due to resistance
Fire rubberised layer 101 and glass layer 103 and then with heat-resisting, high intensity, high abrasion, good flexibility, low-shrinkage, chemistry knot
Structure stabilization, it is heat-insulated the advantages of, prevent base 2 and expansion test board 6 left and right sides surface scald staff, thermal insulation board 1
Outside is provided with the second in command 11, can conveniently take dynamic by the second in command 11.
When using, heated to heating tube 4 first, temperature can be delivered on expansion test board 6, in expansion test board 6
The sample 10 in chamber starts expanded by heating, and sample 10 squeezes expansion testing apparatus 9, and adjustable plate 901 can be made to expand in test board 6
Slide, and expand test board 6 and squeeze spacing ball 908, spacing ball 908 can be made to squeeze the promotion inside Slideslip of case 904, press and push away
Lever 902, is connected by firm block 907 with sliding guide 903, while 904 inside Slideslip of case is promoted, is driven steady
Gu block 907 is slided on sliding guide 903, can strengthen promote case 904 stability, catch bar 902 by spring 910 with it is outer
Cylinder 906 is connected, and catch bar 902 can be made to the running of the inner side of outer barrel 906, spacing ball 908 is squeezed in adjustable plate 901,
When reach groove 8 position when, by spring 910 can springing catch bar 902, make spacing ball 908 enter groove 8 in, exchange
Section plate 901 is fixed, and the coefficient of expansion of sample 10 can be calculated according to the position of adjustable plate 901, you can measure sample 10 and exist
Thermal expansion length change during different temperatures.
In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " two ends " or position close
System is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, rather than
Indicate or imply signified device or element and must have specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " spinning " should be interpreted broadly, for example, can be fixedly connected, it is also possible to be to be detachably connected, or integrally；
Can mechanically connect, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It will be appreciated that these embodiments can be carried out with various changes in the case where principle of the present utility model and spirit is not departed from, repaiied
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of experiment instrument for determining thermal expansion metal coefficient, including base (2), heating tube storage recess (3) and heating tube
(4), the upper surface of the base (2) is provided with heating tube storage recess (3), and the inner chamber of the heating tube storage recess (3) is installed
There is heating tube (4), it is characterised in that：The top of the base (2) is provided with expansion test board (6), expansion test board (6)
The upper and lower both sides in inner chamber be all provided with fluted (8), it is described expansion test board (6) lumen centers position sample (10), institute are installed
The left and right sides for stating sample (10) is mounted on expansion testing apparatus (9), and expansion testing apparatus (9) is including adjustable plate
(901), the both side surface up and down of the adjustable plate (901) is equipped with through hole (911), inner chamber of the adjustable plate (901) or so
Both sides are mounted on sliding guide (903), and the inner chamber of the adjustable plate (901) is provided with outer barrel (906), the outer barrel (906)
Inner chamber spring (910) is installed, catch bar (902) is installed on the outside of the spring (910), the catch bar (902) is led to
Cross spring (910) to be connected with outer barrel (906), promotion case (904) is installed on the outside of the catch bar (902), it is described to push away
Lever (902) is provided with reinforcing plate (905) with the junction of case (904) is promoted, and the left and right sides for promoting case (904) is pacified
Equipped with firm block (907), the firm block (907) is connected with sliding guide (903), the outside of promotion case (904)
Spacing ball (908) is installed, the spacing ball (908) coordinates phase through through hole (911), the spacing ball (908) with groove (8)
Even, the front of expansion testing apparatus (9) is provided with the first in command (7).
2. it is according to claim 1 it is a kind of determine thermal expansion metal coefficient experiment instrument, it is characterised in that：The base
(2) and expansion test board (6) the left and right sides be mounted on thermal insulation board (1), the thermal insulation board (1) includes fire-retardant rubberised layer
(101), the lower surface pressing of the fire-retardant rubberised layer (101) has upper glass magnesium layer (102), the following table of upper glass magnesium layer (102)
Face pressure is closed a glass layer (103), and the lower surface pressing of the glass layer (103) has lower glass magnesium layer (104), it is described under
The lower surface pressing of glass magnesium layer (104) has F-C paint layer (105).
3. it is according to claim 2 it is a kind of determine thermal expansion metal coefficient experiment instrument, it is characterised in that：The thermal insulation board
(1) second in command (11) is installed on the outside of.
4. it is according to claim 1 it is a kind of determine thermal expansion metal coefficient experiment instrument, it is characterised in that：The base
(2) bottom is provided with protection base plate (5).
5. it is according to claim 1 it is a kind of determine thermal expansion metal coefficient experiment instrument, it is characterised in that：The spring
(910) junction with catch bar (902) is provided with securing plate (909).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621496788.0U CN206281809U (en) | 2016-12-29 | 2016-12-29 | A kind of experiment instrument for determining thermal expansion metal coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621496788.0U CN206281809U (en) | 2016-12-29 | 2016-12-29 | A kind of experiment instrument for determining thermal expansion metal coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281809U true CN206281809U (en) | 2017-06-27 |
Family
ID=59072095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621496788.0U Expired - Fee Related CN206281809U (en) | 2016-12-29 | 2016-12-29 | A kind of experiment instrument for determining thermal expansion metal coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295607A (en) * | 2021-05-26 | 2021-08-24 | 重庆市精平艺门业有限公司 | Worm-eaten hot flash experiment equipment for wooden door and using method thereof |
-
2016
- 2016-12-29 CN CN201621496788.0U patent/CN206281809U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295607A (en) * | 2021-05-26 | 2021-08-24 | 重庆市精平艺门业有限公司 | Worm-eaten hot flash experiment equipment for wooden door and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171229 |