CN220019445U - Test equipment for measuring expansion coefficient of plastic at high and low temperatures - Google Patents
Test equipment for measuring expansion coefficient of plastic at high and low temperatures Download PDFInfo
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- CN220019445U CN220019445U CN202321218014.1U CN202321218014U CN220019445U CN 220019445 U CN220019445 U CN 220019445U CN 202321218014 U CN202321218014 U CN 202321218014U CN 220019445 U CN220019445 U CN 220019445U
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- expansion coefficient
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 229920003023 plastic Polymers 0.000 title claims abstract description 27
- 239000004033 plastic Substances 0.000 title claims abstract description 27
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000704 physical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses test equipment for measuring expansion coefficient of plastics at high and low temperatures, which comprises a main body plate, a test strip, a bottom plate, a dial indicator and a stop block, wherein the top of the bottom plate is connected with the main body plate, one end of the main body plate is provided with a fixed groove, the dial indicator is fixedly arranged in the fixed groove, the surface of the main body plate is provided with the test strip, the other end of the main body plate is fixedly provided with a mounting plate, the surface of the mounting plate is connected with the stop block, the stop block is contacted with the end part of the test strip, the surface of the main body plate is provided with a pressing strip outside the dial indicator, the pressing strip is fixedly arranged on the surface of the main body plate through an M cup head screw, data before and after the test can be rapidly observed and recorded through the dial indicator, the stability of the test strip is ensured through the matching arrangement of a positioning rod, the pressing block and the stop block, and the effect of pressing and fixing can be rapidly and accurately measured in the test process, and whether the expansion coefficient of plastics accords with design and use requirements is judged.
Description
Technical Field
The utility model relates to the technical field of plastic expansion coefficient testing, in particular to testing equipment for measuring the expansion coefficient of plastic at high and low temperatures.
Background
The expansion coefficient of plastic refers to the expansion or contraction degree of the plastic along with the change of temperature, is an important physical property of plastic materials, and the linear expansion of the plastic is generally several times to tens times of that of metal, so that the expansion and contraction of the plastic need to be considered in the practical application or the product design process, which is particularly important for plastic pipelines, because compensation and fixing measures need to be adopted to eliminate the adverse effects caused by the expansion and contraction of the plastic during the design and construction;
in the existing plastic expansion coefficient test, a test strip for testing the plastic expansion coefficient is generally fixed on a main body plate manually, then the plastic strip to be tested is fixed at a measured position manually, then test recording is carried out, the time consumption in the test process is long, the test result accuracy is relatively troublesome, and the test process is relatively long.
Disclosure of Invention
The utility model aims to provide test equipment for measuring the expansion coefficient of plastics at high and low temperatures, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a test equipment of high low temperature measurement plastics coefficient of expansion, includes main part board, test strip, bottom plate, percentage table and dog, the top of bottom plate is connected with the main part board, the fixed slot has been seted up to the one end of main part board, and fixed inslot fixed mounting has the percentage table, main part board surface is provided with the test strip, the other end fixed mounting of main part board has the mounting panel, and the surface connection of mounting panel has the dog, dog and test strip tip contact, main part board surface is located the outside layering that is provided with of percentage table, the layering passes through-M cup screw fixed mounting at main part board surface.
Preferably, the mounting groove has been seted up on the surface of dog, and the mounting groove becomes bar structure, be provided with M cup head screw in the mounting groove, and M cup head screw slides and sets up in the mounting groove, the dog passes through M cup head screw fixed mounting at mounting panel surface.
Preferably, two pressing blocks are arranged on one side of the surface of the main body plate, which is positioned on the test strip, and the two pressing blocks are fixedly arranged on the surface of the main body plate through-M flat head screws.
Preferably, a positioning rod is fixedly arranged on the surface of the main body plate at the other side of the test strip, and the positioning rod is in contact with the test strip.
Preferably, the bottom of the bottom plate is equidistantly provided with M cup head screws, the bottom of the main body plate is provided with mounting holes matched with the M cup head screws, and the main body plate is fixedly mounted at the top of the bottom plate through the M cup head screws.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the data before and after the test can be rapidly observed and recorded through the dial indicator, the stability of the test strip is ensured through the matching arrangement of the positioning rod, the pressing block and the stop block, and the effect of compressing and fixing is achieved through the pressing bar, so that the expansion coefficient of the plastic can be rapidly and accurately measured in the test process, and whether the expansion coefficient of the plastic meets the design and use requirements is judged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is an exploded view of the present utility model.
In the figure: 1. a positioning rod; 2. a main body plate; 3. a test strip; 4. briquetting; 5. a mounting plate; 6. a bottom plate; 7. a dial indicator; 8. m4 cup head screws; 9. a stop block; 10. 3-M8 cup head screws; 11. 2-M4 cup head screws; 12. pressing strips; 13. 2-M4 flat head screws; 14. a mounting groove; 15. a fixing groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a high low temperature measurement plastics coefficient of expansion's test equipment, including main body board 2, test strip 3, bottom plate 6, percentage table 7 and dog 9, the top of bottom plate 6 is connected with main body board 2, fixed slot 15 has been seted up to the one end of main body board 2, and fixed slot 15 internal fixation has percentage table 7, main body board 2 surface is provided with test strip 3, the other end fixed mounting of main body board 2 has mounting panel 5, and the surface connection of mounting panel 5 has dog 9, dog 9 and 3 tip contacts of test strip, main body board 2 surface is located the outside layering 12 that is provided with of percentage table 7, layering 12 is through 2-M4 cup head screw 11 fixed mounting at main body board 2 surface.
The mounting groove 14 has been seted up on the surface of dog 9, and mounting groove 14 becomes the bar structure, is provided with M4 cup head screw 8 in the mounting groove 14, and M4 cup head screw 8 slides and sets up in mounting groove 14, and dog 9 passes through M4 cup head screw 8 fixed mounting at mounting panel 5 surface, can adjust the position of dog 9 to a certain extent through the mounting groove 14 that sets up to can adjust dog 9 according to the test strip 3 of different length, realize blockking fixedly to test strip 3 tip.
The main body plate 2 surface is provided with two briquetting 4 on one side of test strip 3, and two briquetting 4 all play the locking of compressing tightly to test strip 3 through briquetting 4 at main body plate 2 surface through 2-M4 flat head screw 13 fixed mounting to the steadiness of test strip 3 installation on main body plate 2 has been guaranteed to do benefit to more accurate test.
The body plate 2 surface is located the opposite side fixed mounting of test strip 3 and has locating lever 1, and locating lever 1 and test strip 3 contact, has played the fixed effect to one side of test strip 3 through locating lever 1, has effectually prevented the removal of test strip 3.
The bottom equidistance of bottom plate 6 is provided with 3-M8 cup head screw 10, and main part board 2 bottom is provided with the mounting hole with 3-M8 cup head screw 10 complex, and main part board 2 is through 3-M8 cup head screw 10 fixed mounting at the top of bottom plate 6, is convenient for the firm connection between main part board 2 and the bottom plate 6 to the test effect has been guaranteed.
Specifically, when the utility model is used, firstly, the test strip 3 is put in, the test strip 3 is placed between the positioning rod 1 and the pressing block 4, the pressing block 4 is adjusted through the 2-M4 flat head screw 13, the pressing block 4 is used for fixedly locking the test strip 3, the end part of the test strip 3 is blocked and fixed through the stop block 9, the test strip 3 is stably arranged on the main body plate 2, then the dial indicator data before the experiment is recorded, the dial indicator data after the experiment is recorded after the experiment is completed, and finally the expansion coefficient of the tested plastic is rapidly calculated through a formula.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high low temperature measurement plastics coefficient of expansion's test equipment, includes main body board (2), test strip (3), bottom plate (6), percentage table (7) and dog (9), its characterized in that: the top of bottom plate (6) is connected with main part board (2), fixed slot (15) have been seted up to the one end of main part board (2), and fixed mounting has percentage table (7) in fixed slot (15), main part board (2) surface is provided with test strip (3), the other end fixed mounting of main part board (2) has mounting panel (5), and the surface connection of mounting panel (5) has dog (9), dog (9) and test strip (3) tip contact, main part board (2) surface is located the outside layering (12) that is provided with of percentage table (7), layering (12) are through 2-M4 cup head screw (11) fixed mounting at main part board (2) surface.
2. The test device for measuring expansion coefficient of plastic at high and low temperatures according to claim 1, wherein: the surface of dog (9) has seted up mounting groove (14), and mounting groove (14) become bar structure, be provided with M4 cup head screw (8) in mounting groove (14), and M4 cup head screw (8) slip setting is in mounting groove (14), dog (9) are through M4 cup head screw (8) fixed mounting at mounting panel (5) surface.
3. The test device for measuring expansion coefficient of plastic at high and low temperatures according to claim 1, wherein: two pressing blocks (4) are arranged on one side, located on the surface of the main body plate (2), of the test strip (3), and the two pressing blocks (4) are fixedly arranged on the surface of the main body plate (2) through 2-M4 flat head screws (13).
4. A test apparatus for measuring expansion coefficient of plastics at high and low temperatures as claimed in claim 3, wherein: the surface of the main body plate (2) is fixedly provided with a positioning rod (1) at the other side of the test strip (3), and the positioning rod (1) is contacted with the test strip (3).
5. The test device for measuring expansion coefficient of plastic at high and low temperatures according to claim 1, wherein: the bottom equidistance of bottom plate (6) is provided with 3-M8 cup head screw (10), main body board (2) bottom be provided with 3-M8 cup head screw (10) complex mounting hole, main body board (2) are through 3-M8 cup head screw (10) fixed mounting at the top of bottom plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218014.1U CN220019445U (en) | 2023-05-19 | 2023-05-19 | Test equipment for measuring expansion coefficient of plastic at high and low temperatures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218014.1U CN220019445U (en) | 2023-05-19 | 2023-05-19 | Test equipment for measuring expansion coefficient of plastic at high and low temperatures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220019445U true CN220019445U (en) | 2023-11-14 |
Family
ID=88695177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321218014.1U Active CN220019445U (en) | 2023-05-19 | 2023-05-19 | Test equipment for measuring expansion coefficient of plastic at high and low temperatures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220019445U (en) |
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2023
- 2023-05-19 CN CN202321218014.1U patent/CN220019445U/en active Active
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