CN215910282U - Brinell hardness test heat preservation device under low temperature condition - Google Patents
Brinell hardness test heat preservation device under low temperature condition Download PDFInfo
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- CN215910282U CN215910282U CN202122435520.3U CN202122435520U CN215910282U CN 215910282 U CN215910282 U CN 215910282U CN 202122435520 U CN202122435520 U CN 202122435520U CN 215910282 U CN215910282 U CN 215910282U
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- upright post
- pressure head
- workbench
- brinell hardness
- insulation
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- 238000004321 preservation Methods 0.000 title claims abstract description 23
- 238000007546 Brinell hardness test Methods 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A heat preservation device for Brinell hardness test under low temperature condition. The utility model aims to solve the problem of the requirement of the Brinell hardness test on low-temperature test conditions. The steel ball thermal insulation device comprises a pressure head upright post, a main shaft bushing, an upright post positioning pin, a workbench upright post, a pressure head positioning pin, a refrigerator, a thermal insulation coating, an insulation can, a steel ball pressure head and the like, wherein the pressure head upright post drives the steel ball pressure head to reciprocate and linearly move along the vertical direction, the workbench upright post drives the workbench to reciprocate and linearly move along the vertical direction, and the refrigerator carries out refrigeration treatment on the insulation can. The utility model can realize the Brinell hardness test at low temperature.
Description
Technical Field
The utility model relates to a heat preservation device for a Brinell hardness test under a low temperature condition, and belongs to the field of Brinell hardness tests.
Background
The Brinell hardness is a conventional means for testing the surface hardness of the material, has the advantages of high precision, large indentation area, capability of reflecting the average hardness of the material, repeatability of data and the like, and is suitable for measuring the hardness of materials such as cast iron, steel, nonferrous metals and the like.
The temperature influences the hardness value of the material, and the material becomes brittle and the hardness changes along with the reduction of the service environment temperature, so that the test of the Brinell hardness of the surface of the material under the low-temperature test condition has important significance.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the Brinell hardness test needs low-temperature test conditions, the utility model provides a heat preservation device for the Brinell hardness test under the low-temperature condition. The Brinell hardness test heat preservation device disclosed by the utility model has the characteristic of realizing continuous low-temperature change.
The technical scheme adopted by the utility model for solving the problems is as follows:
the utility model discloses a heat preservation device for a Brinell hardness test under a low temperature condition, which comprises a sample 1, a pressure head upright post 2, a main shaft bushing 3, an upright post positioning pin 4, a workbench upright post 5, a pressure head positioning pin 6, a thermocouple 7, a refrigeration pipeline 8, a refrigerator 9, a heat insulation coating 10, an incubator 11, a chamber door 12, a steel ball pressure head 13 and a workbench 14,
the pressure head upright post 2 is detachably arranged on a main shaft bushing 3 of a Brinell hardness tester through an upright post positioning pin 4, the steel ball pressure head 13 is detachably arranged on the pressure head upright post 2 through a pressure head positioning pin 6, the workbench 14 is detachably arranged on the workbench upright post 5 in a threaded manner, the sample 1 is arranged on the workbench 14, the pressure head upright post 2 penetrates through the upper surface of the heat preservation box 11, the workbench upright post 5 penetrates through the lower surface of the heat preservation box 11, the thermocouple 7 penetrates through the heat preservation box 11, the box door 12 can be opened and closed and is arranged on the side surface of the heat preservation box 11, the heat insulation coating 10 is arranged on the inner wall of the heat preservation box 11, the pressure head upright post 2 drives the steel ball pressure head 13 to reciprocate linearly along the vertical direction, the workbench upright post 5 drives the workbench 14 to reciprocate linearly along the vertical direction, the refrigerator 9 is detachably and hermetically connected to the heat insulation box 11 through a refrigeration pipeline 8, and the refrigerator 9 performs refrigeration treatment on the heat insulation box 11.
Further, the temperature of the heat preservation box 11 is controlled to be-80 ℃ to 20 ℃.
The utility model has the beneficial effects that: the utility model provides a heat preservation device for a Brinell hardness test under a low-temperature condition, which can provide a low-temperature environment with continuously controllable temperature and measure the Brinell hardness value of a sample, and meets the test requirement of the Brinell hardness under the low-temperature condition.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The names and reference numbers of the components involved in the figures are as follows:
the device comprises a sample 1, a pressure head upright post 2, a main shaft bushing 3, an upright post positioning pin 4, a workbench upright post 5, a pressure head positioning pin 6, a thermocouple 7, a refrigeration pipeline 8, a refrigerator 9, a heat insulation coating 10, an incubator 11, a box door 12, a steel ball pressure head 13 and a workbench 14.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and the thermal insulation device for the brinell hardness test under low temperature comprises a sample 1, a pressure head column 2, a spindle bushing 3, a column positioning pin 4, a workbench column 5, a pressure head positioning pin 6, a thermocouple 7, a refrigeration pipeline 8, a refrigerator 9, a thermal insulation coating 10, an insulation box 11, a box door 12, a steel ball pressure head 13 and a workbench 14,
the pressure head upright post 2 is detachably arranged on a main shaft bushing 3 of a Brinell hardness tester through an upright post positioning pin 4, the steel ball pressure head 13 is detachably arranged on the pressure head upright post 2 through a pressure head positioning pin 6, the workbench 14 is detachably arranged on the workbench upright post 5 in a threaded manner, the sample 1 is arranged on the workbench 14, the pressure head upright post 2 penetrates through the upper surface of the heat preservation box 11, the workbench upright post 5 penetrates through the lower surface of the heat preservation box 11, the thermocouple 7 penetrates through the heat preservation box 11, the box door 12 can be opened and closed and is arranged on the side surface of the heat preservation box 11, the heat insulation coating 10 is arranged on the inner wall of the heat preservation box 11, the pressure head upright post 2 drives the steel ball pressure head 13 to reciprocate linearly along the vertical direction, the workbench upright post 5 drives the workbench 14 to reciprocate linearly along the vertical direction, the refrigerator 9 is detachably and hermetically connected to the heat insulation box 11 through a refrigeration pipeline 8, and the refrigerator 9 performs refrigeration treatment on the heat insulation box 11.
The second embodiment is as follows: referring to FIG. 1, the temperature of the incubator 11 of the incubation apparatus for Brinell hardness test under low temperature conditions according to this embodiment is controlled to be-80 to 20 ℃. Other components and connections are the same as those in the first embodiment.
The working process of the utility model is as follows:
step one, mounting a pressure head upright post 2 on a main shaft bushing 3 of a Brinell hardness tester, and mounting a steel ball pressure head 13 on the pressure head upright post 2;
step two, enabling the workbench upright post 5 to penetrate through the lower surface of the heat insulation box 11, and installing the workbench 14 on the workbench upright post 5;
step three, opening the box door 12, placing the sample 1 on the workbench 14, and closing the box door 12;
and step four, starting the refrigerator 9 to control the temperature of the heat preservation box 11 to be less than or equal to minus 30 ℃, and then carrying out Brinell hardness test.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (2)
1. The utility model provides a experimental heat preservation device of brinell hardness under low temperature condition which characterized in that: the heat preservation device for the Brinell hardness test under the low-temperature condition comprises a sample (1), a pressure head upright post (2), a main shaft bushing (3), an upright post positioning pin (4), a workbench upright post (5), a pressure head positioning pin (6), a thermocouple (7), a refrigeration pipeline (8), a refrigerator (9), a heat insulation coating (10), a heat preservation box (11), a box door (12), a steel ball pressure head (13) and a workbench (14);
the steel ball heat insulation device is characterized in that a pressure head upright post (2) is detachably mounted on a main shaft bushing (3) of a Brinell hardness tester through an upright post positioning pin (4), a steel ball pressure head (13) is detachably mounted on the pressure head upright post (2) through a pressure head positioning pin (6), a workbench (14) is detachably mounted on a workbench upright post (5) in a threaded manner, a sample (1) is positioned on the workbench (14), the pressure head upright post (2) penetrates through the upper surface of an insulation can (11), the workbench upright post (5) penetrates through the lower surface of the insulation can (11), a thermocouple (7) penetrates through the insulation can (11), a box door (12) can be opened and closed and is mounted on the side surface of the insulation can (11), a heat insulation coating (10) is positioned on the inner wall of the insulation can (11), the pressure head upright post (2) drives the steel ball pressure head (13) to reciprocate linearly along the vertical direction, the workbench upright post (5) drives the workbench (14) to reciprocate linearly along the vertical direction, the refrigerator (9) is detachably and hermetically connected to the heat insulation box (11) through a refrigeration pipeline (8), and the refrigerator (9) performs refrigeration treatment on the heat insulation box (11).
2. The thermal insulation device for the Brinell hardness test under the low temperature condition of claim 1, wherein the temperature of the thermal insulation box (11) is controlled to be-80 ℃ to 20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435520.3U CN215910282U (en) | 2021-10-10 | 2021-10-10 | Brinell hardness test heat preservation device under low temperature condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435520.3U CN215910282U (en) | 2021-10-10 | 2021-10-10 | Brinell hardness test heat preservation device under low temperature condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215910282U true CN215910282U (en) | 2022-02-25 |
Family
ID=80311902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122435520.3U Active CN215910282U (en) | 2021-10-10 | 2021-10-10 | Brinell hardness test heat preservation device under low temperature condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215910282U (en) |
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2021
- 2021-10-10 CN CN202122435520.3U patent/CN215910282U/en active Active
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