CN108507904A - A kind of solid density measuring platform based on spring scale - Google Patents
A kind of solid density measuring platform based on spring scale Download PDFInfo
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- CN108507904A CN108507904A CN201710127235.0A CN201710127235A CN108507904A CN 108507904 A CN108507904 A CN 108507904A CN 201710127235 A CN201710127235 A CN 201710127235A CN 108507904 A CN108507904 A CN 108507904A
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- Prior art keywords
- solid
- spring scale
- fixing device
- density
- liquid container
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/08—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring buoyant force of solid materials by weighing both in air and in a liquid
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- Physics & Mathematics (AREA)
- 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 Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The close measuring table of solid based on spring scale, the density of solid can be accurately measured with Archimedes buoyancy principle.Platform is made of pedestal, liquid container, solid fixing device, spring scale, spring scale fixing device, cradling piece.Liquid container is mounted on the underface of spring scale, and it can be moved up and down along holder is dry, solid fixing device is that the sphere that can be opened and closed is used for holding tested solid, spring scale and the flexible connection of spring scale fixing device, so that with the spring scale for changing different ranges, fixing device can be moved up and down along cradling piece.Measurement method is simple, the first step, and first tested solid is put into solid fixing device, measures the aerial mass M of solid1, tested solid is put into equipped with known density (ρ by second step2) liquid liquid container in, measure the mass M of solid in a liquid2, then density of solid obtained by Archimedes principle.
Description
Technical field
This patent is related to solid density measuring field, close more particularly to a kind of irregular shape solid based on spring scale
The measuring table of degree.
Background technology
Currently, existing solid density measuring method is essentially divided into two kinds, one is direct computing methods, for regular shape
Solid can obtain volume according to size, then then its quality of scale obtains density of solid by density calculation formula, for not
The solid of regular shape cannot obtain volume according to size, and volume can only be measured by drainage so as to cause cubing error
Larger, final density of solid error is very big；Another kind is to measure density, this density of solid based on Archimedes buoyancy principle
Measurement method is divided into two steps, and the first step measures the mass M for being tested solid in air1；Second step, then tested solid is put into
Known density ρ2Liquid in measure be tested solid mass M2, then density of solid is calculated by formula, the method uses electricity
More complicated when sub- balance measurement solid masses, efficiency is low.
Invention content
For solid density measuring, this patent proposes a kind of close measuring table of the solid based on spring scale.
Realize the measuring table of above-mentioned technical proposal, by pedestal 1, liquid container 2, solid fixing device 3, spring scale 4, bullet
Spring scale fixing device 5, cradling piece 6 form.It is characterized in that：Liquid container 2 is mounted on the underface of spring scale 4, and can be along
Holder dry 6 moves up and down, and solid fixing device 3 is that the sphere that can be opened and closed is used for holding tested solid, spring scale 4 and spring scale
Fixing device 5 is flexibly connected, so that with the spring scale for changing different ranges, fixing device 5 can be moved up and down along cradling piece 6.
The advantages of this patent：Measuring table is simple in structure, and measuring device can be processed voluntarily, and measurement method is easy.
Description of the drawings
This patent is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 measuring table structure charts；
Wherein, 1. pedestal, 2. liquid containers, 3. solid fixing devices, 4. spring scales, 5. spring scale fixing devices, 6.
Hack lever.
Specific implementation mode
Measuring table can accurately measure the density of solid with Archimedes buoyancy principle.When measuring density, the
Tested solid is first put into solid fixing device 3 by one step, measures the aerial mass M of solid1, second step, by liquid
Known density (ρ is packed into container 22) liquid, then liquid container 2 is moved upwardly so that solid is totally immersed into liquid, at this time
The mass M of solid in a liquid is measured again2, finally by calculation formula ρ=ρ2·M1/(M1-M2) density of solid is calculated, usually
Known liquid is pure water or alcohol.
Claims (1)
1. kind of the solid density measuring platform based on spring scale, by pedestal 1, liquid container 2, solid fixing device 3, spring scale 4,
Spring scale fixing device 5, cradling piece 6 form.It is characterized in that：Liquid container 2 is mounted on the underface of spring scale 4, and can edge
It holder dry 6 to move up and down, solid fixing device 3 is that the sphere that can be opened and closed is used for holding tested solid, spring scale 4 and spring
Scale fixing device 5 is flexibly connected, so that with the spring scale for changing different ranges, fixing device 5 can move down on cradling piece 6
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127235.0A CN108507904A (en) | 2017-02-27 | 2017-02-27 | A kind of solid density measuring platform based on spring scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127235.0A CN108507904A (en) | 2017-02-27 | 2017-02-27 | A kind of solid density measuring platform based on spring scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108507904A true CN108507904A (en) | 2018-09-07 |
Family
ID=63374204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710127235.0A Pending CN108507904A (en) | 2017-02-27 | 2017-02-27 | A kind of solid density measuring platform based on spring scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108507904A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608967A (en) * | 2019-09-20 | 2019-12-24 | 黔南民族师范学院 | Method for measuring ceramic expansion and contraction rate |
| CN112255140A (en) * | 2020-10-10 | 2021-01-22 | 柳州工学院 | Intelligent liquid density detector |
-
2017
- 2017-02-27 CN CN201710127235.0A patent/CN108507904A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608967A (en) * | 2019-09-20 | 2019-12-24 | 黔南民族师范学院 | Method for measuring ceramic expansion and contraction rate |
| CN112255140A (en) * | 2020-10-10 | 2021-01-22 | 柳州工学院 | Intelligent liquid density detector |
| CN112255140B (en) * | 2020-10-10 | 2023-07-25 | 柳州工学院 | Intelligent detector for liquid density |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180907 |
|
| WD01 | Invention patent application deemed withdrawn after publication |