CN207423727U - A kind of physical experiments block stone density measuring equipment - Google Patents
A kind of physical experiments block stone density measuring equipment Download PDFInfo
- Publication number
- CN207423727U CN207423727U CN201721318278.9U CN201721318278U CN207423727U CN 207423727 U CN207423727 U CN 207423727U CN 201721318278 U CN201721318278 U CN 201721318278U CN 207423727 U CN207423727 U CN 207423727U
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- China
- Prior art keywords
- block stone
- cross bar
- container
- string bag
- bar
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- 239000004575 stone Substances 0.000 title claims abstract description 58
- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of physical experiments block stone density measuring equipments, include container (such as bucket), stent and the string bag for filling block stone, stent includes upright bar and cross bar, and cross bar is mounted in upright bar, and container is positioned between two upright bars and below cross bar；One spring scale is installed, the string bag hangs on that formed on spring scale can oscilaltion structure on cross bar；Water is contained in container, the string bag is suspended from container.The utility model utilizes the calculation formula of buoyancy, and by the height of adjusting block stone, measurement obtains the quality of block stone different conditions, and then can quickly and easily calculate the volume of block stone, so as to calculate the density of block stone.Whole device is simple in structure, it is workable, compared with graduated cylinder method, it is capable of the density of more quick measuring block stone, it and being capable of one-shot measurement is a large amount of or volume is larger block stone, so as to obtain the numerical value of block stone density in a certain range, while also avoid the large error come because reading graduated cylinder sensing tape.
Description
Technical field
The utility model is related to density measuring equipment technical fields, and in particular to one kind is for block stone in physical experiments
Density measuring equipment.
Background technology
Physical experiments are widely used during the design and construction of hydraulic engineering at present, in order to ensure
The accuracy of physical experiments result is, it is necessary to which the block stone density of the density of block stone and prototype is kept strictly used by ensureing
It is similar.At present in physical experiments are carried out, the density of graduated cylinder method measuring block stone is usually used, main operating procedure is
The water of a part is injected in graduated cylinder first, the reading of the water surface at this time is write down, then block stone is also placed in graduated cylinder, is write down at this time
The reading of the water surface, and then obtain the volume of block stone, according to the ratio between the quality of block stone and volume so as to obtaining the density of block stone.It is this
Method there are it is certain the defects of：First, the size of graduated cylinder is limited, can not carry out density measure to substantial amounts of block stone；Secondly, use
, it is necessary to wait water surface calmness that could read when graduated cylinder method measures, the time for measuring consuming is longer；3rd, throughput
Relatively large error is easily generated during cylinder reading.
Utility model content
The utility model is directed to shortcoming existing in the prior art, provides a kind of simple in structure, easy to operate, measuring speed
Soon, the fast physical experiments block stone density measuring equipment of big gauge block stone, measuring speed can be measured.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of physical experiments block stone is close
Spend measuring device, it is characterised in that：Include container (such as bucket), stent and the string bag for filling block stone, stent and include vertical
Bar and cross bar, cross bar are mounted in upright bar, and container is positioned between two upright bars and below cross bar；One bullet is installed on cross bar
Spring scale, the string bag hang on spring scale formed can oscilaltion structure；Water is contained in container, the string bag is suspended from container.
Further, several connecting holes are equipped in two upright bars, connecting hole is is arranged above and below, and the connection of two upright bars of left and right
The mutual horizontal alignment in hole；The cross bar by patch soon pin be installed in one pair of which connecting hole formed it is adjustable for height suspension tie
Structure, by the way that cross bar is mounted in the connecting hole of different height, so that the string bag immerses or depart from the water in container.
Further, the string bag is hung on by a lanyard on spring scale, and spring scale is fixed on horizontal stroke by a lantern ring
On bar.
Further, the upright bar is perpendicularly fixed at by its bottom on a bottom plate, and bottom plate is fixed on a pedestal, container
It is positioned between two pedestals.
Preferably, the upright bar, cross bar, bottom plate and pedestal are made of metal, and the bottom of upright bar is welded on bottom plate,
Bottom plate is fixed on by rivet on pedestal, to reach higher load-bearing capacity.
Measurement process：Block stone is fitted into the string bag, and make block stone all on the water surface more than, block stone is measured by spring scale
Dry weight m1；The height of spring scale is adjusted by cross bar, block stone is made to submerge, the wet of block stone is measured by spring scale
Weight m2；According to the above-mentioned block stone dry weight m1 measured and wet weight m2, the volume of block stone, i.e. V=(m1- can be calculated
m2)/ρ0, wherein the unit of weight of block stone be gram (g), ρ0For the density (g/cm of water3), so as to obtain the density p of block stone1
=m1/V, unit g/cm3。
The utility model utilizes the calculation formula of buoyancy, and by the height of adjusting block stone, measurement obtains block stone different conditions
Quality, and then the volume of block stone can be quickly and easily calculated, so as to calculate the density of block stone.The letter of whole device structure
It is single, it is workable, compared with graduated cylinder method, be capable of the density of more quick measuring block stone, and can one-shot measurement it is a large amount of
Or the block stone that volume is larger, so as to obtain the numerical value of block stone density in a certain range, while also avoid and read because reading graduated cylinder
The large error that number is brought.
Description of the drawings
Fig. 1 is the utility model structure diagram.
In figure, 1 is container, and 2 be water, and 3 block stones, 4 be the string bag, and 5 be lanyard, and 6 be spring scale, and 7 cross bars, 8 be lantern ring,
9 be connecting hole, and 10 be rivet, and 11 be bottom plate, and 12 be pedestal, and 13 be upright bar.
Specific embodiment
In the present embodiment, with reference to Fig. 1, the physical experiments block stone density measuring equipment includes container 1, stent
With for filling the string bag 4 of block stone, stent includes upright bar 13 and cross bar 7, and cross bar 7 is mounted in upright bar 13, and container 1 is positioned over two
Between upright bar 13 and positioned at 7 lower section of cross bar；One spring scale 6 is installed on cross bar 7, the string bag 4 hang on spring scale 6 formed can on
Lower lifting structure；Water is contained in container 1, the string bag 4 is suspended from container 1.
Several connecting holes 9 are equipped in two upright bars 13, connecting hole 9 is is arranged above and below, and the connecting hole 9 of two upright bars 13 of left and right
Mutual horizontal alignment；The cross bar 7 by patch soon pin be installed in one pair of which connecting hole 9 formed it is adjustable for height suspension tie
Structure, by the way that cross bar 7 is mounted in the connecting hole 9 of different height, so that the string bag 4 immerses or depart from the water in container 1.
The string bag 4 is hung on by a lanyard 5 on spring scale 6, and spring scale 6 is fixed on cross bar 7 by a lantern ring 8
On.
The upright bar 13 is perpendicularly fixed at by its bottom on a bottom plate 11, and bottom plate 11 is fixed on a pedestal 12, container 1
It is positioned between two pedestals 12.
The upright bar 13, cross bar 7, bottom plate 11 and pedestal 12 are made of metal, and the bottom of upright bar 13 is welded on bottom plate
On 11, bottom plate 11 is fixed on by rivet 10 on pedestal 12, to reach higher load-bearing capacity.
Measurement process：Block stone is fitted into the string bag 4, and make block stone all on the water surface more than, block is measured by spring scale 6
The dry weight m1 of stone；The height of spring scale 6 is adjusted by cross bar 7, block stone is made to be totally immersed into water 2, block is measured by spring scale 6
The wet weight m2 of stone；According to the above-mentioned block stone dry weight m1 measured and wet weight m2, the volume of block stone, i.e. V can be calculated
=(m1-m2)/ρ0, wherein the unit of weight of block stone be gram (g), ρ0For the density (g/cm of water3), so as to obtain block stone
Density p1=m1/V, unit g/cm3。
The utility model is described in detail above, it is described above, be only the utility model preferred embodiment and
, it is when the utility model practical range cannot be limited, i.e., all to make equivalent changes and modifications according to the application scope, it all should still belong to this
In utility model covering scope.
Claims (5)
1. a kind of physical experiments block stone density measuring equipment, it is characterised in that：Include container, stent and for filling block stone
The string bag, stent includes upright bar and cross bar, and cross bar is mounted in upright bar, and container is positioned between two upright bars and under cross bar
Side；One spring scale is installed, the string bag hangs on that formed on spring scale can oscilaltion structure on cross bar；Water is contained in container,
The string bag is suspended from container.
2. physical experiments block stone density measuring equipment according to claim 1, it is characterised in that：It is set in two upright bars
There are several connecting holes, connecting hole is is arranged above and below, and the mutual horizontal alignment of connecting hole of two upright bars of left and right；The cross bar passes through fast
It patches pin and is installed in one pair of which connecting hole and form adjustable for height suspended structure.
3. physical experiments block stone density measuring equipment according to claim 1, it is characterised in that：The string bag passes through
One lanyard is hung on spring scale, and spring scale is fixed on by a lantern ring on cross bar.
4. physical experiments block stone density measuring equipment according to claim 1, it is characterised in that：The upright bar passes through
Its bottom is perpendicularly fixed on a bottom plate, and bottom plate is fixed on a pedestal, and container is positioned between two pedestals.
5. physical experiments block stone density measuring equipment according to claim 4, it is characterised in that：The upright bar, horizontal stroke
Bar, bottom plate and pedestal are made of metal, and the bottom of upright bar is welded on bottom plate, and bottom plate is fixed on by rivet on pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318278.9U CN207423727U (en) | 2017-10-13 | 2017-10-13 | A kind of physical experiments block stone density measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318278.9U CN207423727U (en) | 2017-10-13 | 2017-10-13 | A kind of physical experiments block stone density measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423727U true CN207423727U (en) | 2018-05-29 |
Family
ID=62311262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721318278.9U Expired - Fee Related CN207423727U (en) | 2017-10-13 | 2017-10-13 | A kind of physical experiments block stone density measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207423727U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142143A (en) * | 2018-08-17 | 2019-01-04 | 中国石油天然气集团有限公司 | A method of loose densities of rocks and minerals is measured using fabric pack |
| CN110018082A (en) * | 2019-05-06 | 2019-07-16 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of detection method of hollow glass micropearl specific gravity |
| CN110608967A (en) * | 2019-09-20 | 2019-12-24 | 黔南民族师范学院 | Method for measuring ceramic expansion and contraction rate |
| CN111487159A (en) * | 2020-05-22 | 2020-08-04 | 安徽师范大学 | Density measuring device based on communication technology of Internet of things |
-
2017
- 2017-10-13 CN CN201721318278.9U patent/CN207423727U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142143A (en) * | 2018-08-17 | 2019-01-04 | 中国石油天然气集团有限公司 | A method of loose densities of rocks and minerals is measured using fabric pack |
| CN110018082A (en) * | 2019-05-06 | 2019-07-16 | 中建材蚌埠玻璃工业设计研究院有限公司 | A kind of detection method of hollow glass micropearl specific gravity |
| CN110018082B (en) * | 2019-05-06 | 2022-02-18 | 中建材蚌埠玻璃工业设计研究院有限公司 | Method for detecting specific gravity of hollow glass beads |
| CN110608967A (en) * | 2019-09-20 | 2019-12-24 | 黔南民族师范学院 | Method for measuring ceramic expansion and contraction rate |
| CN111487159A (en) * | 2020-05-22 | 2020-08-04 | 安徽师范大学 | Density measuring device based on communication technology of Internet of things |
| CN111487159B (en) * | 2020-05-22 | 2020-12-25 | 安徽师范大学 | Density measuring device based on communication technology of Internet of things |
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| 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: 20180529 |