CN205808831U - A kind of granule contact mechanics attribute testing test device - Google Patents
A kind of granule contact mechanics attribute testing test device Download PDFInfo
- Publication number
- CN205808831U CN205808831U CN201620557002.5U CN201620557002U CN205808831U CN 205808831 U CN205808831 U CN 205808831U CN 201620557002 U CN201620557002 U CN 201620557002U CN 205808831 U CN205808831 U CN 205808831U
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- CN
- China
- Prior art keywords
- steel ball
- power set
- bearing disc
- placing trough
- ball placing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model relates to a kind of granule contact mechanics attribute testing test device, including support, the first power set, steel ball placing trough, bearing disc, spill base, steel ball, pressure dish and the second power set；Steel ball placing trough is arranged on support；First power set and the second power set are separately positioned on immediately below steel ball placing trough and surface；Pressure dish, spill base and bearing disc are successively set on inside steel ball placing trough from top to bottom；Steel ball is arranged between spill base and pressure dish；First power set are connected with bearing disc and drive bearing disc moving axially along steel ball placing trough；Second power set are connected with pressure dish and drive pressure dish moving axially along steel ball placing trough；Aluminium-plastic panel, carbon paper and blank sheet of paper it is disposed with from bottom to top between bearing disc and spill base.This utility model can be used for testing identical or different diameter particle, can obtain the normal direction contact mechanics parameter under difference puts in order.
Description
Technical field
This utility model belongs to mechanical property testing field, relates to a kind of test device, particularly relates to a kind of granule contact
Dynamic characteristic test test device.
Background technology
The mixing material that asphalt is the aggregate particle of different gradation and a certain amount of bituminous cements is formed,
Building stones are not added with Colophonium, or containing Colophonium but temperature higher in the case of, asphalt has bigger mobility, also
That is mixed in Process of Pitch Mixture Production is gathered materials and hot asphalt mixture all should have particulate matter
Common feature, the theoretical research result of particulate matter is also applied for researching and analysing of asphalt related physical mechanical characteristic.
The granular system of dense arrangement is under gravity or external loads effect, and active force is transmitted by the granule contacted with each other
To non-contacting granule, the transmission of power forms a complicated riding chain network, have in this riding chain network strong and weak riding chain it
Point, and the existence of riding chain, the distribution of riding chain and the quantization of riding chain can be determined by test method.Carbon paper indentation method is a kind of normal
The method of test granular system contact force size, be below granule, to spread colour developing sensitive carbon paper and blank sheet of paper, outside
Under power effect, granule, by extruding carbon paper, forms the impression differed with shade that varies in size on blank sheet of paper, by demarcating
May determine that contact deformation and normal force size, but existing carbon paper indentation method applying different vertical pressure, test granule it
Paper is changed relatively complicated during contact forces size.
Utility model content
This practicality is in order to solve the deficiency that in technical background, current method of testing exists, it is provided that one is convenient for changing paper,
Testing device without changing the granule contact mechanics attribute testing put in order of steel ball, this test device can also be used for testing not
Mechanics parameter with diameter particle normal direction contact force under difference puts in order.
To achieve these goals, this utility model adopts the following technical scheme that:
A kind of granule contact mechanics attribute testing test device, it is characterised in that: described granule contact mechanics attribute testing
Test device includes support, the first power set, steel ball placing trough, bearing disc, spill base, steel ball, pressure dish and second
Power set；Described steel ball placing trough is arranged on support；Described first power set and the second power set are respectively provided with
Immediately below steel ball placing trough and surface；Described pressure dish, spill base and bearing disc are successively set on from top to bottom
Inside steel ball placing trough；Described steel ball is arranged between spill base and pressure dish；Described first power set and bearing disc phase
Connect and drive bearing disc moving axially along steel ball placing trough；Described second power set are connected with pressure dish and drive pressure dish
Along moving axially of steel ball placing trough；Aluminium-plastic panel, manifolding it is disposed with from bottom to top between described bearing disc and spill base
Paper and blank sheet of paper.
As preferably, the spill base that this utility model is used is provided with circular port；The diameter of described circular port is little
Sphere diameter in steel ball.
As preferably, the internal diameter phase of bearing disc that this utility model is used and the external diameter of pressure dish and steel ball placing trough
With.
As preferably, the granule contact mechanics attribute testing test device that this utility model is used also includes being arranged on the
Output shaft between one power set and bearing disc；Described first power set are connected with bearing disc by output shaft and are driven and hold
Platen moves axially along steel ball placing trough.
As preferably, the circular in cross-section or square of the steel ball placing trough that this utility model is used.
As preferably, the first power set and the second power set that this utility model is used all include motor and subtract
Speed device；Described motor is connected with bearing disc or pressure dish by decelerator.
The utility model has the advantages that:
This utility model relates to a kind of granule contact mechanics attribute testing test device, including power set, bearing disc, recessed
Shape base, steel ball, pressure dish, support.Power plant output shaft is connected with bearing disc, with this fixing aluminium-plastic panel, phase on bearing disc
With carbon paper and the blank sheet of paper of diameter, bearing plate with power set can vertically sliding, facilitate the replacing of paper.Set on spill base
Put equally distributed circular port, after spill base placed by steel ball, be in close contact between steel ball and be evenly distributed on spill base,
According to test requirements document, according to the different placement steel balls that puts in order, steel ball is placed pressure dish, pressure dish applies initial
Power, and regulate the position of pressure-bearing platform and make aluminium-plastic panel thereon touch with the steel ball bottom connection on spill base, start to apply pressure
Power, measures diameter of impression on blank sheet of paper, determines corresponding normal direction contact force according to calibration curve.This utility model can be used for testing phase
With or different-diameter granule, the normal direction contact mechanics parameter under difference puts in order can be obtained.
Accompanying drawing explanation
Fig. 1 is the structural representation of granule contact mechanics attribute testing provided by the utility model test device；
Fig. 2 is the plan structure schematic diagram of the steel ball placing trough that this utility model is used；
Fig. 3 is the plan structure schematic diagram of the spill base that this utility model is used；
In figure, labelling is described as follows:
1-the first power set；2-output shaft；3-bearing disc；4-spill base；5-steel ball；6-pressure dish；7-support；8-
Steel ball placing trough；9-the second power set.
Detailed description of the invention
Further describing this utility model below in conjunction with the accompanying drawings, not quite clear part is shown in utility model content part, but
It is that this utility model is not limited only to embodiment disclosed below.
Seeing Fig. 1 and Fig. 2, this utility model provides a kind of granule contact mechanics attribute testing test device, this survey
Electricity testing device include support the 7, first power set 1, steel ball placing trough 8, bearing disc 3, spill base 4, steel ball 5, pressure dish 6 and
Second power set 9；Steel ball placing trough 8 is arranged on support 7；First power set 1 and the second power set 9 are respectively provided with
Immediately below steel ball placing trough 8 and surface；Pressure dish 6, spill base 4 and bearing disc 3 are successively set on from top to bottom
Steel ball placing trough 8 is internal；Steel ball 5 is arranged between spill base 4 and pressure dish 6；First power set 1 are connected with bearing disc 3
And drive bearing disc 3 moving axially along steel ball placing trough 8；Second power set 9 are connected with pressure dish 6 and drive pressure dish 6
Along moving axially of steel ball placing trough 8；Aluminium-plastic panel, carbon paper it is disposed with from bottom to top between bearing disc 3 and spill base 4
And blank sheet of paper.Bearing disc 3 with the first power set 1 can vertically sliding, facilitate the replacing of paper.
Participate in Fig. 3, spill base 4 is provided with circular port；The diameter of circular port is less than the sphere diameter of steel ball 5, and steel ball 5 is placed
In the circular port of spill base 4, it is in close contact between steel ball 5 and is evenly distributed on spill base 4, according to test requirements document,
According to the different placement steel balls 5 that puts in order.
The external diameter of bearing disc 3 and pressure dish 6 is identical with the internal diameter of steel ball placing trough 8.
It is defeated that granule contact mechanics attribute testing test device also includes being arranged between the first power set 1 and bearing disc
Shaft 2；First power set 1 are connected with bearing disc 3 by output shaft 2 and drive bearing disc 3 along the axial shifting of steel ball placing trough 8
Dynamic.
The cross section of steel ball placing trough 8 includes but not limited to circular or square, it can be provided for circular, square or
Other shape, is designed according to putting in order of steel ball 5.
First power set 1 and the second power set 9 all include motor and decelerator；Motor passes through decelerator and pressure-bearing
Dish 3 or pressure dish 6 are connected.
Steel ball 5, when specifically used, is placed on spill base by this utility model, and the steel ball 5 on upper strata can be according to one
Fixed order arranges, and places the number of plies and steel ball 5 is placed quantity and is designed according to test requirements document, above bearing disc successively
Fixing aluminium-plastic panel, the carbon paper of same diameter and blank sheet of paper, start the second power set 9, by the position of bearing disc and spill base
On steel ball 5 bottom contact all the time, the vertical displacement continuing to increase bearing disc makes steel ball depart from spill base, thus reduces recessed
The shape base peptizaiton to contact force, changes the size of upper pressure, changes the blank sheet of paper having impression on bearing disc, measures difference
Upper diameter of impression on blank sheet of paper under pressure condition, determines corresponding normal direction contact force according to calibration curve.
Claims (6)
1. a granule contact mechanics attribute testing test device, it is characterised in that: described granule contact mechanics attribute testing is surveyed
Electricity testing device includes support (7), the first power set (1), steel ball placing trough (8), bearing disc (3), spill base (4), steel ball
(5), pressure dish (6) and the second power set (9)；Described steel ball placing trough (8) is arranged on support (7)；Described first moves
Power apparatus (1) and the second power set (9) are separately positioned on immediately below steel ball placing trough (8) and surface；Described pressure
It is internal that dish (6), spill base (4) and bearing disc (3) are successively set on steel ball placing trough (8) from top to bottom；Described steel ball (5)
It is arranged between spill base (4) and pressure dish (6)；Described first power set (1) are connected with bearing disc (3) and drive pressure-bearing
Dish (3) moving axially along steel ball placing trough (8)；Described second power set (9) are connected with pressure dish (6) and drive pressure dish
(6) moving axially along steel ball placing trough (8)；It is disposed with from bottom to top between described bearing disc (3) and spill base (4)
Aluminium-plastic panel, carbon paper and blank sheet of paper.
Granule contact mechanics attribute testing the most according to claim 1 test device, it is characterised in that: described spill base
(4) circular port it is provided with on；The diameter of described circular port is less than the sphere diameter of steel ball (5).
Granule contact mechanics attribute testing the most according to claim 2 test device, it is characterised in that: described bearing disc
And the external diameter of pressure dish (6) is identical with the internal diameter of steel ball placing trough (8) (3).
4. test device according to the granule contact mechanics attribute testing described in claim 1 or 2 or 3, it is characterised in that: described
Grain contact mechanics attribute testing test device also includes the output shaft (2) being arranged between the first power set (1) and bearing disc；
Described first power set (1) are connected with bearing disc (3) by output shaft (2) and drive bearing disc (3) along steel ball placing trough (8)
Move axially.
Granule contact mechanics attribute testing the most according to claim 4 test device, it is characterised in that: described steel ball is placed
The circular in cross-section or square of groove (8).
Granule contact mechanics attribute testing the most according to claim 5 test device, it is characterised in that: described first power
Device (1) and the second power set (9) all include motor and decelerator；Described motor by decelerator and bearing disc (3) or
Pressure dish (6) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620557002.5U CN205808831U (en) | 2016-06-08 | 2016-06-08 | A kind of granule contact mechanics attribute testing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620557002.5U CN205808831U (en) | 2016-06-08 | 2016-06-08 | A kind of granule contact mechanics attribute testing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808831U true CN205808831U (en) | 2016-12-14 |
Family
ID=58142180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620557002.5U Expired - Fee Related CN205808831U (en) | 2016-06-08 | 2016-06-08 | A kind of granule contact mechanics attribute testing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205808831U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907408A (en) * | 2017-10-27 | 2018-04-13 | 海南师范大学 | Dynamic thermomechanical analysis apparatus and mechanical property measuring method suitable for granular materials |
| CN108535147A (en) * | 2018-03-19 | 2018-09-14 | 河海大学 | A kind of measuring device of spherical particles system normal direction contact force and Normal Displacement |
| CN109142046A (en) * | 2017-06-16 | 2019-01-04 | 武汉理工大学 | A kind of hydrogel particle strength detection device and method |
| CN113654908A (en) * | 2021-07-23 | 2021-11-16 | 中国地质大学（武汉） | Particle compression test device and method with force chain and transverse deformation testing capacity |
| CN115306162A (en) * | 2022-09-01 | 2022-11-08 | 中铁十一局集团有限公司 | Reverse construction welding connection construction method for section steel column and large-size section concrete beam |
-
2016
- 2016-06-08 CN CN201620557002.5U patent/CN205808831U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142046A (en) * | 2017-06-16 | 2019-01-04 | 武汉理工大学 | A kind of hydrogel particle strength detection device and method |
| CN109142046B (en) * | 2017-06-16 | 2021-05-18 | 武汉理工大学 | Hydrogel particle strength measuring device and method |
| CN107907408A (en) * | 2017-10-27 | 2018-04-13 | 海南师范大学 | Dynamic thermomechanical analysis apparatus and mechanical property measuring method suitable for granular materials |
| CN108535147A (en) * | 2018-03-19 | 2018-09-14 | 河海大学 | A kind of measuring device of spherical particles system normal direction contact force and Normal Displacement |
| CN108535147B (en) * | 2018-03-19 | 2021-03-23 | 河海大学 | Device for measuring normal contact force and normal displacement of spherical particle system |
| CN113654908A (en) * | 2021-07-23 | 2021-11-16 | 中国地质大学（武汉） | Particle compression test device and method with force chain and transverse deformation testing capacity |
| CN113654908B (en) * | 2021-07-23 | 2022-05-06 | 中国地质大学（武汉） | Particle compression test device and method with force chain and transverse deformation testing capacity |
| CN115306162A (en) * | 2022-09-01 | 2022-11-08 | 中铁十一局集团有限公司 | Reverse construction welding connection construction method for section steel column and large-size section concrete beam |
| CN115306162B (en) * | 2022-09-01 | 2023-09-26 | 中铁十一局集团有限公司 | Reverse construction and welding connection construction method for steel column and large-size section concrete beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20190608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |