CN205484326U - Experimental sample brush of centrifugal model - Google Patents
Experimental sample brush of centrifugal model Download PDFInfo
- Publication number
- CN205484326U CN205484326U CN201620035213.2U CN201620035213U CN205484326U CN 205484326 U CN205484326 U CN 205484326U CN 201620035213 U CN201620035213 U CN 201620035213U CN 205484326 U CN205484326 U CN 205484326U
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- brush
- length
- brush board
- model
- support beam
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- 238000012360 testing method Methods 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 19
- 238000000465 moulding Methods 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
- 239000004927 clay Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013401 experimental design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a relevant instrument of the experimental moulding of hypergravity centrifugal model discloses an experimental sample brush of centrifugal model very much. The device is including a supporting beam, length chi, slider, brush board and brush. The length chi passes through the slider and links to each other with a supporting beam, and is continuous with the brush board through the bolt, the brush is installed on the brush mounting groove of brush board. This sample brush can come adjustable length and angle according to experimental demand to the flattening and the xiu po of implementation model specimen surface. The the device structure is simpler, and extensive applicability can guarantee the model soil body surface roughness unanimity or slope unanimity everywhere, ensures the accuracy of test result.
Description
Technical field
This utility model belongs to Geotechnical Engineering and is centrifuged physical experiments field, relates to the sample preparation device of a kind of soil layer model.
Background technology
Geotechnical centrifuge can reproduce prototype stress-strain field, is effective tool conventional in Geotechnical Engineering disciplinary study, engineer applied.In hypergravity centrifugal model test, soil model needs to carry out reduced scale according to certain likelihood ratio, and by allowing model bear the centrifugal acceleration effect more than acceleration of gravity, makes that model is identical with prototype ess-strain, it is similar to deform.By the amplification of centrifuge, after soil model conversion to prototype, its error also can be amplified accordingly.The generally slight error of 1 millimeter in model preparation, it is possible to be exaggerated tens times of even hundreds of times.
The accurately preparation of soil model is one of key of hypergravity centrifugal model test success or failure.At present, uniform sandy soil and weak soil are the soil bodys that domestic and international Geotechnical Engineering centrifugal test research is the most often selected；In sample making course, soil model surface is many in horizontally or diagonally state.Existing sample making technology, uses common hairbrush to carry out manually often and repeatedly flattens or repair slope, and weak effect, difficulty are big, it is difficult to ensure that model clay surface flatness everywhere is consistent or the gradient is consistent.Meanwhile, manual repeatedly dressing mo del surface, very big to state of soil disturbance, directly affect result of the test.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of centrifugal model test sample brush.
The purpose of this utility model is achieved through the following technical solutions: the centrifugal model test sample brush that this utility model provides, including support beam, length ruler, sliding part, brush board and hairbrush.It is decorated with scale on support beam length direction.Described length ruler has two, the shortest chi and long chi, and short chi and long chi all include that length scale, sliding tray, brush board fix bolt and four parts of angle index.Described sliding part includes that support beam fixes bolt, length ruler fixes bolt, support beam sliding tray and four parts of length ruler sliding tray.Described brush board includes the first screw, the second screw, angle indicator and hairbrush mounting groove.Length ruler is connected with support beam by sliding part, fixes bolt by brush board and is connected with brush board, and described hairbrush is installed on the hairbrush mounting groove of brush board.
Further, the cross sectional dimensions of described support beam is 3cm × 3cm, and length need to be more than soil model place model casing length, to facilitate installation.The scale of support beam can conveniently determine the horizontal range between two length rulers.
Further, described sliding tray is positioned on the axis of length ruler length direction, and described length scale is positioned at sliding tray edge；Described angle index is positioned at the bottom of length ruler.
Further, described support beam is positioned at support beam sliding tray, and length ruler is positioned at length ruler sliding tray；Sliding part support beam is fixed bolt and is fixed support beam, fixes bolt regular length chi with length ruler.
Further, the brush board of described short chi is fixed bolt and is installed in the first screw, and the brush board of long chi is fixed bolt and is installed in the second screw.
Compared with prior art, the beneficial effects of the utility model are:
(1) simple in construction of the present utility model, strong operability, easy accessibility, and it is prone to transformation.
(2) this utility model can change height according to demand, has the good suitability, can preferably flatten horizontal field, make sandy soil uniform force during the model of manufacture level place.
(3) this utility model can change angle according to demand, has the good suitability, can preferably flatten inclination place, strictly control the size at its inclination angle, place and make sandy soil uniform force during manufacturing inclined field ground model.
(4) low cost that realizes of the present utility model, using effect is good, it is simple to promote the use of.
Accompanying drawing explanation
Fig. 1 is scantling plan of the present utility model；
Fig. 2 is length ruler detail of construction；
Fig. 3 is slider structure detail drawing；
Fig. 4 is brush board detail of construction；
In figure: support beam 1, length ruler 2, length scale 2-1, sliding tray 2-2, brush board fix bolt 2-3, angle index 2-4, short chi 2-5, long chi 2-6, sliding part 3, support beam fixes bolt 3-1, length ruler fixes bolt 3-2, support beam sliding tray 3-3, length ruler sliding tray 3-4, brush board the 4, first screw 4-1, the second screw 4-2, angle indicator 4-3, hairbrush mounting groove 4-4, hairbrush 5.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the centrifugal model test sample brush that this utility model provides, including support beam 1, length ruler 2, sliding part 3, brush board 4 and hairbrush 5.
The cross sectional dimensions of described support beam 1 is 3cm × 3cm, and length need to be more than soil model place model casing length, to facilitate installation.It is decorated with scale, to determine the horizontal range between two length rulers 2 on support beam 1 length direction.
As shown in Figure 1, 2, described length ruler 2 has two, and the shortest chi 2-5 and long chi 2-6, short chi 2-5 and long chi 2-6 all include that length scale 2-1, sliding tray 2-2, brush board fix bolt 2-3 and angle index 2-4.Described sliding tray 2-2 is positioned on the axis of length ruler 2 length direction, and described length scale 2-1 is positioned at sliding tray 2-2 edge, can conveniently determine vertical distance between brush board 4 and support beam 1.Described angle index 2-4 is positioned at the bottom of length ruler 2, can conveniently determine the angle between brush board 4 and horizontal direction.The length of described short chi 2-5 and long chi 2-6 need to determine according to model casing height.Length ruler 2 is connected with support beam 1 by sliding part 3, fixes bolt 2-3 by brush board and is connected with brush board 4.
As it is shown on figure 3, described sliding part 3 includes that support beam fixes bolt 3-1, length ruler fixes bolt 3-2, support beam sliding tray 3-3 and length ruler sliding tray 3-4.Described support beam 1 is positioned at support beam sliding tray 3-3, and length ruler 2 is positioned at length ruler sliding tray 3-4；After sliding part 3 slides into desired location, available support beam is fixed bolt 3-1 and is fixed support beam 1, fixes bolt 3-2 regular length chi 2 with length ruler.
As shown in Figure 4, described brush board 4 includes the first screw 4-1, the second screw 4-2, angle indicator 4-3 and hairbrush mounting groove 4-4.The brush board of described short chi 2-5 is fixed bolt 2-3 and is installed in the first screw 4-1, and the brush board of long chi 2-6 is fixed bolt 2-3 and is installed in the second screw 4-2.Described angle indicator 4-3 can directly indicate the angle of brush board 4 and horizontal direction.
Described hairbrush 5 is installed on the hairbrush mounting groove 4-4 of brush board 4, and hairbrush material and density degree can need to make according to test.
Utility model works principle is as follows:
In model casing, fill soil body material according to test requirements document, after the soil body reaches design height, use this utility model centrifugal model test sample to brush flat integral mould soil body surface so that it is to reach test requirements document.The using method of this utility model centrifugal model test sample brush is as follows:
(1) horizontal field
According to EXPERIMENTAL DESIGN, determine distance H between model clay surface and model casing end face.
Support beam on described sliding part 3 is fixed bolt 3-1 and length ruler is fixed bolt 3-2 and unclamped, unclamp brush board simultaneously and fix bolt 2-3.
Adjusting brush board 4, make angle indicator 4-3 refer in 0 °, the brush board tightening short chi 2-5 and long chi 2-6 fixes bolt 2-3, adjusts two length rulers and makes the distance bottom hairbrush 5 and between support beam 1 be equal to H, and tightens the length ruler fixed screw 3-2 on sliding part 3.
Sliding support beam 1, makes short chi 2-5 and long chi 2-6 occupy in the middle part of sliding support beam 1, tightens support beam and fix bolt 3-1.
In the hairbrush mounting groove 4-4 that hairbrush 5 is installed on brush board 4.
Sliding support beam 1 frame is placed on model casing top so that hairbrush 5 is located just at model soil body design height.After position adjustment is suitable, slowly promotes centrifugal model test sample brush, it is slowly pushed to model casing rear portion from model casing front end, come smooth model clay surface.Repeatedly for three times, test requirements document can be met.
(2) place is tilted
According to EXPERIMENTAL DESIGN, determine distance H between top, model slight slope slope and model casing end face and the inclined angle alpha of inclined plane.
Support beam on described sliding part 3 is fixed bolt 3-1 and length ruler is fixed bolt 3-2 and unclamped, unclamp brush board simultaneously and fix bolt 2-3.
Adjusting brush board 4, make angle indicator 4-3 refer in α °, the brush board tightening short chi 2-5 and long chi 2-6 fixes bolt 2-3.Adjusting short chi 2-5 makes distance bottom the hairbrush 5 of its place line correspondences and between support beam 1 equal to H+L × tan α (L is brush board 4 right-hand member to the distance between short chi 2-5).The brush board tightening short chi 2-5 and long chi 2-6 fixes bolt 3-2.
Sliding support beam 1, makes short chi 2-5 and long chi 2-6 occupy in the middle part of sliding support beam 1, tightens support beam and fix bolt 3-1.
Hairbrush 5 is installed on the hairbrush mounting groove 4-4 of brush board 4.
Sliding support beam 1 frame is placed on model casing top so that hairbrush 5 is located just at model soil body design height.After position adjustment is suitable, slowly promotes centrifugal model test sample brush, it is slowly pushed to model casing rear portion from model casing front end, come smooth model clay surface.Repeatedly for three times, test requirements document can be met.
Claims (4)
1. a centrifugal model test sample brush, it is characterised in that include support beam (1), length ruler (2), sliding part (3),
Brush board (4) and hairbrush (5)；It is decorated with scale on described support beam (1) length direction；Described length ruler (2) has two,
Being respectively short chi (2-5) and long chi (2-6), short chi (2-5) and long chi (2-6) all include length scale (2-1), slide
Dynamic groove (2-2), brush board fix bolt (2-3) and four parts of angle index (2-4)；Described sliding part (3) includes propping up
Beam fixes bolt (3-1), length ruler fixes bolt (3-2) in support, support beam sliding tray (3-3) and length ruler sliding tray (3-4)
Four parts；Described brush board (4) includes the first screw (4-1), the second screw (4-2), angle indicator (4-3) and hair
Four parts of brush mounting groove (4-4)；Length ruler (2) is connected with support beam (1) by sliding part (3), solid by brush board
Determining bolt (2-3) to be connected with brush board (4), described hairbrush (5) is installed on the hairbrush mounting groove (4-4) of brush board (4).
Centrifugal model test sample brush the most according to claim 1, it is characterised in that described sliding tray (2-2) is positioned at length
On the axis of chi (2) length direction, described length scale (2-1) is positioned at sliding tray (2-2) edge；Described angle is carved
Degree (2-4) is positioned at the bottom of length ruler (2).
Centrifugal model test sample brush the most according to claim 1, it is characterised in that described support beam (1) is positioned at support
In beam sliding tray (3-3), length ruler (2) is positioned at length ruler sliding tray (3-4)；Sliding part (3) is fixed by support beam
Support beam (1) fixed by bolt (3-1), fixes bolt (3-2) regular length chi (2) with length ruler.
Centrifugal model test sample brush the most according to claim 1, it is characterised in that the brush board of described short chi (2-5) is fixed
Bolt (2-3) is installed in the first screw (4-1), and the brush board of long chi (2-6) is fixed bolt (2-3) and is installed on the second screw
(4-2) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035213.2U CN205484326U (en) | 2016-01-14 | 2016-01-14 | Experimental sample brush of centrifugal model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035213.2U CN205484326U (en) | 2016-01-14 | 2016-01-14 | Experimental sample brush of centrifugal model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484326U true CN205484326U (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620035213.2U Withdrawn - After Issue CN205484326U (en) | 2016-01-14 | 2016-01-14 | Experimental sample brush of centrifugal model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205484326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467101A (en) * | 2016-01-14 | 2016-04-06 | 浙江大学 | Sample brush for centrifugal model tests |
-
2016
- 2016-01-14 CN CN201620035213.2U patent/CN205484326U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467101A (en) * | 2016-01-14 | 2016-04-06 | 浙江大学 | Sample brush for centrifugal model tests |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20170419 |
|
| AV01 | Patent right actively abandoned |