CN107988992B - Sediment test device for experiments - Google Patents
Sediment test device for experiments Download PDFInfo
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- CN107988992B CN107988992B CN201711124219.2A CN201711124219A CN107988992B CN 107988992 B CN107988992 B CN 107988992B CN 201711124219 A CN201711124219 A CN 201711124219A CN 107988992 B CN107988992 B CN 107988992B
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- rail
- blind hole
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- locking column
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- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 239000013049 sediment Substances 0.000 title claims abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Revetment (AREA)
Abstract
The invention discloses a sediment test device for an experiment, which can level sand beds with different slopes and heights. The sand bed leveling device comprises a slide rail, a support and a leveling sheet, the sand bed is positioned between the rectangular plate and the slide rail, the slide rail is positioned above the sand bed, and the length direction of the slide rail is parallel to the rectangular plate; the sliding rail comprises a first rail and a second rail, the first rail and the second rail are oppositely arranged on the inner side wall of the rectangular water tank, the support is connected with the sliding rail in a sliding mode, the sliding direction of the support is parallel to the length direction of the sliding rail, the leveling sheet is fixed on the support, the lower end of the leveling sheet is in contact with the sand bed, and the leveling sheet is located between the sand bed and the sliding rail; be equipped with two locking posts on the slide rail, two locking posts are located the both ends of slide rail respectively, in a locking post: one end of the locking column is abutted to the first rail, and the other end of the locking column is abutted to the second rail.
Description
Technical Field
The invention relates to the field of testing devices, in particular to a sediment testing device for experiments.
Background
The silt test is carried out in an indoor water tank, and the method is an important method for researching the near-shore silt transportation rule. Different from the common river sediment test, the near-shore sediment test is mostly carried out on the slope at the tail end of the water tank. Because the height and the inclination of the sand bed can select different values according to the sediment model, the flatness of the sand surface is the initial condition of the experiment, and the precision of the experiment result is also influenced, therefore, the key point for obtaining the flat and uniform sand surface is very high.
Chinese patent is granted No. CN 205442192U, granted No. 2016.08.10, the name is "a shop's cloth machine with leveling device", a drive mechanism is disclosed to drive the roller to roll back and forth, shop's cloth machine through the flattening cloth of roller, but this kind of leveling device is used for husky bed flattening because the roller is easily stained with husky, and husky bed is the slope, and the flattening precision is not high, and can not carry out the flattening to the husky bed of co-altitude, different inclinations.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a simple and feasible experimental sediment testing device capable of leveling sand beds with different slopes and different heights.
In order to achieve the purpose, the invention adopts the following technical scheme:
an experimental silt testing device comprises
The sand bed leveling device comprises a slide rail, a support and a leveling sheet, the sand bed is positioned between the rectangular plate and the slide rail, the slide rail is positioned above the sand bed, and the length direction of the slide rail is parallel to the rectangular plate;
the sliding rail comprises a first rail and a second rail, the first rail and the second rail are oppositely arranged on the inner side wall of the rectangular groove, the support is connected with the sliding rail in a sliding mode, the sliding direction of the support is parallel to the length direction of the sliding rail, the leveling sheet is fixed on the support, the lower end of the leveling sheet is in contact with the sand bed, and the leveling sheet is located between the sand bed and the sliding rail;
be equipped with two locking posts on the slide rail, two locking posts are located the both ends of slide rail respectively, in a locking post: one end of the locking column is abutted to the first rail, and the other end of the locking column is abutted to the second rail. Before laying silt, draw the twice location line on the rectangular channel lateral wall according to predetermined husky bed height, fix the flattening piece on the support, inlay the support again in the slide rail, align first track and second track respectively with the location line, tightly support first track and second track on the inside wall of rectangular channel with the locking post, flattening piece and husky bed contact this moment, make the support reciprocal slip in the slide rail with the hand, the flattening piece makes a round trip to translate for the rectangular plate, the husky bed surface of flattening.
Preferably, the axis of the locking column is perpendicular to the length direction of the sliding rail, the locking column comprises a first locking column and a second locking column, and the first locking column is in threaded connection with the second locking column. The first locking column is held, the second locking column is rotated to extend or shorten the locking column, so that the sliding rail is convenient to lock, meanwhile, when the height or the inclination of the sliding rail is adjusted, the locking column can be conveniently shortened to separate the sliding rail from the rectangular groove, and the axis of the locking column is perpendicular to the length direction of the sliding rail, so that the locking effect is achieved while the length of the locking column is shortest.
Preferably, the first track is provided with a first upper blind hole and a first lower blind hole, the first upper blind hole and the first lower blind hole are respectively arranged at two ends of the first track, the second track is provided with a second upper blind hole and a second lower blind hole, the second upper blind hole and the second lower blind hole are respectively arranged at two ends of the second track, two ends of one locking column respectively extend into the first upper blind hole and the second upper blind hole, and two ends of the other locking column respectively extend into the first lower blind hole and the second lower blind hole. Prevent the locking post and the slide rail from sliding relatively to each other, thereby leading to the scattering of the whole device.
Preferably, the bottom of the rectangular groove is provided with a plurality of limiting bulges, the upper end of the rectangular plate is in contact with the inner side wall of the rectangular groove, and the lower end of the rectangular plate is in contact with one of the limiting bulges. The lower end of the rectangular groove is clamped at the limiting bulges at different positions, so that the inclination of the rectangular plate can be adjusted.
Preferably, a plurality of adjusting columns are arranged on the rectangular plate, the rectangular plate comprises a plurality of adjusting holes which are in one-to-one correspondence with the adjusting columns, the adjusting columns are in threaded connection with the rectangular plate, the adjusting columns extend into the corresponding adjusting holes, and the axes of the adjusting columns are perpendicular to the rectangular plate. The height of the adjusting column relative to the rectangular plate can be adjusted so as to simulate the sediment test of uneven riverbed bottom.
Preferably, the lower end of the adjusting column is provided with an adjusting nut. The height of the adjusting column relative to the rectangular plate can be conveniently adjusted by using a tool such as a screwdriver.
Preferably, the first rubber pad is arranged on the first rail and is in contact with the inner side wall of the rectangular groove, the second rubber pad is arranged on the second rail and is in contact with the inner side wall of the rectangular groove. First rubber pad and second rubber pad prevent that the slide rail from taking place the accident of rectangular channel fish tail or fracture when compressing tightly at the rectangular channel inside wall.
The invention has the beneficial effects that: (1) the height and the inclination of the rectangular plate and the height and the inclination of the slide rail can be adjusted, so that sand beds with different heights and inclinations can be leveled; (2) adjusting the relative height of each adjusting column and the rectangular plate, and performing silt test on the uneven riverbed; (3) the operation support can level off the sand surface by sliding along the sliding rail, the operation is simple, the leveling efficiency is high, and no leveling dead angle exists.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a schematic view of the structure of a rectangular plate in the present invention.
In the figure: rectangular channel 1, sand bed 2, levelling device 3, slide rail 31, first track 311, second track 312, support 32, flattening piece 33, locking post 34, first locking post 341, second locking post 342, rectangular plate 4, regulation post 41, regulation hole 42.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in FIGS. 1 to 4, an experimental sediment testing device comprises
The sand bed comprises a rectangular groove 1, a sand bed 2, a leveling device 3 and an obliquely arranged rectangular plate 4, wherein the rectangular plate is fixed in the rectangular groove, the sand bed is arranged on the rectangular plate, the leveling device comprises a slide rail 31, a support 32 and a leveling sheet 33, the sand bed is positioned between the rectangular plate and the slide rail, and the slide rail is positioned above the sand bed;
the sliding rail comprises a first rail 311 and a second rail 312, the first rail and the second rail are oppositely arranged on the inner side wall of the rectangular groove, the support is connected with the sliding rail in a sliding mode, the sliding direction of the support is parallel to the length direction of the sliding rail, the leveling sheet is fixed on the support, the lower end of the leveling sheet is in contact with the sand bed, the leveling sheet is located between the sand bed and the sliding rail, and the length direction of the sliding rail is parallel to the rectangular plate;
be equipped with two locking posts 34 on the slide rail, two locking posts are located the both ends of slide rail respectively, in a locking post: one end of the locking column is abutted to the first rail, and the other end of the locking column is abutted to the second rail.
When the sand leveling device is actually used, before sediment is laid, two positioning lines are drawn on the side wall of the rectangular groove according to the preset height of a sand bed, the leveling piece is fixed on the support, the support is embedded into the sliding rail, the first rail and the second rail are respectively aligned with the positioning lines, the first rail and the second rail are tightly abutted to the inner side wall of the rectangular groove through the locking column, the leveling piece is in contact with the sand bed at the moment, the support is made to slide in the sliding rail in a reciprocating mode through hands, the leveling piece moves back and forth relative to the rectangular plate, and the surface of the sand bed is leveled.
The axis of the locking column is vertical to the length direction of the slide rail, the locking column comprises a first locking column 341 and a second locking column 342, and the first locking column and the second locking column are in threaded connection; the first track is provided with a first upper blind hole and a first lower blind hole, the first upper blind hole and the first lower blind hole are respectively positioned at two ends of the first track, the second track is provided with a second upper blind hole and a second lower blind hole, the second upper blind hole and the second lower blind hole are respectively positioned at two ends of the second track, two ends of one locking column respectively extend into the first upper blind hole and the second upper blind hole, and two ends of the other locking column respectively extend into the first lower blind hole and the second lower blind hole; the bottom of the rectangular groove is provided with a plurality of limiting bulges, the upper end of the rectangular plate is contacted with the inner side wall of the rectangular groove, and the lower end of the rectangular plate is contacted with one limiting bulge; the rectangular plate is provided with a plurality of adjusting columns 41, the rectangular plate comprises a plurality of adjusting holes 42 which are in one-to-one correspondence with the adjusting columns, the adjusting columns are in threaded connection with the rectangular plate, the adjusting columns extend into the corresponding adjusting holes, and the axes of the adjusting columns are perpendicular to the rectangular plate; the lower end of the adjusting column is provided with an adjusting nut; be equipped with first rubber pad on the first track, first rubber pad and the inside wall contact of rectangular channel are equipped with the second rubber pad on the second track, and the second rubber pad contacts with the inside wall of rectangular channel.
The first locking column is held, the second locking column is rotated to enable the locking column to extend or shorten, so that the sliding rail is convenient to lock, meanwhile, when the height or the inclination of the sliding rail is adjusted, the locking column can be conveniently shortened to enable the sliding rail to be separated from the rectangular groove, and the axis of the locking column is perpendicular to the length direction of the sliding rail so that the locking effect is achieved while the length of the locking column is shortest; two ends of one locking column extend into the first upper blind hole and the second upper blind hole respectively, and two ends of the other locking column extend into the first lower blind hole and the second lower blind hole respectively to prevent the locking column and the sliding rail from sliding relatively, so that the whole device is scattered; the lower end of the rectangular groove is clamped in the limiting bulges at different positions, so that the inclination of the rectangular plate can be adjusted; the height of the adjusting column can be conveniently adjusted by using a tool such as a screwdriver, and the lower end of the rectangular groove is clamped in the limiting protrusions at different positions, so that the inclination of the rectangular plate can be adjusted; first rubber pad and second rubber pad prevent that the slide rail from taking place the accident of rectangular channel fish tail or fracture when compressing tightly at the rectangular channel inside wall.
The invention has the beneficial effects that: the height and the inclination of the rectangular plate and the height and the inclination of the slide rail can be adjusted, so that sand beds with different heights and inclinations can be leveled; adjusting the relative height of each adjusting column and the rectangular plate, and performing silt test on the uneven riverbed; the operation support can level off the sand surface by sliding along the sliding rail, the operation is simple, the leveling efficiency is high, and no leveling dead angle exists.
Claims (4)
1. An experimental silt testing device, characterized by comprising
The sand bed leveling device comprises a slide rail, a support and a leveling sheet, the sand bed is positioned between the rectangular plate and the slide rail, the slide rail is positioned above the sand bed, and the length direction of the slide rail is parallel to the rectangular plate;
the sliding rail comprises a first rail and a second rail, the first rail and the second rail are oppositely arranged on the inner side wall of the rectangular groove, the support is connected with the sliding rail in a sliding mode, the sliding direction of the support is parallel to the length direction of the sliding rail, the leveling sheet is fixed on the support, the lower end of the leveling sheet is in contact with the sand bed, and the leveling sheet is located between the sand bed and the sliding rail;
be equipped with two locking posts on the slide rail, two locking posts are located the both ends of slide rail respectively, in a locking post: one end of the locking column is abutted against the first rail, and the other end of the locking column is abutted against the second rail;
the bottom of the rectangular groove is provided with a plurality of limiting bulges, the upper end of the rectangular plate is contacted with the inner side wall of the rectangular groove, and the lower end of the rectangular plate is contacted with one limiting bulge;
the rectangular plate is provided with a plurality of adjusting columns, the rectangular plate comprises a plurality of adjusting holes which are in one-to-one correspondence with the adjusting columns, the adjusting columns are in threaded connection with the rectangular plate, the adjusting columns extend into the corresponding adjusting holes, and the axes of the adjusting columns are perpendicular to the rectangular plate;
and the lower end of the adjusting column is provided with an adjusting nut.
2. The sediment testing device for experiments according to claim 1, wherein the axis of the locking column is perpendicular to the length direction of the slide rail, the locking column comprises a first locking column and a second locking column, and the first locking column and the second locking column are in threaded connection.
3. The sediment test device for experiments as claimed in claim 2, wherein the first track is provided with a first upper blind hole and a first lower blind hole, the first upper blind hole and the first lower blind hole are respectively arranged at two ends of the first track, the second track is provided with a second upper blind hole and a second lower blind hole, the second upper blind hole and the second lower blind hole are respectively arranged at two ends of the second track, two ends of one of the locking columns respectively extend into the first upper blind hole and the second upper blind hole, and two ends of the other locking column respectively extend into the first lower blind hole and the second lower blind hole.
4. The apparatus of claim 1, wherein the first rubber pad is disposed on the first rail and contacts with an inner sidewall of the rectangular groove, and the second rubber pad is disposed on the second rail and contacts with an inner sidewall of the rectangular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711124219.2A CN107988992B (en) | 2017-11-14 | 2017-11-14 | Sediment test device for experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711124219.2A CN107988992B (en) | 2017-11-14 | 2017-11-14 | Sediment test device for experiments |
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| Publication Number | Publication Date |
|---|---|
| CN107988992A CN107988992A (en) | 2018-05-04 |
| CN107988992B true CN107988992B (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711124219.2A Active CN107988992B (en) | 2017-11-14 | 2017-11-14 | Sediment test device for experiments |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267533B (en) * | 2018-11-08 | 2024-02-06 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Sand adding device for underwater layering of estuary coastal sediment physical model |
Citations (4)
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|---|---|---|---|---|
| JP2009275362A (en) * | 2008-05-12 | 2009-11-26 | Kansai Electric Power Co Inc:The | River hydraulic test device |
| CN204142608U (en) * | 2014-09-30 | 2015-02-04 | 河海大学 | The device of a kind of variable roughness Rectangular Water Trough simulation bed mud erosion and transmission feature |
| CN105758685A (en) * | 2016-04-07 | 2016-07-13 | 长沙理工大学 | Experimental water tank sediment bed surface leveling method and experimental water tank sediment bed surface leveling device |
| CN106895954A (en) * | 2017-02-24 | 2017-06-27 | 长沙理工大学 | The driving measurement apparatus that a kind of expanded letter tank is automatically moved |
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2017
- 2017-11-14 CN CN201711124219.2A patent/CN107988992B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| JP2009275362A (en) * | 2008-05-12 | 2009-11-26 | Kansai Electric Power Co Inc:The | River hydraulic test device |
| CN204142608U (en) * | 2014-09-30 | 2015-02-04 | 河海大学 | The device of a kind of variable roughness Rectangular Water Trough simulation bed mud erosion and transmission feature |
| CN105758685A (en) * | 2016-04-07 | 2016-07-13 | 长沙理工大学 | Experimental water tank sediment bed surface leveling method and experimental water tank sediment bed surface leveling device |
| CN106895954A (en) * | 2017-02-24 | 2017-06-27 | 长沙理工大学 | The driving measurement apparatus that a kind of expanded letter tank is automatically moved |
Non-Patent Citations (3)
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| 变坡陡比降河道强输沙下泥沙淤积与水位激增的试验研究;李彬 等;《泥沙研究》;20150630;第63-68页 * |
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