CN203375922U - Slope-changing type silt grain underwater angle of repose measurement instrument - Google Patents
Slope-changing type silt grain underwater angle of repose measurement instrument Download PDFInfo
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- CN203375922U CN203375922U CN201320445830.6U CN201320445830U CN203375922U CN 203375922 U CN203375922 U CN 203375922U CN 201320445830 U CN201320445830 U CN 201320445830U CN 203375922 U CN203375922 U CN 203375922U
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- silt
- repose
- slope
- angle
- gravity plate
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Abstract
The utility model discloses a slope-changing type silt grain underwater angle of repose measurement instrument. The slope-changing type silt grain underwater angle of repose measurement instrument comprises a transparent container box, a lifting/descending screw rod, a silt accommodating gravity plate, a supporting bar, a fixed baffle plate and a movable baffle; the fixed baffle and the movable baffle are vertically arranged inside the transparent container box, and form a silt accommodating space together with the silt accommodating gravity plate; the silt accommodating gravity plate is hinged with the bottom of the fixed baffle plate; the lifting/descending screw rod is vertically arranged inside the container box; one end of the supporting bar passes through a screw thread groove of the lifting/descending screw rod, and the other end of the supporting bar naturally contacts with the lower end of the silt accommodating gravity plate; and the transparent container box is marked with corresponding length and angle scale marks corresponding to the silt accommodating gravity plate. Angles of repose of silt grains and different slopes of the gravity plate are formed by means of the effect of gravity, and therefore, the slope-changing type silt grain underwater angle of repose measurement instrument of the utility model can directly measure the angles of repose of the silt grains under a slope-changing situation. The slope-changing type silt grain underwater angle of repose measurement instrument of the utility model is advantageous in strong maneuverability and fast measuring speed. With the slope-changing type silt grain underwater angle of repose measurement instrument adopted, underwater angles of repose of the silt grains can be read directly without angle conversion required.
Description
Technical field
The utility model relates generally in water conservancy industry natural sand and the model sasnd measurement mechanism at angle of repose under water.
Background technology
Angle of repose refers in undersurface sand grain under the combined action of gravity, buoyancy and friction force etc. under water, can form the dip plane of certain angle and not cave in, and this angle is angle of repose under water.Angle of repose is an important parameter of sand grain under water, in reality, is widely used, and Ru Baqian washes away the angle problem of funnel, the problems such as optimum Section Design of the stable problem of bank slope, channel in bank-protection works.Traditional sand grain angle of repose measuring method under water is by the disk to radii fixus under water, piling up silt, when the silt in disk is cone, start to measure the height of cone and the radius of cone, and, by both angles that concerns the reverse cone, this angle is the angle of repose under water of sand grain.But in the method, disk can not form different inclination angles, be not suitable for the measurement that becomes the angle of repose under water of sand grain on slope, measurement result can not directly provide angle; And the method, without levelling device, can not guarantee that formed angle of repose, based on level, has increased the error of measurement result.
Summary of the invention
Goal of the invention: for the problem and shortage of above-mentioned existing existence, the purpose of this utility model is to provide a kind of change slope formula sand grain Repose angle gauge under water, can not only measure the sand grain that becomes under the condition of slope angle of repose under water, can also guarantee the measurement mechanism level and directly read result.
Technical scheme: for achieving the above object, the utility model is by the following technical solutions: a kind of change slope formula sand grain is Repose angle gauge under water, comprise transparent vessel case, lifting screw, the husky gravity plate of Sheng, support bar, fixed dam and shifting board, described fixed dam and shifting board vertically are located in the transparent vessel case, and form and contain husky space with the husky gravity plate of Sheng; The husky gravity plate of described Sheng and fixed dam bottom-hinged; Described lifting screw vertically is located in container case, and support bar one end is through the thread groove of lifting screw, and the other end contacts naturally with the lower end of containing husky gravity plate; The corresponding husky gravity plate place of containing of described transparent vessel case is marked with corresponding length and angle index.
As preferably, described fixed head top is provided with permeable hole, and permeable hole is contained 2 times of husky gravity plate length during with the height of bottom plate.
As preferably, described transparent vessel case bottom is provided with adjustable frames, and top is provided with horizontal bubble.
As preferably, described lifting screw top also is provided with handle.
Beneficial effect: compared with prior art, the utlity model has following advantage: form the angle of repose of sand grain and the different gradient of gravity plate by Action of Gravity Field, make the utility model can directly measure the sand grain angle of repose become under the condition of slope; The angle of repose under water that, measuring speed workable by the utility model be fast, can directly read sand grain, do not need to carry out the angle conversion.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, base 1, transparent vessel case 2, horizontal bubble 3, contain husky gravity plate 4, shifting board 5, fixed dam 6, support bar 7, lifting screw 8, handle 9, scale 10.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As shown in Fig. 1～2, a kind of change slope formula sand grain is Repose angle gauge under water, comprise transparent vessel case, lifting screw, the husky gravity plate of Sheng, support bar, fixed dam and shifting board, described fixed dam and shifting board vertically are located in the transparent vessel case, and width is identical with the container case width, and forms and independently contain husky space with the husky gravity plate of Sheng; The husky gravity plate of described Sheng and fixed dam bottom-hinged; Described lifting screw vertically is located in container case, and support bar one end is through the thread groove of lifting screw, and the other end contacts naturally with the lower end of containing husky gravity plate; The length of containing husky gravity plate is definite value, and angles corresponding to silt thickness different on the gravity plate are fixed, thus in the side of organic glass container the scale of mark lengths and angle simultaneously, can directly read angle of repose.Fixed dam top has permeable hole, keep to contain husky small container, with the organic glass container, is communicated with, and permeable hole be take the twice that the height of bottom plate is the husky gravity plate length of Sheng.And, by the container case bottom, adjustable frames being installed, horizontal bubble is installed at top, by adjusting base and horizontal bubble, to guarantee that the transparent vessel case is in horizontality.
While carrying out the angle of repose measurement, adjusting base makes horizontal bubble placed in the middle, keeps organic glass container level.In the organic glass container, be filled with water, the height of water flushes with the lower end of permeable hole on fixed dam.Put down shifting board, now, contain husky gravity plate, shifting board, fixed dam and organic glass container limit wall form one and contain husky small container, to gaza in small container, the thickness that makes to contain sand in husky small container is greater than the length of gravity plate, mention shifting board, a side that is equivalent to contain husky small container is opened, the silt of containing on husky gravity plate can glide under Action of Gravity Field, finally can on containing on husky gravity plate, form a natural angle, the angle of repose under water that this angle is sand grain, scale by side direction is the angle of repose under water of sand grain under the reading horizontal condition directly.
When turning handle, screw thread on lifting screw drives support bar and rises or descend, and contains husky gravity plate and is subject to support bar to affect meeting around hinge through, forms different gradient, under this gradient, sand grain also can form fixing angle, can measure thus the sand grain that becomes under slope angle of repose under water.
Claims (4)
1. one kind becomes slope formula sand grain Repose angle gauge under water, it is characterized in that: comprise transparent vessel case, lifting screw, the husky gravity plate of Sheng, support bar, fixed dam and shifting board, described fixed dam and shifting board vertically are located in the transparent vessel case, and form and contain husky space with the husky gravity plate of Sheng; The husky gravity plate of described Sheng and fixed dam bottom-hinged; Described lifting screw vertically is located in container case, and support bar one end is through the thread groove of lifting screw, and the other end contacts naturally with the lower end of containing husky gravity plate; The corresponding husky gravity plate place of containing of described transparent vessel case is marked with corresponding length and angle index.
2. become according to claim 1 slope formula sand grain Repose angle gauge under water, it is characterized in that: described fixed head top is provided with permeable hole, and permeable hole is contained 2 times of husky gravity plate length during with the height of bottom plate.
3. become according to claim 2 slope formula sand grain Repose angle gauge under water, it is characterized in that: described transparent vessel case bottom is provided with adjustable frames, and top is provided with horizontal bubble.
4. become according to claim 3 slope formula sand grain Repose angle gauge under water, it is characterized in that: described lifting screw top also is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445830.6U CN203375922U (en) | 2013-07-24 | 2013-07-24 | Slope-changing type silt grain underwater angle of repose measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445830.6U CN203375922U (en) | 2013-07-24 | 2013-07-24 | Slope-changing type silt grain underwater angle of repose measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375922U true CN203375922U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445830.6U Expired - Fee Related CN203375922U (en) | 2013-07-24 | 2013-07-24 | Slope-changing type silt grain underwater angle of repose measurement instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN203375922U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913111A (en) * | 2014-03-13 | 2014-07-09 | 河海大学 | Fine-particle sediment underwater repose angle measuring device and measuring method thereof |
| CN104316442A (en) * | 2014-11-17 | 2015-01-28 | 重庆交通大学 | Sediment underwater repose angle measuring device |
| CN108955496A (en) * | 2018-03-22 | 2018-12-07 | 安徽理工大学 | A kind of silt underwater information warfare analyzer and its application method |
| CN109781585A (en) * | 2019-03-22 | 2019-05-21 | 安徽省引江济淮集团有限公司 | A kind of no-Co-alloy steel Repose angle gauge |
-
2013
- 2013-07-24 CN CN201320445830.6U patent/CN203375922U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913111A (en) * | 2014-03-13 | 2014-07-09 | 河海大学 | Fine-particle sediment underwater repose angle measuring device and measuring method thereof |
| CN104316442A (en) * | 2014-11-17 | 2015-01-28 | 重庆交通大学 | Sediment underwater repose angle measuring device |
| CN108955496A (en) * | 2018-03-22 | 2018-12-07 | 安徽理工大学 | A kind of silt underwater information warfare analyzer and its application method |
| CN108955496B (en) * | 2018-03-22 | 2023-12-22 | 安徽理工大学 | Sediment underwater repose angle tester and use method thereof |
| CN109781585A (en) * | 2019-03-22 | 2019-05-21 | 安徽省引江济淮集团有限公司 | A kind of no-Co-alloy steel Repose angle gauge |
| CN109781585B (en) * | 2019-03-22 | 2023-11-24 | 安徽省引江济淮集团有限公司 | Non-cohesive soil repose angle tester |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20160724 |