CN110617799A - Repose angle measuring device - Google Patents
Repose angle measuring device Download PDFInfo
- Publication number
- CN110617799A CN110617799A CN201911070560.3A CN201911070560A CN110617799A CN 110617799 A CN110617799 A CN 110617799A CN 201911070560 A CN201911070560 A CN 201911070560A CN 110617799 A CN110617799 A CN 110617799A
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- CN
- China
- Prior art keywords
- base
- measuring
- angle
- mounting plate
- repose
- 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.)
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- 230000000875 corresponding Effects 0.000 claims description 11
- 239000002245 particle Substances 0.000 description 25
- 239000007787 solid Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 15
- 238000009825 accumulation Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000001070 adhesive Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
Abstract
The invention discloses a repose angle measuring device, and belongs to the field of geotechnical test equipment. The measuring device comprises a base, a mounting plate arranged on the base, a mounting groove arranged in the mounting plate and a measuring dial arranged in the mounting groove and rotationally connected with the mounting plate, wherein the upper surface of the base is parallel to the lower surface of the base, scales are arranged on the measuring dial, the opening side of the mounting groove and one side of the base are arranged on the same plane, the longitudinal section of the mounting groove is in a quarter circle shape, the central axis of the mounting groove is arranged on a rotating shaft of the measuring dial, and leveling bubbles are arranged on the base.
Description
Technical Field
The invention relates to the field of geotechnical test equipment, in particular to a repose angle measuring device.
Background
The angle of repose is the maximum angle between the natural slope and the horizontal plane formed when solid particles are stacked in a loose state under the action of a gravity field, and reflects the friction property of the original solid particles, which is also called as the stacking angle or static friction angle. The flowability of solid particles cannot be expressed by a single specific value, and the size of the angle of repose reflects the frictional properties of the solid particles themselves, so the flowability of solid particles is usually expressed by the angle of repose. The solid particles with good fluidity can not keep balance on the slope surface with smaller gradient, so the formed angle of repose is smaller, and the solid particles with poor fluidity can form larger angle of repose.
The repose angle has important guiding significance on soil pile design, foundation pit design, slope stability, landslide physical model test and the like, and effective physical parameter guarantee can be provided for the accurate measurement of the repose angle. At present, the repose angle measuring instrument for geotechnical tests is simple and crude in structure, whether the measured angle is the repose angle or not is judged through sight lines, and due to sight line judgment errors, the measured angle and the real repose angle have large errors, so that test results are seriously influenced, the operation is inconvenient, and the working efficiency is greatly influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a repose angle measuring device, which has the following specific technical scheme:
the utility model provides an angle of repose measuring device, which comprises a base, the mounting panel of setting on the base, the mounting groove of setting in the mounting panel and set up in the mounting groove and rotate the measurement dial of being connected with the mounting panel, base upper surface and base lower surface parallel arrangement, be equipped with the scale on the measurement dial, the opening side of mounting groove sets up with the one side coplanar of base, the longitudinal section of mounting groove is the quarter circular, the central axis setting of mounting groove is on the rotation axis of measuring the dial, be equipped with the level bubble on the base.
When a measurer needs to measure the repose angle, the measurer enables the base to approach the lower edge of the natural accumulation slope of the solid particles until the side of the lower surface of the base, which is coincided with the round central axis of the mounting plate, is attached to the lower edge of the natural accumulation slope of the solid particles, and then the base is manually adjusted to enable the leveling bubble to be centered. Then a measurer manually operates the measuring dial to enable the measuring dial to rotate towards the outer side of the mounting groove until the side of the measuring dial is tightly attached to the natural accumulation slope of the solid particles. And reading the numerical value of the measuring scale at the vertical edge of the mounting plate by a measurer, wherein the numerical value is the angle of repose of the solid particles.
Preferably, the bottom surface of the mounting plate is flush with the lower surface of the base, and the central axis of the mounting groove is flush with the lower surface of the base.
According to the invention, the bottom surface of the mounting plate and the lower surface of the base are arranged in the same plane, and the central axis of the mounting groove and the lower surface of the base are arranged in the same plane, so that the side of the mounting plate can be tightly attached to the lower edge of the natural accumulation slope of the solid particles in the measuring process of the measuring dial, and the rotating center of the measuring dial can be directly superposed with the top point of the repose angle, thereby further improving the measuring convenience and the measuring accuracy of the invention.
Preferably, the measuring dial is provided with an arc-shaped sliding block, and the inner side of the mounting plate is provided with an arc-shaped sliding groove corresponding to the arc-shaped sliding block.
According to the invention, the arc-shaped sliding block arranged on the measuring dial is matched with the arc-shaped sliding groove arranged on the inner side of the mounting plate, so that the rotation direction of the measuring dial is positioned and limited, and the measuring accuracy in the process of measuring the repose angle is further improved.
Preferably, the center of the arc-shaped slider is arranged on the rotating shaft of the measuring dial.
The rotating center of the arc-shaped sliding block is arranged on the rotating shaft of the measuring dial, so that the rotating direction of the measuring dial can be consistent with the measuring direction preset by measuring personnel, and deviation cannot be generated in the measuring process.
Preferably, the mounting plate comprises two sets of limiting plates arranged on the base and a fixing strip arranged between the two sets of limiting plates.
According to the invention, two groups of limiting plates are bonded on the upper surface of the base, and the fixing strip is arranged between the two groups of limiting plates, so that the mounting groove is formed, the manufacturing difficulty and the production cost of the invention are reduced, and the practicability of the invention is improved.
Preferably, the measuring dial is provided with a handle.
The handle arranged on the measuring dial is convenient for a measuring person to hold the handle to rotate the measuring dial in the measuring process, and the convenience and the practicability of the measuring dial are further improved.
Preferably, one side of the mounting plate close to the handle is provided with a containing groove corresponding to the handle.
The accommodating groove is arranged on one side of the mounting plate close to the handle and corresponds to the handle, so that the handle and the measuring dial can be respectively placed in the accommodating groove and the mounting groove in the limiting process, the occupied space is saved, the damage and the like in the idle process can be avoided, and the damage rate of the invention is reduced.
Preferably, the scale comprises ninety-grid divisions evenly distributed and divisions disposed next to the divisions and corresponding to the division values.
According to the invention, the scales are divided into ninety grids which are uniformly distributed, and the scale values corresponding to the grid values are arranged beside the grids, so that a measurer can conveniently and rapidly read and record the degree of the angle of repose in the measuring process, and the convenience and the practicability of the invention are further improved.
Preferably, the restricting plate and the fixing strip are fixedly connected by adhesion.
The limiting plate and the fixing strip are fixedly connected in a bonding mode, so that the processing technology difficulty and the production cost of the invention are reduced
The invention has the following beneficial effects:
the base is close to the lower edge of the natural accumulation slope of the solid particles until the side of the lower surface of the base, which is coincident with the circular central axis of the mounting plate, is tightly attached to the lower edge of the natural accumulation slope of the solid particles, the leveling bubble is centered by manually adjusting the base, then the side of the measuring dial is tightly attached to the slope surface of the natural accumulation slope of the solid particles, and the numerical value of the measuring dial at the vertical edge of the mounting plate is read, so that the measuring function of the repose angle of the solid particles is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a measuring dial according to the present invention;
FIG. 3 is a schematic view of the present invention with the measurement dial removed;
FIG. 4 is a front view of the present invention;
fig. 5 is a cross-sectional view of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 to 5, the present invention includes a base 302 for mounting a measuring body, and a mounting plate 1 disposed on the base 302, wherein a mounting groove 11 is disposed in the mounting plate 1, a measuring dial 202 rotatably connected to the mounting plate 1 is disposed in the mounting groove 11, and the measuring dial 202 is used for measuring the degree of an angle of repose. The upper surface of the base 302 and the lower surface of the base 302 are arranged in parallel, the opening side of the mounting groove 11 and one side of the base 302 are arranged in the same plane, the longitudinal section of the mounting groove 11 is in a quarter-circle shape, the bottom surface of the mounting plate 1 and the lower surface of the base 302 are arranged in the same plane, and the central axis of the mounting groove 11 and the lower surface of the base 302 are arranged in the same plane. According to the invention, the bottom surface of the mounting plate 1 and the lower surface of the base 302 are arranged in the same plane, and the central axis of the mounting groove 11 and the lower surface of the base 302 are arranged in the same plane, so that the side of the mounting plate 1 can be tightly attached to the lower edge of a natural accumulation slope of solid particles in the measuring process of the measuring dial 202, and the rotating center of the measuring dial 202 can be directly superposed with the top point of the repose angle, thereby further improving the measuring convenience and the measuring accuracy of the invention.
Further referring to fig. 1 to 3, the scale 2 convenient for the reading of the measuring staff is arranged on the measuring dial 202, the scale 2 comprises ninety-grid scales 5 which are uniformly distributed and scales 6 which are arranged beside the scales 5 and correspond to the numerical values of the scales 5, the scale 2 is divided into the ninety-grid scales 5 which are uniformly distributed, and the scales 6 corresponding to the numerical values of the scales 5 are arranged beside the scales 5, so that the measuring staff can conveniently and quickly read and record the degree of the angle of repose in the measuring process, and the convenience and the practicability of the invention are further improved. The center axis of the mounting groove 11 is provided on the rotation shaft of the measuring dial 202, the base 302 is provided with a leveling bubble 301 for determining the levelness of the base 302, and the leveling bubble 301 is fitted into the base 302. When a measurer needs to measure the repose angle, the measurer enables the base 302 to approach the lower edge of the natural accumulation slope of the solid particles until the lower surface of the base 302 is clung to the lower edge of the natural accumulation slope of the solid particles along the side where the lower surface of the base 302 coincides with the circular mandrel of the mounting plate 1, and then the base 302 is manually adjusted to enable the leveling bubble 301 to be centered. Then, the measuring staff manually operates the measuring dial 202 to make the measuring dial 202 rotate and move towards the outer side of the mounting groove 11 until the side of the measuring dial 202 is tightly attached to the natural accumulation slope of the solid particles. The measurer reads the value of the measuring scale 202 at the vertical edge of the mounting plate 1, namely the angle of repose of the solid particles.
Referring further to fig. 3 to 5, an arc-shaped sliding block 203 is arranged on the measuring dial 202, an arc-shaped sliding groove 303 corresponding to the arc-shaped sliding block 203 is arranged on the inner side of the mounting plate 1, and the rotating center of the arc-shaped sliding block 203 is arranged on the rotating shaft of the measuring dial 202. According to the invention, the arc-shaped sliding block 203 arranged on the measuring dial 202 is matched with the arc-shaped sliding groove 303 arranged on the inner side of the mounting plate 1, so that the rotation direction of the measuring dial 202 is positioned and limited, and the measuring accuracy of the invention in the process of measuring the repose angle is further improved. Meanwhile, the rotating center of the arc-shaped sliding block 203 is arranged on the rotating shaft of the measuring dial 202, so that the rotating direction of the measuring dial 202 can be consistent with the measuring direction preset by a measuring person, and deviation cannot be generated in the measuring process.
With further reference to fig. 4 to 5, the mounting plate 1 includes two sets of limiting plates 304 disposed on the base 302 and a fixing strip 305 disposed between the two sets of limiting plates 304, the limiting plates 304 and the fixing strip 305 are fixedly connected in an adhesive manner, and the present invention reduces the difficulty of the processing process and the production cost by fixedly connecting the limiting plates 304 and the fixing strips 305 in an adhesive manner. According to the invention, two groups of limiting plates 304 are adhered to the upper surface of the base 302, and the fixing strip 305 is arranged between the two groups of limiting plates 304, so that the mounting groove 11 is formed, the manufacturing difficulty and the production cost of the invention are reduced, and the practicability of the invention is improved. The measuring dial 202 is provided with the handle 201 which is convenient for a measuring person to operate, the measuring dial 202 is convenient for the measuring person to hold the handle 201 to rotate the measuring dial 202 in the measuring process through the handle 201 arranged on the measuring dial 202, and the convenience and the practicability of the measuring dial are further improved. The side, close to the handle 201, of the mounting plate 1 is provided with the containing groove 4 corresponding to the handle 201, and the containing groove 4, close to the handle 201, of the mounting plate 1 and corresponding to the handle 201, is arranged, so that the handle 201 and the measuring dial 202 can be respectively placed in the containing groove 4 and the mounting groove 11 in the limiting process, the occupied space is saved, the damage and the like in the idle process of the invention are avoided, and the damage rate of the invention is reduced.
According to the invention, the base 302 is close to the lower edge of the natural accumulation slope of the solid particles until the side of the lower surface of the base 302, which is coincided with the round central axis of the mounting plate 1, is clung to the lower edge of the natural accumulation slope of the solid particles, then the leveling bubble 301 is centered by manually adjusting the base 302, then the side of the measuring dial 202 is clung to the slope surface of the natural accumulation slope of the solid particles, and further the numerical value of the measuring dial 202 at the vertical edge of the mounting plate 1 is read, so that the measuring function of the repose angle of the solid particles is realized.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The repose angle measuring device is characterized by comprising a base (302), a mounting plate (1) arranged on the base (302), a mounting groove (11) arranged in the mounting plate (1) and a measuring dial (202) arranged in the mounting groove (11) and rotatably connected with the mounting plate (1), wherein the upper surface of the base (302) is parallel to the lower surface of the base (302), scales (2) are arranged on the measuring dial (202), the opening side of the mounting groove (11) is coplanar with one side of the base (302), the longitudinal section of the mounting groove (11) is in a quarter circle shape, the central axis of the mounting groove (11) is arranged on a rotating shaft of the measuring dial (202), and leveling bubbles (301) are arranged on the base (302).
2. The angle of repose measuring device according to claim 1, characterized in that the bottom surface of the mounting plate (1) is disposed coplanar with the lower surface of the base (302), and the central axis of the mounting groove (11) is disposed coplanar with the lower surface of the base (302).
3. The angle of repose measuring device according to claim 1, wherein an arc-shaped slider (203) is provided on said measuring dial (202), and an arc-shaped sliding groove (303) corresponding to said arc-shaped slider (203) is provided inside said mounting plate (1).
4. The angle of repose measuring device according to claim 3, wherein the center of rotation of said arc-shaped slider (203) is disposed on the axis of rotation of the measuring dial (202).
5. The angle of repose measuring device according to claim 1, characterized in that the mounting plate (1) comprises two sets of limiting plates (304) provided on a base (302) and a fixing bar (305) provided between the two sets of limiting plates (304).
6. The angle of repose measuring device according to claim 1, wherein a handle (201) is provided on said measuring dial (202).
7. The angle of repose measuring device of claim 6, characterized in that a receiving groove (4) corresponding to the handle (201) is provided on a side of the mounting plate (1) near the handle (201).
8. Angle of repose measuring device according to claim 1, characterized in that the scale (2) comprises ninety-grid divisions (5) evenly distributed and divisions (6) arranged next to the divisions (5) and corresponding to the numerical values of the divisions (5).
9. The angle of repose measuring device according to claim 5, wherein said restriction plate (304) and fixing strip (305) are fixedly connected by means of adhesion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070560.3A CN110617799A (en) | 2019-11-05 | 2019-11-05 | Repose angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070560.3A CN110617799A (en) | 2019-11-05 | 2019-11-05 | Repose angle measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617799A true CN110617799A (en) | 2019-12-27 |
Family
ID=68927400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911070560.3A Pending CN110617799A (en) | 2019-11-05 | 2019-11-05 | Repose angle measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617799A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097584A (en) * | 2020-07-31 | 2020-12-18 | 上海二十冶建设有限公司 | Device for measuring horizontal safe distance of foundation pit and using method |
-
2019
- 2019-11-05 CN CN201911070560.3A patent/CN110617799A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097584A (en) * | 2020-07-31 | 2020-12-18 | 上海二十冶建设有限公司 | Device for measuring horizontal safe distance of foundation pit and using method |
| CN112097584B (en) * | 2020-07-31 | 2023-03-03 | 上海二十冶建设有限公司 | Use method of device for measuring horizontal safe distance of foundation pit |
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