CN210893104U

CN210893104U - Repose angle measuring device

Info

Publication number: CN210893104U
Application number: CN201921897444.4U
Authority: CN
Inventors: 吴越; 程谦恭; 李坤; 姜润昱; 龙艳梅
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-30
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an angle of repose measuring device belongs to geotechnical test equipment field. Including the base, the mounting panel of setting on the base, the setting is at the mounting groove of mounting panel and set up the measuring scale that is connected in the mounting groove and rotates with the mounting panel, base upper surface and base lower surface parallel arrangement, be equipped with the scale on the measuring scale, the opening side of mounting groove sets up with the coplanar of one side of base, the longitudinal section of mounting groove is the fourth circular, the central axis of mounting groove sets up on the rotation axis of measuring scale, is equipped with the level bubble on the base, the utility model discloses a to the measurement function of solid particle angle of repose, when having reduced the solid particle and piling up the error that produces when angle of repose measures the reading, improved measurement accuracy and convenient operation, greatly improved measurement of efficiency.

Description

Repose angle measuring device

Technical Field

The utility model relates to a geotechnical test equipment field, concretely relates to angle of repose 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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provided an angle of repose measuring device, concrete technical scheme is as follows:

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.

The utility model discloses when well measurement personnel need carry out the angle of repose and measure, measurement personnel pile up the slope lower limb with the base to solid particle nature and are close to, pile up the slope lower limb with solid particle nature until the avris of base lower surface and mounting panel circle mandrel coincidence and hug closely, manually adjust the base after that and make the level bubble placed in the middle. 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.

The utility model discloses with the bottom surface and the coplanar setting of base lower surface of mounting panel to with the coplanar setting of the central axis of mounting groove and base lower surface, make and measure the dish and can pile up the slope lower limb with solid particle nature and hug closely at mounting panel avris in the measurement process, and make the rotation center of measuring the dish can be direct with the summit coincidence of angle of repose, further improved the utility model discloses a measure the convenience and measure the precision.

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.

The utility model discloses a setting arc slider on measuring the circle and setting up the cooperation between the inboard arc spout of mounting panel, to the direction of rotation restriction of measuring the circle, further improved the utility model discloses measuring the precision of angle of repose in-process.

Preferably, the center of the arc-shaped slider is arranged on the rotating shaft of the measuring dial.

The utility model discloses set up the rotatory centre of a circle of arc slider on the rotation axis of measuring the circle, make the direction of rotation of measuring the circle can be unanimous with the measuring direction that the measurement personnel predetermine, and can not produce the deviation in the measurement 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.

The utility model discloses bond two sets of limiting plates at the base upper surface to installation fixed strip has formed the mounting groove from this between two sets of limiting plates, has reduced the utility model discloses a make the degree of difficulty and manufacturing cost, improved the utility model discloses a practicality.

Preferably, the measuring dial is provided with a handle.

The utility model discloses a setting up the handle on measuring the scale, the measuring staff of being convenient for holds tight handle rotation in the measurement process and measures the scale, has further improved the utility model discloses a convenience and practicality.

Preferably, one side of the mounting plate close to the handle is provided with a containing groove corresponding to the handle.

The utility model discloses in set up the mounting panel near one side of handle and with the storage tank that the handle corresponds, make the utility model discloses can place handle and measurement circle respectively in storage tank and mounting groove at the restriction in-process, saved occupation space, and avoid the utility model discloses damage etc. appears in idle in-process, reduced the utility model discloses a spoilage.

Preferably, the scale comprises ninety-grid divisions evenly distributed and divisions disposed next to the divisions and corresponding to the division values.

The utility model discloses a cut apart into evenly distributed's ninety check and carve check with the scale to the value of carving that other setting of carving check and the corresponding of the check numerical value of carving, the measuring staff of being convenient for can convenient and fast's the number of degrees of reading out the angle of repose and carry out the record in the measurement process, further improved the utility model discloses a convenience and practicality.

Preferably, the restricting plate and the fixing strip are fixedly connected by adhesion.

The utility model discloses a with the mode fixed connection that limiting plate and fixed strip adopted the bonding, reduced the utility model discloses a processing technology degree of difficulty and manufacturing cost

The utility model discloses following beneficial effect has:

the utility model discloses a pile up the slope lower limb to solid particle nature with the base and be close to, pile up the slope lower limb with solid particle nature until the avris of base lower surface and mounting panel circle mandrel coincidence and hug closely with solid particle nature, manual regulation base makes the level bubble placed in the middle after that, then make the avris of measuring the dial pile up the slope with solid particle nature and domatic hug closely, and then read the numerical value of the vertical limit department measuring dial of mounting panel, realized the measurement function to solid particle angle of repose, the utility model discloses when having reduced solid particle and piled up the error that produces when angle of repose measures the reading, improved measurement accuracy and convenient operation are convenient, have greatly improved measurement of efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a measuring dial in the present invention;

FIG. 3 is a schematic structural view of the measuring dial of the present invention;

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 the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1 to 5, the utility model discloses a be equipped with mounting groove 11 in base 302 and the mounting panel 1, the mounting panel 1 that set up on base 302 for installing the main part of measuring, be equipped with in the mounting groove 11 and rotate the measurement dial 202 of being connected with mounting panel 1, measurement dial 202 is used for measuring the number of degrees to the 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. The utility model discloses with the bottom surface of mounting panel 1 and base 302 lower surface coplanar setting to with the central axis of mounting groove 11 and base 302 lower surface coplanar setting, make and measure 1 avris of dial 202 in the measurement process and can pile up the slope lower limb with solid particle nature and hug closely, and make the rotation center of measuring dial 202 can be direct with the summit coincidence of angle of repose, further improved the utility model discloses a measure the convenience and measure the precision.

Further refer to fig. 1 to fig. 3, be equipped with the scale 2 of being convenient for the survey crew reading on the measurement dial 202, scale 2 includes ninety check of evenly distributed and carves check 5 and set up at the other and carve the value 6 that corresponds of 5 numerical values of check, the utility model discloses a cut apart into ninety check of evenly distributed with scale 2 and carve check 5 to at the other scale 6 that sets up and carve the corresponding numerical value of 5 numerical values of check 5, the measurement crew of being convenient for can convenient and fast read out the number of degrees of angle of repose and carry out the record in the measurement process, further improved the utility model discloses a convenience and practicality. 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. The utility model discloses a setting arc slider 203 on measuring the dial 202 and the cooperation of setting between the inboard arc spout 303 of mounting panel 1, to the direction of rotation restriction that measures dial 202 of fixing a position, further improved the utility model discloses measuring the precision at measurement angle of repose in-process. Simultaneously the utility model discloses set up the rotatory centre of a circle of arc slider 203 on the rotation axis of measuring circle 202, make the direction of rotation that measures circle 202 unanimous with the measuring direction that the measurement personnel predetermine, and can not produce the deviation in the measurement process.

Further referring to fig. 4 to 5, the mounting panel 1 includes two sets of limiting plates 304 that set up on the base 302 and sets up the fixed strip 305 between two sets of limiting plates 304, and limiting plate 304 and fixed strip 305 adopt the mode fixed connection that bonds, the utility model discloses a with limiting plate 304 and fixed strip 305 adopt the mode fixed connection that bonds, reduced the utility model discloses a processing technology degree of difficulty and manufacturing cost. The utility model discloses bond two sets of limiting plate 304 at base 302 upper surface to installation fixed strip 305 has formed mounting groove 11 from this between two sets of limiting plate 304, has reduced the utility model discloses a make the degree of difficulty and manufacturing cost, improved the utility model discloses a practicality. Be equipped with the handle 201 of the measuring staff operation of being convenient for on the measurement dial 202, the utility model discloses a setting up the handle 201 on measuring dial 202, the measuring staff of being convenient for holds handle 201 tightly in the measurement process and rotates measurement dial 202, has further improved the utility model discloses a convenience and practicality. One side that mounting panel 1 is close to handle 201 is equipped with the storage tank 4 that corresponds with handle 201, the utility model discloses in set up the storage tank 4 that one side that is close to handle 201 at mounting panel 1 and corresponds with handle 201, make the utility model discloses can place handle 201 and measurement dial 202 respectively in storage tank 4 and mounting groove 11 at the restriction in-process, saved occupation space, and avoid the utility model discloses damage etc. appear in idle in-process, reduced the utility model discloses a spoilage.

The utility model discloses a pile up slope lower limb to solid particle nature with base 302 and be close to, pile up the slope lower limb with solid particle nature until the avris of base 302 lower surface and the coincidence of 1 round mandrel of mounting panel and hug closely, manual regulation base 302 makes level bubble 301 placed in the middle after that, then make the avris of measuring dial 202 pile up slope domatic with solid particle nature and hug closely, and then read the numerical value of 1 vertical limit departments of mounting panel measuring dial 202, realized the measurement function to solid particle angle of repose, the utility model discloses when having reduced solid particle and piled up the error that produces when the angle of repose measures the reading, improved measurement accuracy and convenient operation, greatly improved measurement of efficiency.

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 above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

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.