CN212378742U - Tension crack slope measuring device - Google Patents
Tension crack slope measuring device Download PDFInfo
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- CN212378742U CN212378742U CN202021323520.3U CN202021323520U CN212378742U CN 212378742 U CN212378742 U CN 212378742U CN 202021323520 U CN202021323520 U CN 202021323520U CN 212378742 U CN212378742 U CN 212378742U
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Abstract
The utility model relates to a tension crack slope measuring device. The tension fracture gradient measuring device comprises a horizontal base, wherein a leveling screw is arranged on the horizontal base, the leveling screw adjusts the balance of the horizontal base, a first leveling bubble is fixedly connected to the outer surface of the upper end of the horizontal base, a main vertical ruler is detachably connected to the outer surface of the upper end of the horizontal base, a sleeve is sleeved on the outer surface of the main vertical ruler, the outer surface of the sleeve is connected with a horizontal ruler, the sleeve can move up and down along the main vertical ruler, a vertical precision scale is fixedly connected to the outer surface of the sleeve, and a second leveling bubble is arranged on the outer surface of the horizontal ruler; the upper end of the main vertical ruler is provided with a telescopic vertical ruler, and the horizontal ruler comprises a main horizontal ruler; the tension fracture gradient measuring device can be used for quickly and simply measuring the height difference and the collapse gradient of the ground surface step crack in the coal mining subsidence area, is low in manufacturing cost, convenient to carry, simple and easy to operate, high in precision and capable of guaranteeing the accuracy of data.
Description
Technical Field
The utility model belongs to the technical field of high diving position underground mining earth's surface microtopography measures, concretely relates to tension crack slope measuring device.
Background
In the high-water-level area of the east of China, a huge and thick fourth loose layer is covered, surface subsidence is caused by underground coal mining, the tension fracture is the most typical type of micro-landform, the quality of cultivated land is reduced, the yield of forest lands is reduced, surface structures are damaged, the gradient of the tension fracture is in the range of 1-5 degrees, and the gradient changes along with the direction of fracture extension.
The quantitative expression of the slope of the surface tension fracture is an important guarantee for fracture prevention and control and water and soil loss control, but for the measurement of the surface tension fracture caused by coal mining subsidence, attention needs to be paid to the following steps: (1) the width change of the crack and the change of the upper and lower height difference are from several millimeters to dozens of centimeters, so that the measurement accuracy is ensured; (2) on non-hardened underlying surfaces (cultivated land, forest land and the like), the soil texture at the crack is loose and easy to deform, so that the crack is not disturbed as much as possible, and the stability of measurement is ensured.
At present, no measuring device specially aiming at the tension crack gradient exists, and the existing gradient measuring method mainly comprises the following steps: direct tape measure measures, surveying instrument measures (surveyor's level, RTK etc.), unmanned aerial vehicle etc. and technique, has following several not enough:
(1) the lower cushion surface is uneven, and the direct measurement error of the tape measure is too large.
(2) Professional measuring tools are complex to operate and are not suitable for non-professional persons to use.
(3) Drones are accurate to the millimeter level, but are expensive. Requiring skilled technicians and post-processing.
Therefore, the accurate, simple and convenient to operate and easy-to-carry coal mining subsidence area surface tension fracture measuring device is the key for quantitative evaluation of the coal mining subsidence area surface tension fracture.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, reasonable in design's tension crack slope measuring device just for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a tension fracture gradient measuring device comprises a horizontal base, wherein a leveling screw is arranged on the horizontal base, the leveling screw adjusts the balance of the horizontal base, a first leveling bubble is fixedly connected to the outer surface of the upper end of the horizontal base, a main vertical ruler is detachably connected to the outer surface of the upper end of the horizontal base, a sleeve is sleeved on the outer surface of the main vertical ruler, the outer surface of the sleeve is connected with a horizontal ruler, the sleeve can move up and down along the main vertical ruler, a vertical precision scale is fixedly connected to the outer surface of the sleeve, and a second leveling bubble is arranged on the outer surface of the horizontal ruler; the upper end of main vertical scale is provided with flexible vertical scale, the level bar includes main level bar, main level bar and sleeve fixed connection, the surface cover of main level bar has the horizontal precision scale, the one end of main level bar is provided with flexible level bar.
As a further optimization scheme of the utility model, flexible vertical scale and flexible level bar are the flexible scale of damping buckle formula.
As a further optimization scheme of the utility model, the both sides surface of horizontal precision scale is provided with horizontal thumb wheel and horizontal brake screw respectively.
As a further optimization scheme of the utility model, telescopic surface is provided with vertical thumb wheel and vertical stop screw.
As the utility model discloses a further optimization scheme, the terminal fixedly connected with activity probe of flexible level bar, the same fixedly connected with activity probe of one end that the level precision scale is close to flexible level bar.
As a further optimization scheme of the utility model, main level passes through level fixed screw and sleeve fixed connection.
As a further optimization scheme of the utility model, flexible perpendicular chi is fixed through erecting chi fixed screw.
As a further optimization scheme of the utility model, be provided with flexible interior chi in the flexible perpendicular chi.
As a further optimization scheme of the utility model, the preparation materials of the horizontal base, the main vertical ruler, the vertical precision scale, the telescopic inner ruler, the telescopic vertical ruler, the horizontal precision scale, the telescopic horizontal ruler and the main horizontal ruler are all novel aluminum alloy materials; the leveling screws, the vertical ruler fixing screws, the vertical thumbwheels, the horizontal braking screws, the horizontal thumbwheels, the horizontal ruler fixing screws and the vertical braking screws are all made of light steel; the first leveling bubble, the movable probe and the second leveling bubble are all made of high-strength plastic materials.
The beneficial effects of the utility model reside in that: the utility model is provided with the first leveling bubble and the second leveling bubble, which are convenient to use during adjustment, improve the stability of the whole device, and assist people to use through the telescopic vertical ruler and the telescopic horizontal ruler, so that the device has compact structure and is convenient to operate and use; the whole device can quickly and simply measure the crack height difference and the collapse gradient of the ground surface step in the coal mining subsidence area, is low in manufacturing cost, convenient to carry, simple and easy to operate, high in accuracy and capable of guaranteeing the accuracy of data.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side view of fig. 1 of the present invention;
fig. 3 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 4 is a schematic view of the usage environment of the present invention.
In the figure: 1. a horizontal base; 2. leveling screws; 3. a first leveling bubble; 4. a vertical ruler fixing screw; 5. a main vertical ruler; 6. a vertical precision scale; 7. a vertical thumbwheel; 8. the inner ruler is telescopic; 9. a telescopic vertical ruler; 10. a movable probe; 11. a horizontal precision scale; 12. a horizontal brake screw; 13. a telescopic horizontal ruler; 14. a main level bar; 15. a second level bubble; 16. a horizontal thumbwheel; 17. a horizontal ruler fixing screw; 18. and (5) vertically stopping screws.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-3, a tension fracture gradient measuring device comprises a horizontal base 1, wherein the horizontal base 1 is provided with a leveling screw 2, the leveling screw 2 adjusts the balance of the horizontal base 1, the outer surface of the upper end of the horizontal base 1 is fixedly connected with a leveling bubble 3, the outer surface of the upper end of the horizontal base 1 is detachably connected with a main vertical ruler 5, the outer surface of the main vertical ruler 5 is sleeved with a sleeve, the outer surface of the sleeve is connected with a horizontal ruler, the sleeve can move up and down along the main vertical ruler 5, the outer surface of the sleeve is fixedly connected with a vertical precision ruler 6, and the outer surface of the horizontal ruler is provided with a second leveling bubble 15; the upper end of the main vertical ruler 5 is provided with a telescopic vertical ruler 9, the horizontal ruler comprises a main horizontal ruler 14, the main horizontal ruler 14 is fixedly connected with the sleeve, the outer surface of the main horizontal ruler 14 is sleeved with a horizontal precision ruler 11, and one end of the main horizontal ruler 14 is provided with a telescopic horizontal ruler 13; in the embodiment, the main vertical ruler 5 and the horizontal base 1 are detachably mounted through screws and screw plates, and the absolute verticality and the absolute horizontality of the vertical ruler and the horizontal ruler are ensured through the first leveling air bubble 3 and the second leveling air bubble 15, so that the measurement error is reduced;
the telescopic vertical ruler 9 and the telescopic horizontal ruler 13 are damping buckle type telescopic graduated scales, the sections are connected through damping buckles, and can be pulled out through external force when in use, so that the measuring range is enlarged; when not in use, the utility model can be pressed and contracted for storage, thus reducing the space occupation; the outer surfaces of two sides of the horizontal precision scale 11 are respectively provided with a horizontal thumbwheel 16 and a horizontal brake screw 12; the outer surface of the sleeve is provided with a vertical thumbwheel 7 and a vertical brake screw 18; the tail end of the telescopic horizontal ruler 13 is fixedly connected with a movable probe 10, one end of the horizontal precision ruler 11, which is close to the telescopic horizontal ruler 13, is also fixedly connected with the movable probe 10, the movable probe 10 can measure the width of a crack, the movable probe 10 can be a probe 10 capable of rotating in multiple directions, and when the probe is not used, the probe can be rotated to be parallel to the telescopic horizontal ruler 13 or far away from the opposite vertical state, and the probe can also be detachably arranged; the main horizontal ruler 14 is fixedly connected with the sleeve through a horizontal ruler fixing screw 17; the telescopic vertical ruler 9 is fixed by a vertical ruler fixing screw 4; the telescopic vertical ruler 9 is internally provided with the telescopic inner ruler 8, namely the telescopic inner ruler 8 is accommodated in the telescopic vertical ruler 9, and when the sleeve is moved up to the outer surface of the telescopic vertical ruler 9 or the telescopic inner ruler 8 in actual use, the telescopic vertical ruler and the telescopic inner ruler may not be completely fit, so that a rubber layer can be arranged in the sleeve in actual use, certain adaptability is provided, and the sleeve can be fastened only by the vertical brake screw 18;
the horizontal base 1, the main vertical ruler 5, the vertical precision scale 6, the telescopic inner ruler 8, the telescopic vertical ruler 9, the horizontal precision scale 11, the telescopic horizontal ruler 13 and the main horizontal ruler 14 are all made of novel aluminum alloy materials; the leveling screws 2, the vertical ruler fixing screws 4, the vertical thumbwheels 7, the horizontal braking screws 12, the horizontal thumbwheels 16, the horizontal ruler fixing screws 17 and the vertical braking screws 18 are all made of light steel; the first leveling bubble 3, the movable probe 10 and the second leveling bubble 15 are all made of high-strength plastic materials, in the embodiment, the mass of the whole device is not more than 2kg, and the volume of the whole device is not more than 0.001m after being shrunk3The portable field measurement instrument is convenient to carry and operate and is suitable for field measurement;
it should be noted that, when the tension fracture gradient measuring device is used, when the step crack height difference on the working surface of the coal mining subsidence area is measured according to the requirement, two points of the height difference to be measured are selected, as shown in fig. 4, the horizontal base 1 is placed at the point B, the leveling screw 2 is rotated, the position of the first leveling bubble 3 is observed while the leveling bubble is positioned at the center, so that the stability of the base can be ensured, then the main vertical ruler 5 is installed, the level ruler is fixed at the sleeve outlet through the level ruler fixing screw 17, the position of the second leveling bubble is observed during installation, so that the installation stability of the level ruler is ensured, the movable probe 10 at the front end of the level ruler is opened, namely the position of a certain end of the telescopic level ruler 13, the telescopic level ruler 13 is moved, so that the level ruler probe is positioned above the position A at the other side of the crack, the level braking screw 12 is adjusted, make movable probe 10 slowly be close until touching the A point on ground, then rotatory vertical thumb wheel 7, screw vertical stop screw 18, can obtain the horizontal distance value L of relief difference in height H and crack both sides, when measuring the step crack difference in height on the coal mining subsidence area working face this moment, the upper and lower step relief difference in height equals H, the slope is I, I is H/L, treat that data record finishes the back, dismounting device withdraws, whole device is comparatively practical.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. The tension fracture gradient measuring device is characterized by comprising a horizontal base (1), wherein a leveling screw (2) is arranged on the horizontal base (1), the leveling screw (2) is used for adjusting the balance of the horizontal base (1), a first leveling bubble (3) is fixedly connected to the outer surface of the upper end of the horizontal base (1), a main vertical ruler (5) is detachably connected to the outer surface of the upper end of the horizontal base (1), a sleeve is sleeved on the outer surface of the main vertical ruler (5), the outer surface of the sleeve is connected with a horizontal ruler, the sleeve can move up and down along the main vertical ruler (5), a vertical precision ruler (6) is fixedly connected to the outer surface of the sleeve, and a second leveling bubble (15) is arranged on the outer surface of the horizontal ruler; the upper end of main vertical scale (5) is provided with flexible vertical scale (9), the level bar includes main level bar (14), main level bar (14) and sleeve fixed connection, the surface cover of main level bar (14) has horizontal precision scale (11), the one end of main level bar (14) is provided with flexible level bar (13).
2. The tension fracture slope measuring device of claim 1, wherein: the telescopic vertical ruler (9) and the telescopic horizontal ruler (13) are damping buckle type telescopic graduated scales.
3. The tension fracture slope measuring device according to claim 2, wherein: and the outer surfaces of two sides of the horizontal precision scale (11) are respectively provided with a horizontal thumbwheel (16) and a horizontal brake screw (12).
4. A tension fracture slope measuring device as claimed in claim 3, wherein: the outer surface of the sleeve is provided with a vertical thumbwheel (7) and a vertical brake screw (18).
5. The tension fracture slope measuring device according to claim 4, wherein: the tail end of the telescopic horizontal ruler (13) is fixedly connected with a movable probe (10), and one end, close to the telescopic horizontal ruler (13), of the horizontal precision ruler (11) is fixedly connected with the movable probe (10) in the same way.
6. The tension fracture slope measuring device of claim 5, wherein: the main horizontal ruler (14) is fixedly connected with the sleeve through a horizontal ruler fixing screw (17).
7. The tension fracture slope measuring device of claim 6, wherein: the telescopic vertical ruler (9) is fixed through a vertical ruler fixing screw (4).
8. The tension fracture slope measuring device of claim 7, wherein: a telescopic inner ruler (8) is arranged in the telescopic vertical ruler (9).
9. The tension fracture slope measuring device of claim 8, wherein: the horizontal base (1), the main vertical ruler (5), the vertical precision scale (6), the telescopic inner ruler (8), the telescopic vertical ruler (9), the horizontal precision scale (11), the telescopic horizontal ruler (13) and the main horizontal ruler (14) are all made of novel aluminum alloy materials; the leveling screws (2), the vertical ruler fixing screws (4), the vertical thumbwheels (7), the horizontal braking screws (12), the horizontal thumbwheels (16), the horizontal ruler fixing screws (17) and the vertical braking screws (18) are all made of light steel; the first leveling bubble (3), the movable probe (10) and the second leveling bubble (15) are all made of high-strength plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323520.3U CN212378742U (en) | 2020-07-08 | 2020-07-08 | Tension crack slope measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323520.3U CN212378742U (en) | 2020-07-08 | 2020-07-08 | Tension crack slope measuring device |
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| CN212378742U true CN212378742U (en) | 2021-01-19 |
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| CN202021323520.3U Active CN212378742U (en) | 2020-07-08 | 2020-07-08 | Tension crack slope measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775333A (en) * | 2021-09-10 | 2021-12-10 | 中国水利水电第八工程局有限公司 | Freezing hole inclination measuring base frame |
| CN114543753A (en) * | 2022-03-14 | 2022-05-27 | 晋能控股煤业集团有限公司 | DEM correction method for landform of subsidence crack area |
-
2020
- 2020-07-08 CN CN202021323520.3U patent/CN212378742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775333A (en) * | 2021-09-10 | 2021-12-10 | 中国水利水电第八工程局有限公司 | Freezing hole inclination measuring base frame |
| CN114543753A (en) * | 2022-03-14 | 2022-05-27 | 晋能控股煤业集团有限公司 | DEM correction method for landform of subsidence crack area |
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Address after: 232000 Tian Jia An District, Huainan City, Anhui Patentee after: Anhui University of Science and Technology Patentee after: HUAIBEI MINING INDUSTRY Co.,Ltd. Address before: 232000 tianjia'an District, Hefei City, Anhui Province Patentee before: Anhui University of Science and Technology Patentee before: HUAIBEI MINING INDUSTRY Co.,Ltd. |