CN203658010U

CN203658010U - Vertical array-type sand sampler

Info

Publication number: CN203658010U
Application number: CN201320866858.7U
Authority: CN
Inventors: 黄宁; 陈勇; 顿洪超
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2013-12-26
Filing date: 2013-12-26
Publication date: 2014-06-18
Anticipated expiration: 2023-12-26

Abstract

The utility model discloses a vertical array-type sand sampler, which mainly comprises a sand inlet, a sand containing box and a plurality of sand containing pipes, wherein the top end of the sand containing box s provided with an exhaust hole; the plurality of sand containing pipes are parallel to each other and closely embedded inside the sand containing box; the included angle between each sand containing pipe and the horizontal plane is 30DEG; a plurality of sand inlet channels parallel to the horizontal plane are arranged in an array type to form the sand inlet; the sand inlet channels and the sand containing pipes have the same number and are in one to one correspondence; each sand inlet channel has a height of 5mm to 20mm, a width of 5mm to 20mm and a length of 5mm to 20mm; each sand inlet channel and the corresponding sand containing pipe are connected via two baffles; the included angle between the two baffles is 5DEG to 25DEG. According to the vertical array-type sand sampler, complexity of experimental conditions is overcome, a unified platform for testing performances of the sand sampler is built, and the entire sand sampler is high in efficiency and stable as the array-type arrangement mode is adopted and a plurality of sensitive parameters of the sand sampler are optimally designed.

Description

A kind of upright array sand-taped instrument

Technical field

The utility model relates to a kind of for observing the device of Sand Movement motion in the wild, is specifically related to a kind of upright array sand-taped instrument.

Background technology

Desertification has become one of global great environmental problem.Desertification is as the one of desertification, and by wind-driven sediment, the aeolian landforms such as wind erosion and eluvium appear in earth's surface, transports with the vertical and level of wind sand and dust, transports even at a distance and affects atmosphere quality.Since last century the nineties, in the northern area of China, the number of times that sandstorm weather occurs is more and more, and soil drifting problem is also more and more serious, and wind-driven sediment and control thereof have become the key subjects of China's Environmental Studies.In order effectively to defend and control sand, control soil drifting harm, need to carry out the wind erosion of field or wind-tunnel and measure, and is accurately familiar with and grasps Mechanism of Wind Blow Sand Movement.Sand-taped instrument is research dust storm movement law, one of important kind of measurement instrument of observation near surface Structure of wind-Sand Flow feature, and a most important index evaluating sand-taped instrument performance is exactly trap efficiency.Nearly two during the last ten years, about the research of the husky performance of collection, is also experimental study mostly.Complicated and changeable due to experiment condition, to sand-taped instrument of the same race, the result that different researchers draws also varies, and therefore, awaits further optimization for structure and several sensitive parameter thereof of sand-taped instrument.

Utility model content

In order to solve the problems of the technologies described above, the utility model provides a kind of upright array sand-taped instrument, and this sand-taped instrument is simple in structure, easy for installation, and while use in wind-tunnel, trap efficiency is stable.

The purpose of this utility model is carried out specific implementation by the following technical programs:

A kind of upright array sand-taped instrument, mainly comprise sand inlet, contain sandbox and multiple Sheng sand tube, the top of described Sheng sandbox is provided with vent port, described multiple Sheng sand tube is parallel to each other to be closely embedded in and contains sandbox inside, containing sand tube and horizontal plane angle is 30 °, sand inlet is rearranged by the multiple husky channel array formulas of entering parallel with surface level, enters husky passage and to contain the quantity of sand tube identical and corresponding one by one, described each enter the height of husky passage be 5 mm ~ 20mm; Each enter the width of husky passage be 5 mm ~ 20mm; Each enter the length of husky passage be 5 mm ~ 20mm, eachly enter to be connected by two dividing plates between husky passage and corresponding Sheng sand tube, between two dividing plates, there is angle.

Further, the angle between described two dividing plates is 5 ° ~ 25 °.

Further, the angle between described two dividing plates is preferably 15 °.

Further, described each enter the height of husky passage be preferably 20mm; Each enter the width of husky passage be preferably 5 mm; Each enter the length of husky passage be preferably 5 mm.

Further, sand-taped instrument is to be spliced by 0.5 mm ~ 1mm stainless steel substrates.

Further, the measuring height of sand-taped instrument is 300mm.

A kind of upright array sand-taped instrument of the utility model, overcome the property complicated and changeable of experiment condition, set up the unified platform of inspection sand-taped instrument performance, adopt arrayed mode and make the efficiency of whole sand-taped instrument high and stable by the optimal design of the several sensitive parameters to sand-taped instrument.

Brief description of the drawings

According to drawings and embodiments the utility model is described in further detail below.

Fig. 1 is a kind of structural representation of upright array sand-taped instrument;

Fig. 2 is a kind of front view of upright array sand-taped instrument;

Fig. 3 is the cut-open view along A-A in figure.

In figure: 1-contains sandbox; 2-contains sand tube; 3-enters husky passage; 4-dividing plate; 5-exhausr port; 6-sand inlet; H-enters the height of husky passage; W-enters the width of husky passage; L-enters the length of husky passage; Angle between α-two dividing plate.

Embodiment

embodiment 1

As Figure 1-3, the upright array sand-taped instrument of one described in the utility model embodiment, mainly comprise sand inlet 6, contain sandbox 1 and multiple Sheng sand tube 2, the top of containing sandbox 1 is provided with vent port 5, multiple Sheng sand tubes 2 are parallel to each other to be closely embedded in and contain sandbox 1 inside, containing sand tube 2 is 30 ° with horizontal plane angle, sand inlet 6 is rearranged by multiple husky passage 3 arrays of entering parallel with surface level, enter husky passage 3 and to contain the quantity of sand tube 2 identical and corresponding one by one, each enter the height H of husky passage be 20mm; Each enter the width W of husky passage be 5 mm; Each enter the length L of husky passage be 5 mm, eachly enter to be connected by two dividing plates 4 between husky passage 3 and corresponding Sheng sand tube 2, between two dividing plates 4, there is angle.

Preferred embodiment, the angle α between two dividing plates is 15 ° to one, and sand-taped instrument is to be spliced by 0.7mm stainless steel substrates, because the saltation grains of sand mainly concentrate near surface 200mm, is 300mm therefore adopt sand-taped instrument measuring height.

embodiment 2

The embodiment of the present embodiment and embodiment 1 is basic identical, difference be each enter the height H of husky passage be 10mm; Each enter the width W of husky passage be 5 mm; Each enter the length L of husky passage be 5 mm, the angle α between dividing plate is 10 °, sand-taped instrument is to be spliced by 1 mm stainless steel substrates.

embodiment 3

The embodiment of the present embodiment and embodiment 1 is basic identical, difference be each enter the height H of husky passage be 5mm; Each enter the width W of husky passage be 20mm; Each enter the length L of husky passage be 20mm, the angle α between two dividing plates is 5 °, sand-taped instrument is to be spliced by 0.5mm stainless steel substrates.

embodiment 4

The embodiment of the present embodiment and embodiment 1 is basic identical, difference be each enter the height H of husky passage be 15mm; Each enter the width W of husky passage be 10mm; Each enter the length L of husky passage be 10mm, the angle α between two dividing plates is 25 °, sand-taped instrument is to be spliced by 0.9mm stainless steel substrates.

embodiment 5

The embodiment of the present embodiment and embodiment 1 is basic identical, difference be each enter the height H of husky passage be 20mm; Each enter the width W of husky passage be 5mm; Each enter the length L of husky passage be 5mm, the angle α between two dividing plates is 14 °, sand-taped instrument is to be spliced by the stainless steel substrates of 0.8 mm.

The utility model in use, H, W, L and α are got optimal value by base area condition, according to husky bed surface location, sand-taped instrument is installed, part is contained sandbox and is embedded under husky bed, ensure that sand inlet is concordant with bed surface, while collecting the grains of sand, need the control time, ensure to contain sand tube and be unlikely to collect full, after experiment finishes, can open containing sandbox, take out Sheng sand tube and measure.

Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; its technical scheme that still can record previous embodiment regulates; or part technical characterictic is wherein equal to replacement; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a upright array sand-taped instrument, it is characterized in that: mainly comprise sand inlet, contain sandbox and multiple Sheng sand tube, the top of described Sheng sandbox is provided with vent port, described multiple Sheng sand tube is parallel to each other to be closely embedded in and contains sandbox inside, containing sand tube and horizontal plane angle is 30 °, sand inlet is rearranged by the multiple husky channel array formulas of entering parallel with surface level, enters husky passage and to contain the quantity of sand tube identical and corresponding one by one, described each enter the height of husky passage be 5 mm ~ 20mm; Each enter the width of husky passage be 5 mm ~ 20mm; Each enter the length of husky passage be 5 mm ~ 20mm, eachly enter to be connected by two dividing plates between husky passage and corresponding Sheng sand tube, between two dividing plates, there is angle.

2. the upright array sand-taped instrument of one according to claim 1, is characterized in that: the angle between described two dividing plates is 5 ° ~ 25 °.

3. the upright array sand-taped instrument of one according to claim 2, is characterized in that: the angle between described two dividing plates is preferably 15 °.

4. according to the upright array sand-taped instrument of the one described in claims 1 to 3 any one, it is characterized in that: described each enter the height of husky passage be preferably 20mm; Each enter the width of husky passage be preferably 5 mm; Each enter the length of husky passage be preferably 5 mm.

5. the upright array sand-taped instrument of one according to claim 4, is characterized in that: sand-taped instrument is to be spliced by 0.5 mm ~ 1mm stainless steel substrates.

6. according to the upright array sand-taped instrument of the one described in claims 1 to 3 any one, it is characterized in that: the measuring height of sand-taped instrument is 300mm.