CN102589836A - High-gradient layering rotation vertical sand sampler - Google Patents
High-gradient layering rotation vertical sand sampler Download PDFInfo
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- CN102589836A CN102589836A CN2012100682849A CN201210068284A CN102589836A CN 102589836 A CN102589836 A CN 102589836A CN 2012100682849 A CN2012100682849 A CN 2012100682849A CN 201210068284 A CN201210068284 A CN 201210068284A CN 102589836 A CN102589836 A CN 102589836A
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Abstract
The invention discloses a high-gradient layering rotation vertical sand sampler. The high-gradient layering rotation vertical sand sampler comprises a main rod which is arranged vertically; four first connection rods are at least arranged on the main rod in a horizontal direction; the first connection rods can be adjusted on the main rod in a vertical direction; each first connection rod is provided with a sand sampling monomer; a second connection rod is horizontally arranged at the position of the main rod, which is above each first connection rod; the second connection rods are parallel to the first connection rods; the second connection rods can be adjusted on the main rod in a vertical direction; each second connection rod is provided with an anemoscope and an anemobiagraph; and the axis of the sand inlet of the sand sampling monomer is flush with the axis of the anemoscope. According to the sand sampler, the height of a sand sampling cylinder can be adjusted during field observation of outdoor sandy air current; the sand sampling monomers at different heights can be rotated automatically and flexibly along with wind direction all the year round, and the sand inlet is accurately aligned with the wind direction; and all sand grains entering a sand inlet pipe can be settled in the sand sampling cylinder, and high testing accuracy is achieved.
Description
Technical field
The present invention relates to a kind of observation instrument of open-air dust storm local wind sand drift forms of motion, be specifically related to a kind of high gradient layering rotary vertical sand-taped instrument.
Background technology
A vital task of dust storm research is to confirm that silt discharge is with the rule of height and position variation and the structure of stream.And sand-taped instrument is the important tool of research Structure of wind-Sand Flow, can and grasp regional dust storm kinetic property in order to accurate understanding through the Structure of wind-Sand Flow that sand-taped instrument records, thereby for the accurate selection of sand prevention means the technical basis of science is provided.Therefore, the measuring accuracy of the sand-taped instrument of selecting for use directly influences the judgement to the local Structure of wind-Sand Flow and the stream characteristics of motion, and then influences validity and the rationality that measures for sand prevention is set.
At present, there is certain problem in the domestic sand-taped instrument that generally adopts aspect design and the applicability.
At first; In design, only considered the sedimentary loading below the 3m, in the observation to Qinghai-Tibet stream and Xinjiang high wind local wind gravel stream, we find; Stream or flying upward highly of wind gravel stream can reach more than the 10m, and it reaches more than 40% at the grains of sand content more than the 3m.
Secondly, the aeration condition of sand-collecting cylinder is relatively poor.The sand-taped instrument that has is not considered the blast in the sediment transport tube, causes many grains of sand to be suppressed out by the blast in the tube, reduces the husky rate of collection; Though what have has considered blast; Stainless (steel) wire vent port, sand inlet top are established exhausr port, several connect following square opening, pore etc. begins to rehearse at the tube top being provided with on the sand-collecting cylinder; But in the actual measurement, disrepair phenomenon takes place and influences measuring accuracy in steel mesh in use for some time to find to have many grains of sand to be blown perhaps at the scene.
The 3rd, collection Sha Qidou is fixed on a direction and carries out the collection of sand appearance in the design of many sand-taped instruments, the grains of sand from different directions of can't realizing accurately collecting; Though what have can rotate; But sensitivity is lower, or after being exposed to the weather for a long time, rotation axis gets rusty and can't realize rotation flexibly automatically.
The 4th, only considered in sand-collecting cylinder (box) design low capacity sedimentary loading of short-term can't be directed against the test of strong wind district, high gradient, long high capacity sedimentary loading.
The 5th, sand-taped instrument can only be fixed the long-pending sand of measuring a certain height in design, can not carry out self-control along with the progress and the requirement of scientific research and testing.
Summary of the invention
In order to overcome the problem that exists in the above-mentioned prior art; The purpose of this invention is to provide a kind of high gradient layering rotary vertical sand-taped instrument applicable to Gobi desert high wind area, Qinghai-Tibet high altitude localities and common desert area; Can adjust observed altitude, the dust storm motion conditions of observation differing heights, the air pressure in the sand-collecting cylinder is consistent with the air pressure in the air-flow; Can accurately gather the grains of sand, improve measuring accuracy.
For realizing above-mentioned purpose; The technical scheme that the present invention adopted is: a kind of high gradient layering rotary vertical sand-taped instrument; The mobile jib that comprises vertical setting is horizontally installed with four head rods at least on the mobile jib, but the position up-down adjustment of head rod on mobile jib; Head rod is provided with the husky monomer of collection; Average level is equipped with one second connecting link on the mobile jib of every head rod top, and the direction of this second connecting link and the direction of this head rod are positioned on 180 ° of directions; But the position up-down adjustment of second connecting link on mobile jib is separately installed with wind indicator and anemoscope on second connecting link, collects the position of husky monomer sand inlet axis and the position flush of wind indicator axis.
Collect the sand-collecting cylinder that husky monomer comprises vertical setting, the upper end of sand-collecting cylinder is connected with horizontally disposed sand inlet tube, and an end and the sand-collecting cylinder of sand inlet tube are affixed, and the other end of sand inlet tube is a sand inlet; The top of sand inlet tube is respectively equipped with weathervane and gas outlet; The axis of gas outlet and the axis of sand inlet tube parallel, and the endoporus of gas outlet is a taper hole; The end that the gas outlet diameter of bore is bigger is connected with the endoporus of sand inlet tube; The less end edge of gas outlet diameter of bore deviates from the direction setting of sand inlet tube sand inlet; The lower end of sand-collecting cylinder is affixed with the upper end of the rotation axis of the tubular that vertically is provided with, and the lower end of rotation axis is a sediment ejection opening; Rotation axis is arranged in the windproof scrim of tubular, and rotation axis can rotate along himself axis, and windproof scrim is connected with head rod.
The advantage of sand-taped instrument of the present invention and the good effect of generation are:
1, simple in structure, easy to operate, practical, applied widely, cost is lower.
2, reasonable in design.Build-up pressure balance between vent port and the sand-collecting cylinder after taking husky air-flow and getting into sand-taped instrument, has been subdued the pressure in the sand-collecting cylinder through exhausr port, makes the sand-collecting cylinder inside and outside differential pressure consistent, guarantees that the grains of sand are deposited in the sand-collecting cylinder, thereby collects the sedimentary loading of section really.
3, weathervane can carry out adjustment before and after the freedom according to on-the-spot wind regime, has adopted the rotation axis and the fully closed windproof scrim of duplex bearing, guaranteed sand-collecting cylinder can be for a long time, flexibly, rotate automatically.
4, adopt the drawing and pulling type base plate, made things convenient for on-site sampling, and guaranteed the true, reliable of sampling.
5, have stronger anti-blown sand erosional competency, long service life is applicable to that dust storm is big, especially the long term monitoring of high height above sea level high wind such as Gobi desert, Qinghai-Tibet Platean area dust storm motion.
Description of drawings
Fig. 1 is the structural representation of sand-taped instrument of the present invention.
Fig. 2 is the structural representation of the husky monomer of collection in the sand-taped instrument of the present invention.
Among the figure: 1. adjustable weathervane, 2. gas outlet, 3. sand inlet, 4. sand-collecting cylinder, 5. windproof scrim, 6. rotation axis, 7. sediment ejection opening, 8. head rod, 9. wind indicator, 10. anemoscope, 11. mobile jibs, 12. pedestals, 13. second connecting links, the husky monomer of 14. collection.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
The husky device of existing collection has only been considered the sedimentary loading below the 3m, can not test at this stream more than height, influences the accurate mensuration of stream; Blast in the sand-collecting cylinder and external wind pressure are uneven, influence measuring accuracy; Also exist defectives such as easy damage, sensitivity is low, capacity is less.
For solving the shortcoming that above-mentioned existing sand-taped instrument exists, it is big that novel sand-taped instrument necessarily requires that the anti-blown sand erosional competency of scope is strong, sand-collecting cylinder is adopted sand collecting amount; The dust storm motion conditions of differing heights can be observed and observed altitude can be freely adjusted; Make in sand-collecting cylinder internal gas pressure and the air-flow air pressure consistent, guarantee that instrument can accurately gather the grains of sand of different directions; Must realize for a long time that in addition the flexible automatic rotation of sand-collecting cylinder and scene get husky sample prescription just, truly grasp the characteristics of motion of dust storm all the year round of this area, the technical support of science is provided for defending and controlling sand.For this reason, the invention provides a kind of sand-taped instrument that is applicable to high wind area, Gobi desert, Qinghai-Tibet high altitude localities and common desert area.The structure of this sand-taped instrument is as shown in Figure 1, comprises base 12, and mobile jib 11 vertically is installed on the base 12, and mobile jib 11 is made up of the rod member that a plurality of head and the tail link to each other in order.At least be horizontally installed with four head rods 8 on the mobile jib 11, an end of head rod 8 is connected with mobile jib 11, but the position up-down adjustment of head rod 8 on mobile jib 11; The other end of head rod 8 is provided with the husky monomer 14 of collection; Average level is equipped with one second connecting link 13 on the mobile jib 11 of every head rod 8 tops, and the direction of the direction of this second connecting link 13 and this head rod 8 is positioned on 180 ° of directions; One end of second connecting link 13 is connected with mobile jib 11; But the position up-down adjustment of second connecting link 13 on mobile jib 11; The other end of second connecting link 13 is provided with pole; The axis of the axis of this pole and this second connecting link 13 is perpendicular, and the two ends of this pole are separately installed with wind indicator 9 and anemoscope 10, and the height of wind indicator 9 is identical with the height of anemoscope 10.
As shown in Figure 2; The structure of the husky monomer 14 of collection in the sand-taped instrument of the present invention; The sand-collecting cylinder 4 that comprises the hollow of vertical setting, the upper end of sand-collecting cylinder 4 are connected with horizontally disposed sand inlet tube 3, and an end and the sand-collecting cylinder 4 of sand inlet tube 3 are affixed; The other end of sand inlet tube 3 is a sand inlet, the axis flush of the axis of sand inlet tube 3 and wind indicator 9; The axis of the axis of sand inlet tube 3 and sand-collecting cylinder 4 is perpendicular, and the top of sand inlet tube 3 is respectively equipped with installing plate 15 and gas outlet 2; The axis of the length direction of installing plate 15 and sand inlet tube 3 parallels; Length direction along installing plate 15 is provided with a plurality of connecting holes; Installing plate 15 is connected with weathervane 1 through these a plurality of connecting holes; Through the be connected length of web joint 15 scalable weathervanes 1 with sand inlet tube 3, wind direction is designated as wedge shape, and the sand inlet of inclined-plane on it and sand inlet tube 3 is provided with in the same way.The axis of the axis of gas outlet 2 and sand inlet tube 3 parallels, and the endoporus of gas outlet 2 is a taper hole, preferred conical bore; The end that gas outlet 2 diameter of bores are bigger is connected with the endoporus of sand inlet tube 3, and the less end edge of gas outlet 2 diameter of bores deviates from the direction setting of sand inlet tube 3 sand inlets.The lower end of sand-collecting cylinder 4 is the funnel shaped bucket end, and the outlet at the bottom of this barrel is connected with the upper end of the rotation axis of tubular 6, and the lower end of rotation axis 6 is a sediment ejection opening 7, and sediment ejection opening 7 is provided with the base plate of drawing and pulling type.The endoporus of the inside of sand-collecting cylinder 4 and rotation axis 6 communicates; Rotation axis 6 is arranged in the windproof scrim 5 of tubular; And through be arranged side by side two the cover bearings be connected with windproof scrim 5; Rotation axis 6 can rotate along himself axis, and windproof scrim 5 is connected with head rod 8, and sediment ejection opening 7 is positioned at outside the windproof scrim 5.
The internal diameter of sand inlet tube 3 is 10cm～20cm.
The interference of 14 pairs distinguished and admirable of the husky monomer of collection in the measuring process; And have influence on the measuring accuracy of wind indicator 9 and anemoscope 10; Sand-taped instrument of the present invention will collect husky monomer 14 and wind indicator 9, anemoscope and be located at direction in 10 minutes and become on two connecting links of 180 °; The actual wind direction and wind velocity that makes wind direction that wind indicator 9 and anemoscope 10 record and wind speed more can represent measurement point, it is more accurate to measure.
In stream field observation; Choose suitable height mobile jib 11 according to the height of stream; The head rod 8 and second connecting link 13 of respective numbers are installed on mobile jib 11 then; Adjustment head rod 8 and the height and position of second connecting link 13 on mobile jib 11, and fixing, according to the be connected length of on-the-spot wind regime adjustment weathervane 1 with sand inlet tube 3.Wind forces weathervane 1 to drive rotation axis 6 through sand inlet tube 3 and sand-collecting cylinder 4 and rotates on the end face of weathervane 1, finally makes the inclined-plane of weathervane 1 aim at wind direction; Also just make the sand inlet of sand inlet tube 3 aim at wind direction all the time, guarantee that the sand inlet of sand inlet tube 3 faces wind direction, the air-flow that carries a large amount of grit gets into sand inlet tube 3; Because the pressure equilibrium between gas outlet 2 and the sand-collecting cylinder 4; After carrying the air-flow entering sand inlet tube 3 of grit, gas is discharged from gas outlet 2, has reduced to go up in the sand-collecting cylinder 4 speed of qi of chong channel ascending adversely stream; Simultaneously because the endoporus of gas outlet 2 is a taper hole; Avoided under gas pressure, the grains of sand in the sand-collecting cylinder 4 are taken out of, make the phenomenon that actual sand collecting amounts in the sand-collecting cylinder 4 reduce.Get into the grit natural subsidence of sweeping along in the air-flow of sand inlet tube 3 and arrive in the sand-collecting cylinder 4, avoided collecting the loss of the grains of sand.When collection finishes, pull out the base plate on the sediment ejection opening 7, the grains of sand of collection are discharged from sediment ejection opening 7.
In actual application, through the be connected length of adjusting weathervane 1, can guarantee sensitiveer, the rotation more freely of the husky monomer 14 of collection in the field observation in the open air with sand inlet tube 3, more can collect the sand amount of this height truly, accurately.
It is stifled with abrasion, the plug of the grains of sand to adopt windproof scrim 5 can avoid bearing to be exposed to the weather, and ensures that the husky monomer 14 of collection can long-term rotating freely.
At any time adjust the height of sand-collecting cylinder 4 in the sand-taped instrument of the present invention field observation of stream in the open air; Under certain wind conditions, husky monomer 14 meetings of the collection of differing heights box haul rotation flexibly automatically all the year round guarantees the accurate direction of the wind comes from of aiming at of sand inlet; The grains of sand that flow get into sand-collecting cylinder 4 through sand inlet, and air-flow is then initiatively discharged from gas outlet 2, makes the grains of sand all be deposited in the jumbo sand-collecting cylinder 4.
Claims (5)
1. high gradient layering rotary vertical sand-taped instrument; The mobile jib (11) that comprises vertical setting; It is characterized in that, be horizontally installed with four head rods (8) on the described mobile jib (11) at least, head rod (8) at mobile jib (11) but on the position up-down adjustment; Head rod (8) is provided with collection husky monomer (14); The mobile jib (11) of every head rod (8) top is gone up average level one second connecting link (13) is installed, and the direction of the direction of this second connecting link (13) and this head rod (8) is positioned on 180 ° of directions; Second connecting link (13) at mobile jib (11) but on the position up-down adjustment; Be separately installed with wind indicator (9) and anemoscope (10) on second connecting link (13), collect the position of husky monomer (14) sand inlet axis and the position flush of wind indicator (9) axis.
2. high gradient layering rotary vertical sand-taped instrument as claimed in claim 1; It is characterized in that; The husky monomer of described collection (14) comprises the sand-collecting cylinder (4) of vertical setting; The upper end of sand-collecting cylinder (4) is connected with horizontally disposed sand inlet tube (3), and an end of sand inlet tube (3) and sand-collecting cylinder (4) are affixed, and the other end of sand inlet tube (3) is a sand inlet; The top of sand inlet tube (3) is respectively equipped with weathervane (1) and gas outlet (2); The axis of the axis of gas outlet (2) and sand inlet tube (3) parallels, and the endoporus of gas outlet (2) is a taper hole; The end that gas outlet (2) diameter of bore is bigger is connected with the endoporus of sand inlet tube (3); The less end edge of gas outlet (2) diameter of bore deviates from the direction setting of sand inlet tube (3) sand inlet; The lower end of sand-collecting cylinder (4) is affixed with the upper end of the rotation axis (6) of the tubular that vertically is provided with, and the lower end of rotation axis (6) is sediment ejection opening (7); Rotation axis (6) is arranged in the windproof scrim (5) of tubular, and rotation axis (6) can rotate along himself axis, and windproof scrim (5) is connected with head rod (8).
3. high gradient layering rotary vertical sand-taped instrument as claimed in claim 2; It is characterized in that; Described sand inlet tube (3) is connected with weathervane (1) through installing plate (15); The axis of the length direction of installing plate (15) and sand inlet tube (3) parallels; Length direction along installing plate (15) is provided with a plurality of connecting holes, and installing plate (15) is connected with weathervane (1) through these a plurality of connecting holes, through the be connected length of web joint (15) scalable weathervane (1) with sand inlet tube (3).
4. like claim 2 or 3 described high gradient layering rotary vertical sand-taped instruments, it is characterized in that described weathervane (1) is a wedge shape, the sand inlet of inclined-plane on it and sand inlet tube (3) is provided with in the same way; The internal diameter of said sand inlet tube (3) is 10cm～20cm.
5. high gradient layering rotary vertical sand-taped instrument as claimed in claim 3 is characterized in that described rotation axis (6) is connected with windproof scrim (5) through duplex bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100682849A CN102589836A (en) | 2012-03-15 | 2012-03-15 | High-gradient layering rotation vertical sand sampler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100682849A CN102589836A (en) | 2012-03-15 | 2012-03-15 | High-gradient layering rotation vertical sand sampler |
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| CN102589836A true CN102589836A (en) | 2012-07-18 |
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| CN2012100682849A Pending CN102589836A (en) | 2012-03-15 | 2012-03-15 | High-gradient layering rotation vertical sand sampler |
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Cited By (4)
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| CN104280203A (en) * | 2013-07-01 | 2015-01-14 | 中国农业科学院农业资源与农业区划研究所 | Dust collecting instrument |
| CN106483322A (en) * | 2016-12-16 | 2017-03-08 | 中国科学院新疆生态与地理研究所 | A kind of road surface sand flow sediment transportation observation procedure |
| CN111337217A (en) * | 2020-03-02 | 2020-06-26 | 北京林业大学 | Electronic sand collector capable of realizing automatic measurement |
| CN116558881A (en) * | 2023-05-09 | 2023-08-08 | 中国科学院新疆生态与地理研究所 | Soil wind erosion desertification monitoring sand collecting device |
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| CN111337217A (en) * | 2020-03-02 | 2020-06-26 | 北京林业大学 | Electronic sand collector capable of realizing automatic measurement |
| CN116558881A (en) * | 2023-05-09 | 2023-08-08 | 中国科学院新疆生态与地理研究所 | Soil wind erosion desertification monitoring sand collecting device |
| CN116558881B (en) * | 2023-05-09 | 2024-02-09 | 中国科学院新疆生态与地理研究所 | Soil wind erosion desertification monitoring sand collecting device |
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Application publication date: 20120718 |