CN205785750U - Wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor - Google Patents
Wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor Download PDFInfo
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- CN205785750U CN205785750U CN201620524453.9U CN201620524453U CN205785750U CN 205785750 U CN205785750 U CN 205785750U CN 201620524453 U CN201620524453 U CN 201620524453U CN 205785750 U CN205785750 U CN 205785750U
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Abstract
The utility model discloses a kind of wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor, including adopting husky device, sand collector and motor rotary apparatus；Adopt husky device include superposition enter husky passage and with superpose the training for sediment passage coupled into husky passage；Sand collector includes casing, is provided with multiple sand collecting box around the arrangement of casing center in casing；The sand outlet of training for sediment passage is located in one of the porch of sand collecting box；Motor rotary apparatus includes motor and the controllor for step-by-step motor electrically connected with motor, and the center of casing is fixed with rotary shaft vertically, and the rotating shaft of motor is connected with described rotary shaft axle.This utility model can change the acquisition time step-length of sand collector easily by regulation controllor for step-by-step motor, thus be possible not only to the research silt discharge rule of higher precision, but also the Changing Pattern of silt discharge on different time scales, grains of sand grating etc. can be studied.
Description
Technical field
This utility model relates to the sand flow sediment transportation rate monitor that a kind of indoor wind-tunnel uses, specifically a kind of wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor, for studying under wind direction permanence condition, the nonuniform sediment sand flow sediment transportation rate rule that the various factors such as spatial variations that surface sand grade is joined, fetch length, wind speed change causes.
Background technology
Desertification is a serious environment and the socioeconomic problem of current international community facing.When studying desert and Desertification, the research of nonuniform sediment sand flow sediment transportation rate and the characteristics of motion is one of them important step.The nature earth's surface grains of sand Anywhere are all made up of the non-homogeneous particle diameter grains of sand, have certain particle diameter distribution.During the research of nonuniform sediment stream, because the different-grain diameter grains of sand are different to the response of wind speed, first the generally small particle grains of sand start because required critical incipient motion wind speed is little, and in wind field, obtain more multi-energy and then collide with earth's surface, make the grains of sand quantity of lower wind direction difference fetch extension position participation wind-driven sediment and particle diameter composition persistently change until reaching the stabilization sub stage.But, wind speed under natural conditions, grains of sand earth surface length, surface sand grade join the change in time and space of spatial distribution etc. all can make sand flow sediment transportation rate and sand particle size distribution persistently change.In indoor wind-tunnel during the research of nonuniform sediment stream, wind speed direction is that axis direction does not changes, and surface sand grade joins the most not Existential Space change, therefore it may only be necessary to consider wind speed size and the impact of fetch length.But current existing wind-tunnel with and field sand flow sediment transportation rate sand-taped instrument or monitor all the unidirectional grains of sand can only be collected together, it is impossible to distinguish on same direction because of wind speed, surface sand grade are joined, the factor such as fetch length causes silt discharge, the Time Change of grains of sand grating.This brings difficulty to accurate quantitative analysis research stream rule.
Utility model content
The purpose of this utility model is to overcome above-mentioned problems of the prior art, it is provided that a kind of wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor, it is provided that a kind of subduing the wind syndrome nonuniform sediment sand flow sediment transportation rate monitor under the conditions of becoming wind speed and becoming fetch length.
This utility model provides a kind of wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor, including adopting husky device, sand collector and motor rotary apparatus；Described adopt husky device include superposition enter husky passage and with superpose the training for sediment passage coupled into husky passage；Described sand collector includes casing, is provided with multiple sand collecting box around the arrangement of casing center in described casing；The sand outlet of described training for sediment passage is located in one of the porch of sand collecting box；Described motor rotary apparatus includes motor and the controllor for step-by-step motor electrically connected with motor, and the center of described casing is fixed with rotary shaft vertically, and the rotating shaft of described motor is connected with described rotary shaft axle.
It is preferred that described casing is the cylindrical cavity removing upper end end face, in this cylindrical cavity, it is provided with multiple bracing frame for supporting sand collecting box arranged around its centrage.
It is preferred that husky passage is entered in described superposition includes that one group is generally aligned in the same plane interior multiple horizontally disposed tubulose side by side and enters husky passage.
It is preferred that described training for sediment passage includes that is generally aligned in the same plane the interior multiple tubulose training for sediment passages being obliquely installed side by side；Plurality of tubulose training for sediment passage and multiple tubulose enter one_to_one corresponding between husky passage, and weld together.
It is preferred that the inclination angle of described tubulose training for sediment passage is 50 °.
It is preferred that described casing is fixing on the rotary shaft by retainer ring.
It is preferred that described motor is bolted on base.
Have that stretches into sand collecting box to go out sandspit it is preferred that connect on the sand outlet of described tubulose training for sediment passage, described in go out sandspit be gum sleeve.
Entering described in it is preferred that and be welded with aerofluxus net in husky channel end two side walls, described aerofluxus net is double-deck 60 eye mesh screens.
Adopting described in it is preferred that and be separated with fixed plate between husky device and sand collector, described fixed plate offers notch, described training for sediment passage passes from notch, and training for sediment passage is bolted with fixed plate.
Advantage of the present utility model is:
1, this utility model uses motor to drive sand collector rotary motion, it is possible not only to accurately rotate location, the acquisition time step-length of sand collector can also be changed easily by regulation controllor for step-by-step motor, thus be possible not only to the research silt discharge rule of higher precision, but also the Changing Pattern of silt discharge on different time scales, grains of sand grating etc. can be studied.
2, sand collecting cavity capacity of the present utility model is bigger, and the trapezoidal open area of sand collecting cavity increases the most successively, i.e. volume increases, and this order is consistent with silt discharge in height production decline law, under conditions of can ensureing that the overall volume of sand collector is little, the accurate collection of the grains of sand material of all height and positions.
3, this utility model simple in construction, it is simple to installation and removal.The sand collecting box of collection device is made up of sand collecting cavity, and all sand collecting box and sand collecting cavity can separate, consequently facilitating the collection of the grains of sand and analysis in sand collecting cavity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is fixed plate schematic diagram of the present utility model；
Fig. 3 is this utility model casing schematic diagram；
Fig. 4 is sand collecting box schematic diagram of the present utility model.
Description of reference numerals:
1. enter husky passage, 2. aerofluxus net, 3. training for sediment passage, 4. fixed plate, 5. go out sandspit, 6. sand collecting box, 7. casing, 8. bracing frame, 9. rotary shaft, 10. retainer ring, 11. fixing holes, 12. grooves, 13. motors, 14. controllor for step-by-step motor, 15. connecting lines, 16. bases.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not limited by detailed description of the invention.
As it is shown in figure 1, this utility model provides a kind of wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor, it is characterised in that include adopting husky device, sand collector and motor rotary apparatus；Described adopt husky device include superposition enter husky passage 1 and with superpose the training for sediment passage 3 coupled into husky passage 1；Described sand collector includes casing 7, is provided with multiple sand collecting box 6 around the arrangement of casing 7 center in described casing 7；The sand outlet of described training for sediment passage 3 is located in one of the porch of sand collecting box 6；Described motor rotary apparatus includes motor 13 and the controllor for step-by-step motor 14 electrically connected with motor 13, and both connect with connecting line 15；The center of described casing 7 is fixed with rotary shaft 9 vertically, and the rotating shaft of described motor 13 is connected with described rotary shaft 9 axle.
Further, described casing 7 is the cylindrical cavity removing upper end end face, is provided with multiple bracing frame 8 for supporting sand collecting box 6 arranged around its centrage in this cylindrical cavity.Bracing frame 8 is welded on casing 7, and sand collecting box 6 includes that sand collecting cavity, sand collecting box 6 are suspended on bracing frame 8.Fig. 4 is sand collecting box schematic diagram.
Further, described superposition is entered husky passage 1 and is included that one group is generally aligned in the same plane interior multiple horizontally disposed tubulose side by side and enters husky passage.
Further, described training for sediment passage 3 includes that is generally aligned in the same plane the interior multiple tubulose training for sediment passages being obliquely installed side by side；Plurality of tubulose training for sediment passage and multiple tubulose enter one_to_one corresponding between husky passage, and weld together.
Further, the inclination angle of described tubulose training for sediment passage is 50 °.
Further, described casing 7 is fixed in rotary shaft 9 by retainer ring 10.
Further, described motor 13 is bolted on base 16.
Further, the sand outlet of described tubulose training for sediment passage connects and has that stretches into sand collecting box 6 to go out sandspit 5, described in go out sandspit 5 for gum sleeve.
Further, described in enter and be welded with aerofluxus net 2 in husky passage 1 end two side walls, described aerofluxus net 2 is double-deck 60 eye mesh screens.
Further, described in adopt and be separated with fixed plate 4 between husky device and sand collector, described fixed plate 4 offers notch 12, described training for sediment passage 3 passes from notch 12, and training for sediment passage 3 is bolted with fixed plate 4.Fig. 2 is fixed plate structure schematic diagram.
When this utility model is installed in wind-tunnel, it is necessary first to offer a notch on wind-tunnel measurements section base plate (fixed plate), the husky device of adopting fixed is inserted by this notch.Sand collector and motor rotary apparatus insert the sand collecting cavity of sand collecting box 6 and position and fix by going out sandspit 5.When wind-tunnel is measured, by changing controllor for step-by-step motor parameter, make sand collector rotate fixed angle under the drive of motor to next sand collecting box position, when rotating to last sand collecting box or measurement is over, close the stopping measurement of wind-tunnel power supply.The sand collecting cavity on all sand collecting box and sand collecting box can be easily removed, for measuring analysis silt discharge and transporting Changing Pattern in the time scale of sand particle size distribution after the grains of sand are collected in sand collecting cavity after taking off sand collector.Sand collecting cavity loads sand collecting box, is again coupled to fix with motor, i.e. can start next round measurement work after reinstalling bracing frame.Motor can change the acquisition time step-length of sand collector easily by regulation controllor for step-by-step motor.
In sum, this utility model is a kind of indoor wind-tunnel nonuniform sediment sand flow sediment transportation rate monitoring instrument, and this instrument is that sand collector, motor rotary apparatus and the base adopting below husky device and fixed plate forms by husky device of adopting more than fixed plate (wind-tunnel base plate).Adopt husky device entered husky passage 1, aerofluxus net 2, training for sediment passage 3 by superposition and go out sandspit 5 and form, enter husky passage 1 and training for sediment passage 3 welds with 130 ° of angles, aerofluxus net (2) is double-deck 60 eye mesh screens, and be welded in husky passage 1 end two side walls, adopt husky device to insert notch (12) and afterwards and use bolt will adopt husky device to pass through fixing hole 11 and be arranged in fixed plate 4, going out sandspit and use gum sleeve, the diameter of this gum sleeve is slightly less than the bore of lower section sand collecting cavity.Advantage of the present utility model is: 1, this utility model uses motor to drive sand collector rotary motion, it is possible not only to accurately rotate location, the acquisition time step-length of sand collector can also be changed easily by regulation controllor for step-by-step motor, thus be possible not only to the research silt discharge rule of higher precision, but also the Changing Pattern of silt discharge on different time scales, grains of sand grating etc. can be studied.2, sand collecting cavity capacity of the present utility model is bigger, and the trapezoidal open area of sand collecting cavity increases the most successively, i.e. volume increases, and this order is consistent with silt discharge in height production decline law, under conditions of can ensureing that the overall volume of sand collector is little, the accurate collection of the grains of sand material of all height and positions.3, this utility model simple in construction, it is simple to installation and removal.The sand collecting box of collection device is made up of sand collecting cavity, and all sand collecting box and sand collecting cavity can separate, consequently facilitating the collection of the grains of sand and analysis in sand collecting cavity.
Only several specific embodiments of the present utility model disclosed above, but, this utility model embodiment is not limited to this, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (10)
1. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor, it is characterised in that include adopting husky device, sand collector and motor rotary apparatus；Described adopt husky device include superposition enter husky passage (1) and with superpose the training for sediment passage (3) coupled into husky passage (1)；Described sand collector includes casing (7), is provided with multiple sand collecting box (6) around the arrangement of casing (7) center in described casing (7)；The sand outlet of described training for sediment passage (3) is located in one of the porch of sand collecting box (6)；Described motor rotary apparatus includes motor (13) and the controllor for step-by-step motor (14) electrically connected with motor (13), the center of described casing (7) is fixed with rotary shaft (9) vertically, and the rotating shaft of described motor (13) is connected with described rotary shaft (9) axle.
2. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 1, it is characterized in that, described casing (7) is the cylindrical cavity removing upper end end face, is provided with multiple bracing frame (8) for supporting sand collecting box (6) arranged around its centrage in this cylindrical cavity.
3. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 1, it is characterised in that described superposition is entered husky passage (1) and included that a group is generally aligned in the same plane interior multiple horizontally disposed tubulose side by side and enters husky passage.
4. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 3, it is characterised in that described training for sediment passage (3) includes that is generally aligned in the same plane the interior multiple tubulose training for sediment passages being obliquely installed side by side；Plurality of tubulose training for sediment passage and multiple tubulose enter one_to_one corresponding between husky passage, and weld together.
5. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 4, it is characterised in that the inclination angle of described tubulose training for sediment passage is 50 °.
6. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 1, it is characterised in that described casing (7) is fixed in rotary shaft (9) by retainer ring (10).
7. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 1, it is characterised in that described motor (13) is bolted on base (16).
8. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 4, it is characterized in that, connect on the sand outlet of described tubulose training for sediment passage and have that stretches into sand collecting box (6) to go out sandspit (5), described in go out sandspit (5) be gum sleeve.
9. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 1, it is characterized in that, described entering to be welded with aerofluxus net (2) in husky passage (1) end two side walls, described aerofluxus net (2) is double-deck 60 eye mesh screens.
10. wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor as claimed in claim 1, it is characterized in that, described adopting is separated with fixed plate (4) between husky device and sand collector, notch (12) is offered in described fixed plate (4), described training for sediment passage (3) passes from notch (12), and training for sediment passage (3) is bolted with fixed plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620524453.9U CN205785750U (en) | 2016-05-27 | 2016-05-27 | Wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620524453.9U CN205785750U (en) | 2016-05-27 | 2016-05-27 | Wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor |
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| Publication Number | Publication Date |
|---|---|
| CN205785750U true CN205785750U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620524453.9U Expired - Fee Related CN205785750U (en) | 2016-05-27 | 2016-05-27 | Wind-tunnel nonuniform sediment sand flow sediment transportation rate monitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020396A (en) * | 2017-12-29 | 2018-05-11 | 北京航天测控技术有限公司 | A kind of intelligent monitoring device and system suitable for wind-tunnel measurements system |
| CN110031182A (en) * | 2019-05-21 | 2019-07-19 | 中国汽车工程研究院股份有限公司 | A kind of device and method generating velocity gradient flow field |
-
2016
- 2016-05-27 CN CN201620524453.9U patent/CN205785750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020396A (en) * | 2017-12-29 | 2018-05-11 | 北京航天测控技术有限公司 | A kind of intelligent monitoring device and system suitable for wind-tunnel measurements system |
| CN108020396B (en) * | 2017-12-29 | 2019-08-20 | 北京航天测控技术有限公司 | A kind of intelligent monitoring device and system suitable for wind-tunnel measurements system |
| CN110031182A (en) * | 2019-05-21 | 2019-07-19 | 中国汽车工程研究院股份有限公司 | A kind of device and method generating velocity gradient flow field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |