CN207487931U - A kind of controllable individual particle grains of sand transmitter of pneumatic type - Google Patents
A kind of controllable individual particle grains of sand transmitter of pneumatic type Download PDFInfo
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- CN207487931U CN207487931U CN201721627776.1U CN201721627776U CN207487931U CN 207487931 U CN207487931 U CN 207487931U CN 201721627776 U CN201721627776 U CN 201721627776U CN 207487931 U CN207487931 U CN 207487931U
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- sand
- grains
- flow
- accelerating tube
- air
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Abstract
The utility model discloses a kind of controllable individual particle grains of sand transmitters of pneumatic type, including speed change centrifugal blower, single grains of sand supply, accelerating tube, tuning piece, transmitting outlet and shell, speed change centrifugal blower has a cylinder to wrap and connects accelerating tube, grains of sand supply, the end sending and receiving exit wound of bullet of accelerating tube are connected in accelerating tube forepart;The grains of sand are emitted by entering accelerating tube after air-flow accelerates for husky device by emitting exit;The direction for adjusting the grains of sand and emitting is moved up and down by the tuning piece for emitting exit.The controllable individual particle transmitter of the utility model pneumatic type, the grains of sand by supply enter accelerating tube it is accelerated after have transmitting exit emit.It is adjusted the flow velocity of air-flow by adjustable speed flabellum propeller and then is adjusted the emission rate of the grains of sand, the tuning piece exported by transmitting, which moves up and down, adjusts the direction of grains of sand transmitting.The utility model principle is succinctly easy to operate, can be worked normally in laboratory and field.
Description
Technical field
The utility model is related to a kind of controllable individual particle grains of sand emitters of pneumatic type, belong to field of mechanical technique.
Background technology
Influence caused by wind-driven sediment it is ubiquitous, caused by consequence have become world's great environmental problem it
One, sand incipience be divided into it is compacted move, saltation and suspended, wherein saltation is mostly important and generates biggest impact to sandstorm
On one side, people are done in relation to particle at present --- and the experiment of most of experimental study of bed surface collision all employs grain size bigger
The materials such as alternative materials such as bead, due to density of material, the difference of shape and size causes experiment really to be touched with nature
It hits or has very big difference, the reliable experiment result degree that this allows for final gained is not just high.Therefore particle and bed surface touch
The research hit just needs to use nature grains of sand particle emission device, and existing in relation to particle --- in the experiment of bed surface collision,
The grain sizes of the grains of sand is tiny, the characteristics such as irregular lead to the research needs of single difficult to realize natural grains of sand transmitting, and related hair
Injection device can not realize the transmitting of single grains of sand, and operated during use it is very inconvenient, so, be now badly in need of it is a kind of easy to operate and
The angle of grains of sand projection, single grains of sand emitter of speed can be controlled.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of controllable individual particle grains of sand transmitter of pneumatic type, including
Speed change centrifugal blower, single grains of sand supply, accelerating tube, tuning piece, transmitting outlet and shell, wherein, speed change centrifugal blower
There is a cylinder to wrap and connect accelerating tube, grains of sand supply, the end sending and receiving exit wound of bullet of accelerating tube are connected in accelerating tube forepart;
The grains of sand are emitted by entering accelerating tube after air-flow accelerates for husky device by emitting exit;By the tuning piece for emitting exit
To move up and down the direction for adjusting grains of sand transmitting.
Preferably, the grains of sand supply include storage sand at, turntable, turning knob, shaft, hollow cylinder, described turn
Disk is set there are two radial symmetric circular hole, and the circular hole is through-hole, and the diameter in hole is more than the grains of sand diameter that grains of sand diameter is less than twice,
The turntable is disc, and side is located above storage Sha Chu bottoms, and opposite side is located inside hollow cylinder, the hollow circuit cylinder
Body is the vertical cylindrical shape that opening is located below, and turntable is driven to rotate by turning knob by shaft, the turntable and Chu Sha
Locate bottom to be in close contact, when disk rotational, one grains of sand enters circular hole and as disk rotational is into the hollow inside of cylinder.
Preferably, the transmitting outlet includes tuning piece, two air-flow diverging horn mouths, fixed link and gauze piece, described
Tuning piece is located at outlet tube side part, and can move up and down the launch party for adjusting transmitting export direction and then adjusting transmitting particle
To, air-flow diverging horn mouth to be tubaeform positioned at the end of outlet, for dissipating the air-flow in exit to weaken air-flow to sand
The influence of bed surface that grain will impact, fixed link, which is located on the outside of air-flow diverging horn mouth, to be used for fixing two horn mouths, while not
Air-flow can be hindered to flow out, second horn mouth, which is located among first horn mouth outside, is separated with gas channel, in second loudspeaker
Mouth outside port is equipped with a gauze piece and weakens air-flow into second bell-mouthed flow, institute for increasing the resistance of air-flow outflow
Gauze piece center is stated equipped with circular hole, to ensure that the grains of sand can be come out with normal transmission.
Preferably, the accelerating tube forepart is equipped with for husky device interface, and the individual particle grains of sand supply is connected to for husky device
Interface.
Preferably, speed change centrifugal blower is adjustable speed propeller fan.
The accelerating tube rear end is equipped with transmitting discharge coupling, the transmitting discharge coupling connection transmitting outlet.
The utility model provides a kind of controllable individual particle transmitter of pneumatic type, and speed change centrifugal blower has a cylinder to wrap
And accelerating tube is connected, junction connects grains of sand supply, the end sending and receiving exit wound of bullet of accelerating tube.The grains of sand enter acceleration by supply
Manage it is accelerated after have transmitting exit emit.It is adjusted the flow velocity of air-flow by adjustable speed flabellum propeller and then is adjusted the grains of sand
Emission rate, the tuning piece exported by transmitting move up and down adjust the grains of sand transmitting direction.The utility model is former
Reason is succinct easy to operate, can be worked normally in laboratory and field.
Description of the drawings
It further illustrates with reference to the accompanying drawings and detailed description:
Fig. 1 is the main structure chart of the controllable individual particle grains of sand transmitter of pneumatic type of the utility model embodiment.
Fig. 2 is the structure diagram of the single grains of sand supply of the utility model embodiment.
Fig. 3 is the structure diagram of the transmitting outlet of the utility model embodiment.
Fig. 4 is the structure diagram of the gauze piece of the utility model embodiment.
Specific embodiment
As shown in Figs 1-4, the utility model provides a kind of controllable single grains of sand transmitter of pneumatic type, is centrifuged including speed change
Wind turbine 1, single grains of sand supply, accelerating tube 3, tuning piece 31, transmitting outlet 4 and shell.
Wherein, speed change centrifugal blower has a cylinder to wrap and connects accelerating tube, in accelerating tube forepart connection grains of sand supply
Device, the end sending and receiving exit wound of bullet of accelerating tube.The grains of sand for husky device by entering accelerating tube after air-flow accelerates by emitting exit hair
It shoots out.It is adjusted the flow velocity of air-flow by speed change centrifugal blower and then is adjusted the emission rate of the grains of sand, the tune exported out by transmitting
The direction for adjusting the grains of sand and emitting is moved up and down to piece.
Speed change centrifugal blower 1 is adjustable speed propeller, and the air-flow for providing different wind speed provides power for sand incipience,
Enter the grains of sand for husky device interface 2 connection grains of sand supply, accelerating tube 3 can be such that the grains of sand accelerate wherein, and transmitting discharge coupling 4 connects
Sending and receiving exit wound of bullet makes the grains of sand after acceleration finally launch from exit.
The grains of sand supply includes 21, turntable 22, turning knob 24, shaft 25, hollow cylinder, the leftmost side at storage sand
It is the husky place 21 of storage, the turntable 22 is disc, if there are two radial symmetric circular hole 23, the circular hole is through-hole, the diameter D in hole
Grains of sand diameter more than one times is less than twice of grains of sand diameter, and to ensure that a grains of sand can enter, D can be according to being emitted
The diameter of the grains of sand sets several groups, and 22 side of turntable is located at storage sand above 21 bottoms, and opposite side is located at hollow cylinder
Inside, the hollow cylinder are the vertical cylindrical shape that opening is located below, and turntable 22 passes through 25 band of shaft by turning knob 24
Dynamic and rotate, bottom close contact at the turntable and Chu Sha, when disk rotational, one grains of sand enters circular hole 23 and with circle
Disk rotates the hollow inside 26 into cylinder, is accelerated since gravity falls into accelerating tube 3.
Tuning piece 31 can move up and down the direction of the launch for adjusting transmitting export direction and then adjusting transmitting particle, tuning
Piece can be a card, pass through the direction for the changeable outlet that moves up and down;Air-flow diverging horn mouth 22 is used for dissipating outlet
The air-flow at place is to weaken the influence for the bed surface that air-flow will impact the grains of sand, and fixed link 23 is used for fixing two horn mouths, simultaneously
Air-flow will not be hindered to flow out, second horn mouth 22 plus a gauze piece 24 be used for increasing air-flow outflow resistance weaken air-flow into
Enter the flow of second horn mouth 22, the gauze piece 24 can be gauze screen, and in-between circular hole is ensureing that the grains of sand can be just
Often emit.
Finally it should be noted that:The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of controllable individual particle grains of sand transmitter of pneumatic type, which is characterized in that including speed change centrifugal blower, single grains of sand supply
Device, accelerating tube, tuning piece, transmitting outlet and shell, wherein, speed change centrifugal blower has a cylinder to wrap and connects acceleration
Pipe connects grains of sand supply, the end sending and receiving exit wound of bullet of accelerating tube in accelerating tube forepart;The grains of sand for husky device by entering accelerating tube
It is emitted after air-flow accelerates by emitting exit;By the tuning piece for emitting exit grains of sand transmitting is adjusted to move up and down
Direction.
2. the controllable individual particle grains of sand transmitter of pneumatic type according to claim 1, which is characterized in that the grains of sand supply
Including the husky place of storage, turntable, turning knob, shaft, hollow cylinder, the turntable set there are two radial symmetric circular hole, the circle
Hole is through-hole, and the diameter in hole is more than the grains of sand diameter that grains of sand diameter is less than twice, and the turntable is disc, and it is husky that side is located at storage
To locate above bottom, opposite side is located inside hollow cylinder, and the hollow cylinder is the vertical cylindrical shape that opening is located below,
Turntable by turning knob by shaft drive rotate, the turntable and Chu Sha place bottom close contact, when disk rotational one
The grains of sand enter circular hole and as disk rotational are into the hollow inside of cylinder.
3. the controllable individual particle grains of sand transmitter of pneumatic type according to claim 1, which is characterized in that transmitting outlet packet
Tuning piece, two air-flow diverging horn mouths, fixed link and gauze piece, the tuning piece is included to be located at outlet tube side part, bottom left can be gone up
The direction of the launch for adjusting transmitting export direction and then adjusting transmitting particle is moved right, air-flow diverging horn mouth is located to be tubaeform
The end of mouthful pipe, for dissipating the air-flow in exit to weaken the influence for the bed surface that air-flow will impact the grains of sand, fixed link position
It is used for fixing two horn mouths, while air-flow will not be hindered to flow out on the outside of air-flow diverging horn mouth, second horn mouth is located at
It is intermediate outside first horn mouth to be separated with gas channel, it is equipped with a gauze piece in second horn mouth outside port and is used for increasing gas
The resistance of stream outflow weakens air-flow and enters second bell-mouthed flow, and the gauze piece center is equipped with circular hole, to ensure sand
Grain can be come out with normal transmission.
4. the controllable individual particle grains of sand transmitter of pneumatic type according to claim 1, which is characterized in that the accelerating tube forepart
Equipped with for husky device interface, the individual particle grains of sand supply is connected to for husky device interface.
5. the controllable individual particle grains of sand transmitter of pneumatic type according to claim 1, which is characterized in that speed change centrifugal blower is
Adjustable speed propeller fan.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721627776.1U CN207487931U (en) | 2017-11-29 | 2017-11-29 | A kind of controllable individual particle grains of sand transmitter of pneumatic type |
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CN201721627776.1U CN207487931U (en) | 2017-11-29 | 2017-11-29 | A kind of controllable individual particle grains of sand transmitter of pneumatic type |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107894321A (en) * | 2017-11-29 | 2018-04-10 | 兰州大学 | A kind of controllable individual particle grains of sand transmitter of pneumatic type |
CN110208149A (en) * | 2019-04-28 | 2019-09-06 | 南京航空航天大学 | The accurate controllable sand grains delivery device in a kind of sand grains speed and direction |
CN114323537A (en) * | 2022-01-06 | 2022-04-12 | 东北农业大学 | Flow control system and method for wind turbine dust and sand experiment |
-
2017
- 2017-11-29 CN CN201721627776.1U patent/CN207487931U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107894321A (en) * | 2017-11-29 | 2018-04-10 | 兰州大学 | A kind of controllable individual particle grains of sand transmitter of pneumatic type |
CN110208149A (en) * | 2019-04-28 | 2019-09-06 | 南京航空航天大学 | The accurate controllable sand grains delivery device in a kind of sand grains speed and direction |
CN114323537A (en) * | 2022-01-06 | 2022-04-12 | 东北农业大学 | Flow control system and method for wind turbine dust and sand experiment |
CN114323537B (en) * | 2022-01-06 | 2024-04-02 | 东北农业大学 | Wind turbine sand and dust experiment flow control system and method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20181129 |
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CF01 | Termination of patent right due to non-payment of annual fee |