CN108760390A - A kind of monthly quota of food grain for an individual sampling sharp-pointed tube - Google Patents
A kind of monthly quota of food grain for an individual sampling sharp-pointed tube Download PDFInfo
- Publication number
- CN108760390A CN108760390A CN201810641740.1A CN201810641740A CN108760390A CN 108760390 A CN108760390 A CN 108760390A CN 201810641740 A CN201810641740 A CN 201810641740A CN 108760390 A CN108760390 A CN 108760390A
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- sample
- setting
- sampling
- negative pressure
- food grain
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention discloses a kind of monthly quota of food grain for an individual sampling sharp-pointed tube, including body, negative pressure device is provided on body, sample collecting chamber, reduction device and sampling mechanism, the negative pressure device is connected on sample collecting chamber and for making to generate negative pressure in sample collecting chamber, the injection port for being connect with piece-like tube has been opened up on the wall surface of the sample collecting chamber, setting-out mouth is arranged in the bottom of the sample collecting chamber, setting-out switching mechanism is provided on setting-out mouth, and the setting-out mouth is connected to reduction device, the outlet of reduction device is connected to sampling mechanism, the sampling mechanism includes for receiving the sampling peck of sample and carrying the meausring apparatus of sampling peck.Monthly quota of food grain for an individual sampling sharp-pointed tube of the present invention carries out sample by the way of negative pressure absorbing, and the sample that skewer takes weighs in real time by reduction device division in proportion, by meausring apparatus, accurately controls every layer of grain sampling amount, ensures the representativeness of samples taken.
Description
Technical field
The present invention relates to sampling sharp-pointed tube technical field more particularly to a kind of monthly quota of food grain for an individual sampling sharp-pointed tubes.
Background technology
Grain in bulk, oil plant, set up an office according to heap shape and size subregion, and sample is layered by grain bulk height, step and
Method is as follows, and subregion sets up an office：It is no more than 50m per area's area2, each area sets center, the point of quadrangle five.Area's number two and two with
On, two points on two regional boundary lines are shared point (areas Liang Ge totally eight points, three areas totally ten one points, and so on), grain
The point at heap edge is located at away from edge about 50cm；Layering：Heap height is below in 2m, divides upper and lower two layers；Heap height divides in 2~3m
Upper, middle and lower-ranking, upper layer is under grain face at 10~20cm, and middle level is among grain heap, and lower layer is at away from bottom 20cm, such as heap
Height should divide four layers in 3~5m；Heap height takes the circumstances into consideration the increase number of plies 5m's or more；Sample：Point, first up and then down successively skewer are pressed by area
Sample, each point sample quantity are consistent.Current sampling sharp-pointed tube is in operation, after every layer of grain sampling amount is difficult to accurately control, and skewer takes
Submitted sample is collected by rule of thumb, does not meet layering sample principle, influences submitted sample representativeness.
Invention content
The technical problems to be solved by the invention and the technical assignment of proposition are improved to the prior art, and one kind is provided
Monthly quota of food grain for an individual sampling sharp-pointed tube solves the sampling sharp-pointed tube in current technology and is difficult to accurately control sample amount, it is representative to influence submitted sample
Problem.
In order to solve the above technical problems, the technical scheme is that：
A kind of monthly quota of food grain for an individual sampling sharp-pointed tube, including body are provided with negative pressure device, sample collecting chamber, reduction device on body and take
Model machine structure, the negative pressure device are connected on sample collecting chamber and for making to generate negative pressure, the wall of the sample collecting chamber in sample collecting chamber
The injection port for being connect with piece-like tube is opened up on face, the bottom of the sample collecting chamber is arranged setting-out mouth, is arranged on setting-out mouth
There is setting-out switching mechanism, and the setting-out mouth is connected to reduction device, the outlet of reduction device is connected to sampling mechanism, institute
The sampling mechanism stated includes for receiving the sampling peck of sample and carrying the meausring apparatus of sampling peck.Grain of the present invention is fixed
Amount sampling sharp-pointed tube carries out sample by the way of negative pressure absorbing, and effectively by sample, skewer takes out from grain heap, the sample that skewer takes
It first concentrates in sample collecting chamber, then by reduction device division in proportion, the sample of sample is finally divided to be collected again by sampling peck, and
It is weighed in real time by meausring apparatus, accurately controls sampling amount, it is final to realize that the every layer of grain sampling amount that accurately control, guarantee are sampled
The representativeness of product.
Further, the lower part of the sample collecting chamber is in up big and down small taper, and setting-out mouth is arranged at the vertex of a cone, taper tool
There is the effect of collecting so that the sample in sample collecting chamber can all be discharged from setting-out mouth along pyramidal structure, avoid sample carryover
It is mixed into sample collecting chamber in the sample of next sample, influences the validity of testing result.
Further, the setting-out switching mechanism includes sealing element, and the sealing element is movably connected in setting-out mouth
Lower section, when negative pressure device works, sealing element is sealed since negative pressure is pull-in on setting-out mouth, simple in structure, is drawing sample
When setting-out mouth is closed so that sample collecting chamber interior energy effectively forms negative pressure, to which grain samples just can be reliably along sample
Pipe is drawn into from injection port in sample collecting chamber, mitigates the load of negative pressure device, it is ensured that piece-like tube wind concentration is conducive to grain
Sample sucks piece-like tube, improves sample speed and depth selection.
Further, the setting-out switching mechanism further includes keeping rope, and the sealing element is by keeping rope hanging to exist
The lower section of setting-out mouth, simple in structure, convenient for installation and maintenance, when negative pressure device does not work, sealing element is detached from downwards due to conducting oneself with dignity
For setting-out mouth so that setting-out mouth is opened, skewer takes the grain samples into sample collecting chamber to fall on reduction device progress under setting-out mouth
Divide sample, sealing element is ready in the lower section for being kept for the under the action of of restricting remain attached to setting-out mouth for the absorption of sample next time, close
Sealing can be sealed easily when negative pressure device works since negative pressure is pull-in on setting-out mouth.
Further, the sealing element is in up-small and down-big taper, is reduced when grain samples fall from setting-out mouth to close
Sealing washes away, and extends the service life of sealing element, ensures that sealing element can reliably seal setting-out mouth when sample is drawn, and ensure
Injection port has enough negative-pressure suckings, and pyramidal structure can also play the role of water conservancy diversion so that the sample to fall from setting-out mouth
Product are circumferentially evenly dispersed.
Further, the reduction device is that annular divides sample lattice, simple in structure, compact, easy to use, ensure that division
Accuracy and stability.
Further, it is additionally provided on the body and loses sample mouth, the exit of reduction device is provided with reduction device
Outlet with lose sample mouth, sampling mechanism selects the channel selecting component that one is connected, in sample, channel selecting component is first in leading
The state of logical sampling mechanism, sampling amount reach need when, channel selecting switch between components to conducting lose sample mouth, to remaining grain
Food facilitates the sample operation carried out next time from the outflow of sample mouth is lost.
Further, the channel selecting component includes three-way pipe, and the port of three-way pipe goes out with reduction device respectively
Mouthful, lose sample mouth and connected with sampling mechanism, returning face plate is hinged in the three-way pipe, returning face plate turns to closed communication and loses sample mouth
Port or turn to the port of closed communication sampling mechanism, it is simple in structure, conducting is flexibly controlled by the rotation of returning face plate
Direction, sampling amount reach need when by remaining sample by lose sample mouth discharge.
Further, be additionally provided with dust hood between the negative pressure device and sample collecting chamber, prevent miscellaneous dirt in sample into
Enter to negative pressure device, ensures the service life of negative pressure device.
Further, the bottom of the body is additionally provided with castor, is moved easily.
Compared with prior art, the invention has the advantages that：
Monthly quota of food grain for an individual sampling sharp-pointed tube of the present invention carries out sample by the way of negative pressure absorbing, and the sample that skewer takes passes through
Reduction device division in proportion is weighed in real time by meausring apparatus, is accurately controlled every layer of grain sampling amount, is ensured samples taken
It is representative；
Monthly quota of food grain for an individual sampling sharp-pointed tube of the present invention is simple in structure, easy to use, air-flow is unimpeded, air-tightness is good, is suitable for
The sample of the grain of deep layer silo storage in bulk.
Description of the drawings
Fig. 1 is the structural schematic diagram of monthly quota of food grain for an individual sampling sharp-pointed tube；
Fig. 2 is the structural schematic diagram of setting-out switching mechanism；
Fig. 3 is the structural schematic diagram of channel selecting component.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of monthly quota of food grain for an individual sampling sharp-pointed tube disclosed by the embodiments of the present invention carries out a point sample to the grain samples of sample, accurate to control
The sample amount of every layer of grain is made, it is representative to improve submitted sample.
As shown in Figure 1 to Figure 3, a kind of monthly quota of food grain for an individual sampling sharp-pointed tube, including body 1 are provided with negative pressure device 2, collection on body 1
The bottom of specimen chamber 3, reduction device 4 and sampling mechanism 5, body 1 is additionally provided with castor 9, and negative pressure device 2 is connected to sample collecting chamber 3
Top is additionally provided with dust hood 21 between negative pressure device 2 and sample collecting chamber 3, open up and be used for and skewer on the side wall of the sample collecting chamber 3
Setting-out mouth 32 is arranged in the bottom of the injection port 31 of sample pipe connection, the sample collecting chamber 3, is provided on setting-out mouth 32 and is put for being opened and closed
The setting-out switching mechanism 6 of sample mouth 32, when negative pressure device 2 works, setting-out switching mechanism 6 closes setting-out mouth 32, and negative pressure device 2 makes
It obtains and generates negative pressure in sample collecting chamber 3, grain samples are drawn into from injection port 31 in sample collecting chamber 3 along piece-like tube；Under setting-out mouth 32
Side's setting reduction device 4, after the completion of skewer takes sample operation, negative pressure device 2 is stopped, and the opening of setting-out switching mechanism 6 is put
Sample mouth 32, the grain samples in sample collecting chamber 3 fall on reduction device 4 under setting-out mouth 32 and carry out division in proportion, and guarantee is sampled
The outlet of the representativeness of product, reduction device 4 is connected to sampling mechanism 5, sampling mechanism 5 include sampling peck for receiving sample
51 and carrying sampling peck 51 meausring apparatus 52, weigh the weight of grain samples being collected into sampling peck 51 in real time, realize essence
Every layer of grain sampling amount is really controlled, ensures the representativeness of samples taken.
In the present embodiment, the lower part of sample collecting chamber 3 is in up big and down small taper, and setting-out mouth 32 is arranged at the vertex of a cone so that
Sample in sample collecting chamber can all be discharged from setting-out mouth along pyramidal structure, and sample carryover is avoided to be mixed into sample next time
In sample.
The setting-out switching mechanism 6 being arranged on setting-out mouth 32 includes mainly sealing element 61, and 61 activity of sealing element is even
It is connected on the lower section of setting-out mouth 32, rubber slab can be used in sealing element 61, and the side of rubber slab is hinged on 32 edge of setting-out mouth, in negative pressure
Device 2 is sealed when working since negative pressure rubber slab is pull-in on setting-out mouth 32, and when negative pressure device 2 is stopped, by
In gravity, rubber slab, which stirs downwards, opens setting-out mouth 32；Or up-small and down-big pyramidal structure also can be used in sealing element 61,
And the surrounding of sealing element 61 is by keeping 62 hanging of rope in the lower section of setting-out mouth 32, the sealing element 61 when negative pressure device 2 works
Since negative pressure is picked up upwards so that sealing element 61 is inserted on setting-out mouth 32 and is sealed, and when negative pressure device 2 is stopped
When, due to gravity, sealing element 61 slides to open setting-out mouth 32 downwards, and sealing element 61 is by keeping rope 62 to be maintained at
The lower section of setting-out mouth 32, it is ensured that sealing element can effectively be picked up to seal setting-out mouth 32 when sample is drawn next time.
In the present embodiment, reduction device 4 divides sample lattice using annular, when negative pressure device 2 is stopped, the sealing of taper
Part 61 just falls the conical top for dividing sample lattice in annular, and the pyramidal structure of sealing element 61 plays the role of water conservancy diversion so that from setting-out
The sample that mouth falls circumferentially is dispersed in annular and divides on sample lattice, ensure that the accuracy and stability of division.
For the ease of extra grain samples are discharged, it is additionally provided on body 1 and loses sample mouth 7, the exit of reduction device 4 is set
Be equipped with by reduction device 4 outlet with lose sample mouth 7, sampling mechanism 5 selects the channel selecting component 8 that one is connected, in the present embodiment
In, the dress of channel selecting component 8 includes three-way pipe 81, three ports of three-way pipe 81 respectively with the outlet of reduction device 4, lose sample mouth
7 are connected to sampling mechanism 5, and returning face plate 82 is hinged in three-way pipe 81, and returning face plate 82 turns to closed communication and loses the logical of sample mouth 7
Mouth or the port for turning to closed communication sampling mechanism 5, returning face plate 82 are first in the state that closed communication loses the port of sample mouth 7,
Divide the sample that sample goes out from sampling peck 51 is entered from reduction device 4, is collected into the real-time weighing sampling peck 51 of meausring apparatus 52
The weight of grain samples, when reaching requirement, returning face plate 82 carries out rotation switching state, and returning face plate 82 turns to closed communication
The port of sampling mechanism 5, to which extra grain is just flowed out by losing sample mouth 7.Channel selecting component 8 can also use rotatable
Guide pipe, the outlet of one end and reduction device 4 of guide pipe, the other end then by rotate guide pipe guide pipe is referred to
To losing sample mouth 7 or sampling mechanism 5.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
Protection scope of the present invention is also should be regarded as into retouching.
Claims (10)
1. a kind of monthly quota of food grain for an individual sampling sharp-pointed tube, which is characterized in that including body (1), negative pressure device (2), collection are provided on body (1)
Specimen chamber (3), reduction device (4) and sampling mechanism (5), the negative pressure device (2) are connected on sample collecting chamber (3) and for making collection
Negative pressure is generated in specimen chamber (3), and the injection port (31) for being connect with piece-like tube has been opened up on the wall surface of the sample collecting chamber (3),
Setting-out mouth (32) is arranged in the bottom of the sample collecting chamber (3), and setting-out switching mechanism (6), and institute are provided on setting-out mouth (32)
The setting-out mouth (32) stated is connected to reduction device (4), and the outlet of reduction device (4) is connected to sampling mechanism (5), the sampling
Mechanism (5) includes for receiving the sampling peck of sample (51) and carrying the meausring apparatus (52) of sampling peck (51).
2. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 1, which is characterized in that present the lower part of the sample collecting chamber (3)
Small taper under big, setting-out mouth (32) are arranged at the vertex of a cone.
3. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 1, which is characterized in that the setting-out switching mechanism (6) includes
Sealing element (61), the sealing element (61) are movably connected in the lower section of setting-out mouth (32), are sealed when negative pressure device (2) work
Part (61) is sealed since negative pressure is pull-in on setting-out mouth (32).
4. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 3, which is characterized in that the setting-out switching mechanism (6) also wraps
Holding rope (62) is included, the sealing element (61) is hung by holding rope (62) in the lower section of setting-out mouth (32).
5. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 4, which is characterized in that the sealing element (61) is in up-small and down-big
Taper.
6. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 1, which is characterized in that the reduction device (4) is annular point
Sample lattice.
7. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 1, which is characterized in that be additionally provided with and lose on the body (1)
Sample mouth (7), the exit of reduction device (4) be provided with by the outlet of reduction device (4) with lose sample mouth (7), sampling mechanism (5) is selected
The channel selecting component (8) of one conducting.
8. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 7, which is characterized in that the channel selecting component (8) includes
Three-way pipe (81), the port of three-way pipe (81) respectively with the outlet of reduction device (4), lose sample mouth (7) and sampling mechanism (5) even
It connects, is hinged with returning face plate (82) in the three-way pipe (81), returning face plate (82) turns to the port that closed communication loses sample mouth (7)
Or turn to the port of closed communication sampling mechanism (5).
9. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 1, which is characterized in that the negative pressure device (2) and sample collecting chamber
(3) dust hood (21) is additionally provided between.
10. monthly quota of food grain for an individual sampling sharp-pointed tube according to claim 1, which is characterized in that the bottom of the body (1) is also set up
There is castor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641740.1A CN108760390A (en) | 2018-06-21 | 2018-06-21 | A kind of monthly quota of food grain for an individual sampling sharp-pointed tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810641740.1A CN108760390A (en) | 2018-06-21 | 2018-06-21 | A kind of monthly quota of food grain for an individual sampling sharp-pointed tube |
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| Publication Number | Publication Date |
|---|---|
| CN108760390A true CN108760390A (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810641740.1A Pending CN108760390A (en) | 2018-06-21 | 2018-06-21 | A kind of monthly quota of food grain for an individual sampling sharp-pointed tube |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490042A (en) * | 2018-12-14 | 2019-03-19 | 长沙开元仪器有限公司 | Reduction device |
| CN109944958A (en) * | 2019-04-28 | 2019-06-28 | 平顶山森源电气有限公司 | A kind of grain sampling sharp-pointed tube |
| CN113945417A (en) * | 2021-10-11 | 2022-01-18 | 河南牧业经济学院 | A intelligent sampling device for milk cow fodder detects |
| CN115683746A (en) * | 2023-01-04 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Sampling sample separator |
| CN115683745A (en) * | 2023-01-03 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Intelligent sampling system based on grain purchasing |
| CN115684510A (en) * | 2023-01-04 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Grain intelligent sampling inspection method |
| CN117804831A (en) * | 2024-03-01 | 2024-04-02 | 黑龙江省农业科学院农产品质量安全研究所 | Sampling detection equipment for grain production |
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| CN201464459U (en) * | 2009-07-20 | 2010-05-12 | 周口市福安粮机有限公司 | Vehicle-mounted intelligent control grain sample detector |
| CN104075907A (en) * | 2014-07-18 | 2014-10-01 | 沈笑蕾 | Food sampling machine with sample splitter |
| CN105334076A (en) * | 2015-11-18 | 2016-02-17 | 河南省农业科学院植物营养与资源环境研究所 | Device and method for drawing farmland soil leakage water |
| CN208547507U (en) * | 2018-06-21 | 2019-02-26 | 中储粮成都储藏研究院有限公司 | A kind of monthly quota of food grain for an individual sampling sharp-pointed tube |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201464459U (en) * | 2009-07-20 | 2010-05-12 | 周口市福安粮机有限公司 | Vehicle-mounted intelligent control grain sample detector |
| CN104075907A (en) * | 2014-07-18 | 2014-10-01 | 沈笑蕾 | Food sampling machine with sample splitter |
| CN105334076A (en) * | 2015-11-18 | 2016-02-17 | 河南省农业科学院植物营养与资源环境研究所 | Device and method for drawing farmland soil leakage water |
| CN208547507U (en) * | 2018-06-21 | 2019-02-26 | 中储粮成都储藏研究院有限公司 | A kind of monthly quota of food grain for an individual sampling sharp-pointed tube |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490042A (en) * | 2018-12-14 | 2019-03-19 | 长沙开元仪器有限公司 | Reduction device |
| CN109944958A (en) * | 2019-04-28 | 2019-06-28 | 平顶山森源电气有限公司 | A kind of grain sampling sharp-pointed tube |
| CN109944958B (en) * | 2019-04-28 | 2024-01-26 | 平顶山森源电气有限公司 | Grain sampler |
| CN113945417A (en) * | 2021-10-11 | 2022-01-18 | 河南牧业经济学院 | A intelligent sampling device for milk cow fodder detects |
| CN113945417B (en) * | 2021-10-11 | 2024-01-19 | 河南牧业经济学院 | Intelligent sampling device for dairy cow feed detection |
| CN115683745A (en) * | 2023-01-03 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Intelligent sampling system based on grain purchasing |
| CN115683746A (en) * | 2023-01-04 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Sampling sample separator |
| CN115684510A (en) * | 2023-01-04 | 2023-02-03 | 中储粮成都储藏研究院有限公司 | Grain intelligent sampling inspection method |
| CN117804831A (en) * | 2024-03-01 | 2024-04-02 | 黑龙江省农业科学院农产品质量安全研究所 | Sampling detection equipment for grain production |
| CN117804831B (en) * | 2024-03-01 | 2024-05-14 | 黑龙江省农业科学院农产品质量安全研究所 | Sampling detection equipment for grain production |
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