CN108844854A - A kind of whole corn silage sample acquisition density measuring device - Google Patents
A kind of whole corn silage sample acquisition density measuring device Download PDFInfo
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- CN108844854A CN108844854A CN201810701466.2A CN201810701466A CN108844854A CN 108844854 A CN108844854 A CN 108844854A CN 201810701466 A CN201810701466 A CN 201810701466A CN 108844854 A CN108844854 A CN 108844854A
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- measuring device
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- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 23
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 23
- 235000005822 corn Nutrition 0.000 title claims abstract description 23
- 239000004460 silage Substances 0.000 title claims abstract description 22
- 240000008042 Zea mays Species 0.000 title claims description 21
- 239000000523 sample Substances 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 239000002344 surface layer Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001739 density measurement Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 241000209149 Zea Species 0.000 abstract 2
- 241000283690 Bos taurus Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013325 dietary fiber Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
-
- 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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N2009/022—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
- G01N2009/024—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids the volume being determined directly, e.g. by size of container
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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
A kind of whole corn silage sample acquisition density measuring device, it is related to agricultural mechanical field, including a walking mechanism, the walking mechanism includes walking bottom plate, movable motor and traveling wheel, walking bottom base plate is equipped with multiple traveling wheels, and the traveling wheel is connected with movable motor, and the movable motor is mountable on walking bottom plate, extension means are installed, the extension means are connected with density sampling mechanism and surface layer removal mechanism on the walking bottom plate.The present invention solves the problems, such as that ensiling density measurement and representative sample acquire using mechanical mechanism.It is sampled using the automation that density sampling mechanism realizes corn silage, and the conveyer mechanism for being equipped with unidirectional drive has carried out the unidirectional movement of probe tube, the fixation and disengaging of probe tube are realized using the rubber membrane pressure effect on sliding block, it is ingenious in design, it is low in cost.
Description
Technical field
The present invention relates to agricultural mechanical field, specifically a kind of whole corn silage sample acquisition density measurement dress
It sets.
Background technique
Whole corn silage carries out the important pushing hands of " grain changes feeding " and breeding binding pattern as country, and high-quality ensiling can
To provide good roughage resource for herbivorous stock raising development, promote the production of high-quality livestock products, while also reducing stalk
The environmental pressure of processing, realize with kind generation support, breeding integrative development.
For ensiling compacted density as one of the key factor for influencing ensiling quality, Accurate Determining ensiling density can be cattle farm
It makes high-quality ensiling and technical parameter is provided.On the basis of guaranteeing ensiling quality, ensiling nutrient content directly affects cows feeding
Grain is prepared and feed efficiency, and then influences cattle farm economic benefit.
But because cattle farm ensiling feeding face is larger and the ensiling density and nutrient content not to the utmost one of horizental silo different location
Cause, cause production upper and scientific research on can not Accurate Determining ensiling compacted density and representative sample acquisition, seriously affect blueness
Storage production quality and its cows precisely feed.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of whole corn silage samples to acquire density measuring device, has
Effect solves the problems, such as ensiling density measurement and representative sample acquisition.
The technical scheme adopted by the invention to solve the technical problem is that：
A kind of whole corn silage sample acquires density measuring device, including a walking mechanism, the walking mechanism include
Walking bottom plate, movable motor and traveling wheel, walking bottom base plate are equipped with multiple traveling wheels, the traveling wheel and movable motor phase
Connection, the movable motor is mountable on walking bottom plate, is equipped with extension means, the extension means on the walking bottom plate
It is connected with density sampling mechanism and surface layer removal mechanism.
Further, the density sampling mechanism includes outer housing, conduit, probe tube, sliding rail, sliding cavity, slide plate, first
Spring, the first sliding block, tracheae, the second sliding block, third sliding block, skew back block, upper guide plate, lower guide plate, side fixed plate, flexible electricity
Dynamic cylinder, drive roll, driven roller, conveyer belt and push tooth, outer housing inner wall side are equipped with a sliding rail, the sliding rail one
End is fixed on outer housing, and the other end is fixed on skew back block, and the skew back block is fixed on outer housing, the sliding rail, shell
Body and skew back block form a sliding cavity, are sliding combined with slide plate in the sliding cavity, are connected between the slide plate and sliding cavity
First spring is sliding combined with the first sliding block, the second sliding block and third sliding block, first sliding block and the second sliding block on the slide rail
Between be connected by tracheae, be connected between second sliding block and third sliding block by tracheae, be equipped in the middle part of the sliding rail
One long through-hole, the slide plate pass through the long through-hole be connected with the first sliding block, be additionally provided in the outer housing guide plate with
Lower guide plate, probe tube be placed on guide plate, lower guide plate, the first sliding block, the second sliding block, in the gap between third sliding block
And extruding fixation is carried out by the rubber membrane of the first sliding block, the second sliding block and third sliding block, the upper guide plate and outer housing
Inner cavity is connected, and the lower guide plate is connected by side fixed plate with outer housing, is additionally provided with drive roll on the outer housing
And driven roller, the drive roll are connected with driven roller by conveyer belt, the conveyer belt is equipped with push tooth, described
Drive roll is connected with driving motor.
Further, the lower guide plate is equipped with a mounting hole, and the telescopic shaft of the telescopic electric cylinder may pass through installation
Hole, the telescopic electric cylinder are fixed on shell intracoelomic cavity.
Further, second sliding block is hollow structure, is equipped with rubber membrane close to probe tube side in the second sliding block.
Further, second sliding block is linked with one and fills suction mechanism.
Further, the surface layer removal mechanism includes the first electric cylinder, the second electric cylinder, postposition plate, left fixed frame, the right side
Fixed frame, cutter, dynamic cutter, second spring, connecting plate, follower lever and driving lever, first electric cylinder, the second electric cylinder
It is hinged on outer housing, first electric cylinder and the second electric cylinder are connected with postposition plate, difference at left and right sides of the postposition plate
Equipped with left fixed frame and right fixed frame, cutter is installed between the left fixed frame and right fixed frame, is set on left fixed frame
There is guide groove, dynamic cutter is sliding combined in the guide groove, described dynamic cutter one end is equipped with connecting plate, cuts with scissors on the connecting plate
It is connected to follower lever, the follower lever is hinged with driving lever, and the driving lever is connected with the output shaft of rotary electric machine, the rotation
Motor is fixed on right fixed frame.
Further, second spring is equipped between the left fixed frame and dynamic cutter.
Further, the extension means include a pedestal, are rotatably connected to rotating disc, the rotating disc on the pedestal
On be hinged with big armed lever, the big armed lever is hinged with third connecting rod, and the third connecting rod is connected with density sampling mechanism.
Further, first connecting rod, the first connecting rod hinge are also hinged on the articulated shaft of the rotating disc and big armed lever
It is connected to second connecting rod, the second connecting rod is hinged with third connecting rod, and the third connecting rod is rotatably connected to small armed lever.
The beneficial effects of the invention are as follows：
The present invention solves the problems, such as that ensiling density measurement and representative sample acquire using mechanical mechanism.Using close
Degree sampling mechanism realizes the automation sampling of corn silage, and the conveyer mechanism for being equipped with unidirectional drive has carried out probe tube
It is unidirectional mobile, the fixation and disengaging of probe tube are realized using the rubber membrane pressure effect on sliding block, it is ingenious in design, it is at low cost
It is honest and clean.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the three dimensional structure diagram of extension means；
Fig. 3 is the cross-sectional view of density sampling mechanism；
Fig. 4 is the cross-sectional view of the second sliding block；
Fig. 5 is the structural schematic diagram of surface layer removal mechanism；
In figure：11 horizental silos, 12 corn silages, 2 extension means, 21 pedestals, 22 rotating discs, 23 big armed levers, 24
First connecting rod, 25 second connecting rods, 26 third connecting rods, 27 small armed levers, 31 walking bottom plates, 32 movable motors, 33 traveling wheels,
34 sampling bench, 4 density sampling mechanisms, 41 outer housings, 42 conduits, 43 probe tubes, 44 sliding rails, 45 sliding cavities, 46 is sliding
Plate, 47 first springs, 48 first sliding blocks, 481 rubber membranes, 49 tracheaes, 410 second sliding blocks, 411 third sliding blocks, 412
Skew back block, guide plate on 413,414 lower guide plates, 415 side fixed plates, 416 telescopic electric cylinders, 417 drive rolls, 418
Driven roller, 419 conveyer belts, 420 push teeth, 51 first electric cylinders, 52 second electric cylinders, 53 postposition plates, 54 is left solid
Determine frame, 55 right fixed frames, 56 cutters, 57 dynamic cutters, 58 second springs, 59 connecting plates, 510 follower levers, 511 is main
Lever.
Specific embodiment
As shown in Figures 1 to 5, it is placed in horizental silo 11 and stacks full corn silage 12.Whole corn silage sample is adopted
Collection density measuring device is located at horizental silo side.
A kind of whole corn silage sample acquires density measuring device, including a walking mechanism, the walking mechanism include
Walking bottom plate 31, movable motor 32 and traveling wheel 33, walking bottom base plate are equipped with multiple traveling wheels 33, the traveling wheel and row
It walks motor to be connected, the rotation of traveling wheel can be driven by movable motor.The movable motor is mountable on walking bottom plate.?
Extension means 2 are installed on walking bottom plate, density sampling mechanism 4 and surface layer removal mechanism are installed on the extension means, because
Ensiling feeding face exposure air influences the accuracy for acquiring sample, surface layer removal mechanism can be used and be sampled point 20cm depth
Surface layer removal.Density sampling mechanism is used to be sampled sampling work a little.
The extension means include a pedestal 21, are rotatably connected to rotating disc 22 on the pedestal, cut with scissors on the rotating disc
It is connected to big armed lever 23, the big armed lever is hinged with third connecting rod 26, and the third connecting rod is connected with density sampling mechanism 4.
The optimization design of scheme, is also hinged with first connecting rod 24 on the articulated shaft of the rotating disc and big armed lever, and described the
One connecting rod is hinged with second connecting rod 25, and the second connecting rod is hinged with third connecting rod 26, and the third connecting rod is rotatably connected to small
Armed lever 27.Extension means also can be replaced six-DOF robot in the prior art or other manipulators, mechanical arm.
The density sampling mechanism include outer housing 41, conduit 42, probe tube 43, sliding rail 44, sliding cavity 45, slide plate 46,
First spring 47, the first sliding block 48, tracheae 49, the second sliding block 410, third sliding block 411, skew back block 412, upper guide plate 413, under
Guide plate 414, side fixed plate 415, telescopic electric cylinder 416, drive roll 417, driven roller 418, conveyer belt 419 and push tooth
420,
Outer housing inner wall side is equipped with a sliding rail 44, and described sliding rail one end is fixed on outer housing, and the other end is fixed
On skew back block 412, the skew back block is fixed on outer housing, and the sliding rail, outer housing and skew back block form a sliding cavity 45,
Slide plate 46 is sliding combined in the sliding cavity.The first spring 47 is connected between the slide plate and sliding cavity.It slides on the slide rail
It is dynamic to be combined with the first sliding block 48, the second sliding block 410 and third sliding block 411.Pass through gas between first sliding block and the second sliding block
Pipe 49 is connected, and is connected between second sliding block and third sliding block by tracheae, and a long through-hole is equipped in the middle part of the sliding rail,
The slide plate passes through the long through-hole and is connected with the first sliding block.Guide plate 413 and lower guiding are additionally provided in the outer housing
Plate 414, probe tube be placed on guide plate, lower guide plate, the first sliding block, the second sliding block, in the gap between third sliding block, and
Extruding fixation is carried out by the rubber membrane of the first sliding block, the second sliding block and third sliding block.The upper guide plate and outer housing it is interior
Chamber is connected.The lower guide plate is connected by side fixed plate 415 with outer housing.The lower guide plate is equipped with an installation
Hole, the telescopic shaft of the telescopic electric cylinder may pass through mounting hole and telescopic shaft made to block probe tube.The telescopic electric cylinder is fixed
On outer housing cavity.Be additionally provided with drive roll 417 and driven roller 418 on the outer housing, the drive roll with it is driven
Roller is connected by conveyer belt 419, and certain area is equipped with push tooth 420 on the conveyer belt.The drive roll is connected with
Driving motor, the driving motor can drive drive roll to be driven.
It is illustrated in figure 4 the cross-sectional view of the second sliding block, the first sliding block, the second sliding block, the inside setting of third sliding block are identical, existing
It is analyzed by taking the second sliding block as an example.Second sliding block is hollow structure, is equipped with rubber close to probe tube side in the second sliding block
Glue film 481, when the inflation of the second sliding block, rubber membrane stress is fitted in sampling pipe surface, the fixation for probe tube.In this implementation
In example, slide plate, the first sliding block, the second sliding block, third sliding block and tracheae are hollow body, and sliding block can be linked with a filling mechanism of qi
Structure.Filling suction mechanism by this can realize that the shape of rubber membrane changes.So that rubber membrane is detached from or fitting probe tube.This
Sample is released probe tube when needing corn silage to carry out density measure, using push tooth, is then moved using extension means
Dynamic insertion.Driving motor continues to drive conveyer belt rotation, pushes tooth at this time and is detached from probe tube, effect of the probe tube in the first spring
Under set back.Suction mechanism pumping is filled at this time, so that rubber membrane is detached from probe tube, probe tube is fallen into from guide rail 42 to sampling bench
On 34.The sampling bench is mounted on walking bottom plate.
The surface layer removal mechanism includes the first electric cylinder 51, the second electric cylinder 52, postposition plate 53, left fixed frame 54, the right side
Fixed frame 55, cutter 56, dynamic cutter 57, second spring 58, connecting plate 59, follower lever 510 and driving lever 511, described first
Electric cylinder, the second electric cylinder are hinged on outer housing 41.First electric cylinder and the second electric cylinder are connected with postposition plate, described
Postposition plate is respectively arranged on the left side and the right side left fixed frame and right fixed frame, is equipped between the left fixed frame and right fixed frame and cuts surely
Knife is equipped with guide groove on left fixed frame, and dynamic cutter 57 is sliding combined in the guide groove, and described dynamic cutter one end, which is equipped with, to be connected
Fishplate bar, is hinged with follower lever on the connecting plate, and the follower lever is hinged with driving lever, the driving lever and rotary electric machine it is defeated
Shaft is connected, and the rotary electric machine is fixed on right fixed frame.
Scheme optimization design, is equipped with second spring between the left fixed frame and dynamic cutter.
Working method makes probe tube navigate to sample point by walking mechanism and extension means first.And it should be in ensiling
9 points that amount to up and down in feeding face acquire Feed Sample.Surface layer removal mechanism on extension means is protracted sample point
20cm depth surface layer removal surface layer removal mechanism is withdrawn upwards using electric cylinder, probe tube extension, under the pressure of extension means,
Probe tube is inserted into ensiling, deeply about 15~20cm.Probe tube slides from conduit to sampling bench.The balance of sampling bench claims
Weight, system calculate the ensiling density in the site according to ensiling sampler diameter, depth selection and weight.According to sampling needs,
Leave and take 200~500g ensiling sample.And so on, take the ensiling density and sample in other 8 sites.The density in 9 sites
Average value is the density of horizental silo；After 9 site ensiling sample equal proportion mixing, for the representative sample of the ensiling.System can
Depth, weight and the density Value Data of printing or export different loci quickly and efficiently ensure that the accuracy of scientific data.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (9)
1. a kind of whole corn silage sample acquires density measuring device, including a walking mechanism, the walking mechanism includes row
Bottom plate, movable motor and traveling wheel are walked, walking bottom base plate is equipped with multiple traveling wheels, and the traveling wheel is connected with movable motor
It connects, the movable motor is mountable on walking bottom plate, which is characterized in that is equipped with extension means on the walking bottom plate, institute
It states extension means and is connected with density sampling mechanism and surface layer removal mechanism.
2. whole corn silage sample according to claim 1 acquires density measuring device, which is characterized in that the density
Sampling mechanism includes outer housing, conduit, probe tube, sliding rail, sliding cavity, slide plate, the first spring, the first sliding block, tracheae, the second cunning
Block, third sliding block, skew back block, upper guide plate, lower guide plate, side fixed plate, telescopic electric cylinder, drive roll, driven roller, biography
Band and push tooth, outer housing inner wall side is sent to be equipped with a sliding rail, described sliding rail one end is fixed on outer housing, and the other end is solid
It is scheduled on skew back block, the skew back block is fixed on outer housing, and the sliding rail, outer housing and skew back block form a sliding cavity, institute
It states and is sliding combined with slide plate in sliding cavity, the first spring is connected between the slide plate and sliding cavity, is slidably matched on the slide rail
There are the first sliding block, the second sliding block and third sliding block, is connected between first sliding block and the second sliding block by tracheae, described
It is connected between two sliding blocks and third sliding block by tracheae, a long through-hole is equipped in the middle part of the sliding rail, the slide plate passes through described
Long through-hole is connected with the first sliding block, and guide plate and lower guide plate are additionally provided in the outer housing, and probe tube, which is placed on, leads
Into the gap between plate, lower guide plate, the first sliding block, the second sliding block, third sliding block and by the first sliding block, the second sliding block and
The rubber membrane of third sliding block carries out extruding fixation, and the upper guide plate is connected with the inner cavity of outer housing, and the lower guide plate is logical
Cross side fixed plate to be connected with outer housing, be additionally provided with drive roll and driven roller on the outer housing, the drive roll with
Driven roller is connected by conveyer belt, and the conveyer belt is equipped with push tooth, and the drive roll is connected with driving motor.
3. whole corn silage sample according to claim 2 acquires density measuring device, which is characterized in that led under described
It is equipped with a mounting hole to plate, the telescopic shaft of the telescopic electric cylinder may pass through mounting hole, and the telescopic electric cylinder is fixed on outer
On housing cavity.
4. whole corn silage sample according to claim 2 or 3 acquires density measuring device, which is characterized in that described
Second sliding block is hollow structure, is equipped with rubber membrane close to probe tube side in the second sliding block.
5. whole corn silage sample according to claim 4 acquires density measuring device, which is characterized in that described second
Sliding block is linked with one and fills suction mechanism.
6. whole corn silage sample according to claim 4 acquires density measuring device, which is characterized in that the surface layer
Removal mechanism includes the first electric cylinder, the second electric cylinder, postposition plate, left fixed frame, right fixed frame, cutter, dynamic cutter, second
Spring, connecting plate, follower lever and driving lever, first electric cylinder, the second electric cylinder are hinged on outer housing, first electricity
Dynamic cylinder and the second electric cylinder are connected with postposition plate, and the postposition plate is respectively arranged on the left side and the right side left fixed frame and right fixed frame, institute
It states and cutter is installed between left fixed frame and right fixed frame, guide groove, sliding in the guide groove are equipped on left fixed frame
It is combined with dynamic cutter, described dynamic cutter one end is equipped with connecting plate, is hinged with follower lever on the connecting plate, the follower lever is hinged
There is driving lever, the driving lever is connected with the output shaft of rotary electric machine, and the rotary electric machine is fixed on right fixed frame.
7. whole corn silage sample according to claim 6 acquires density measuring device, which is characterized in that described left solid
Determine to be equipped with second spring between frame and dynamic cutter.
8. whole corn silage sample according to claim 1 acquires density measuring device, which is characterized in that the stretching, extension
Mechanism includes a pedestal, is rotatably connected to rotating disc on the pedestal, big armed lever, the big armed lever are hinged on the rotating disc
It is hinged with third connecting rod, the third connecting rod is connected with density sampling mechanism.
9. whole corn silage sample according to claim 8 acquires density measuring device, which is characterized in that the rotation
It is also hinged with first connecting rod on the articulated shaft of disk and big armed lever, the first connecting rod is hinged with second connecting rod, the second connecting rod
It is hinged with third connecting rod, the third connecting rod is rotatably connected to small armed lever.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701466.2A CN108844854B (en) | 2018-06-29 | 2018-06-29 | Whole plant corn silage sample collection density measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701466.2A CN108844854B (en) | 2018-06-29 | 2018-06-29 | Whole plant corn silage sample collection density measuring device |
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| CN108844854A true CN108844854A (en) | 2018-11-20 |
| CN108844854B CN108844854B (en) | 2024-04-02 |
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| CN201810701466.2A Active CN108844854B (en) | 2018-06-29 | 2018-06-29 | Whole plant corn silage sample collection density measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112268830A (en) * | 2020-10-13 | 2021-01-26 | 蚌埠绿都秸秆生物科技有限公司 | Rapid sampling and detecting device for maturity degree in crop straw compost fermentation process |
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|---|---|---|---|---|
| CN112268830A (en) * | 2020-10-13 | 2021-01-26 | 蚌埠绿都秸秆生物科技有限公司 | Rapid sampling and detecting device for maturity degree in crop straw compost fermentation process |
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| CN108844854B (en) | 2024-04-02 |
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