CN108931396A - Automatic Bulk Grain sampling sharp-pointed tube - Google Patents
Automatic Bulk Grain sampling sharp-pointed tube Download PDFInfo
- Publication number
- CN108931396A CN108931396A CN201810503097.6A CN201810503097A CN108931396A CN 108931396 A CN108931396 A CN 108931396A CN 201810503097 A CN201810503097 A CN 201810503097A CN 108931396 A CN108931396 A CN 108931396A
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- China
- Prior art keywords
- tube
- piece
- bulk grain
- sample
- pointed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
- G01N2001/1445—Overpressure, pressurisation at sampling point
- G01N2001/1463—Injector; Air-lift
Abstract
The present invention relates to a kind of automatic Bulk Grain sampling sharp-pointed tubes, mainly include walking mechanism (1) and hand-held remote controller (7), and the walking mechanism (1) is wirelessly connected to the hand-held remote controller (7)；Movable sample mechanism is installed, the movable sample mechanism is suitable for sampling the grain of different depth on the walking mechanism (1)；Receiver of remote-control sytem is equipped in the walking mechanism (1), the hand-held remote controller (7) controls run trace of the walking mechanism (1) on Bulk Grain heap to be sampled, and controls the movable sample mechanism and be sampled to Bulk Grain heap；Food-suction main machine (4) and sample storage storehouse (5) are also equipped on the walking mechanism (1), the movable sample mechanism is connected to the sample storage storehouse (5) by the food-suction main machine (4), the automatic Bulk Grain sampling sharp-pointed tube has sampling efficiency high, the advantages that labor intensity is low, safe and reliable, operator is few.
Description
Technical field
The present invention relates to grains to examine apparatus field, more particularly to a kind of automatic Bulk Grain sampling sharp-pointed tube.
Background technique
Currently, Bulk Grain sampling sharp-pointed tube is all by manual operation, component is more, and the connection of one root canal of a root canal is needed when sample, uses
Complexity, time-consuming, large labor intensity, and more people is needed to assist cooperation that could complete；Meanwhile dust concentration is big in warehouse, influences sample
Personnel are physically and mentally healthy, and there are sample low efficiencys, the situations such as working environment is unfriendly, the degree of automation is low.Fixed grain sampling
Machine is inconvenient for use, and position cannot flexibly move.In the sampling of inlet and outlet bulk grain surface layer, Check and Examination of Port quarantines mechanism to large size
The inlet and outlet bulk grain of ship carries out surface layer inspection and quarantine and sampling, the timeliness of inspection result and accurate sexual intercourse in anchorage
To the economic interests of each side, the health of internal people, ecological environment safety etc..
Most movable type automatic sampling machine figures are larger, are not easy to small space position or there are the places of safety problem
Grain carry out sample.
Summary of the invention
The purpose of the invention is to overcome inefficiency of the existing technology, large labor intensity, safety poor, ineffective
The problems such as living, provide a kind of automatic Bulk Grain sampling sharp-pointed tube, which has that work efficiency is high, labor intensity is low, small is convenient for
The features such as carrying, be safe and reliable, operator is few.
To achieve the goals above, the present invention provides a kind of automatic sampling device, including walking mechanism and hand-held remote controller, institute
It states walking mechanism and is wirelessly connected to the hand-held remote controller；
Movable sample mechanism is installed, the movable sample mechanism is suitable for sampling different depth in the walking mechanism
Grain；
Receiver of remote-control sytem is equipped in the walking mechanism, the hand-held remote controller controls the walking mechanism and dissipates to be sampled
Run trace in grain heap, and control the movable sample mechanism and Bulk Grain heap is sampled；
Food-suction main machine and sample storage storehouse are also equipped in the walking mechanism, the movable sample mechanism passes through the suction grain
Host is connected to the sample storage storehouse.
Preferably, the movable sample mechanism includes telescopic piece-like tube, piece-like tube up-down drive device and piece-like tube
Retractable driving device；The piece-like tube retractable driving device includes driving motor and gear part, the gear drive member with
Piece-like tube connection in each section of the telescopic piece-like tube；The piece-like tube up-down drive device clamps the telescopic sample
Pipe, and it is driven to move up and down；The piece-like tube retractable driving device is connected to the top of the telescopic piece-like tube, and drives
It is flexible.
Preferably, the telescopic piece-like tube includes piece-like tube in a section outer layer sleeve and more piece, the outer layer sleeve with
It is flexibly connected between the adjacent interior piece-like tube using screw thread, is connected between each adjacent interior piece-like tube using screw thread activity
It connects；It is stretched between the outer layer sleeve and the adjacent interior piece-like tube by relative rotation, each adjacent interior skewer
It is stretched between sample pipe by relative rotation；Pipe end sets sealing and locking device, end sealing device skewer in two adjacent sections
Piece-like tube bottom end in a section, is sealed using flexible sealing film above sample pipe junction；Locking device is by two adjacent sections
Unidirectional elastic slice and spring composition in piece-like tube in outer layer in piece-like tube inboard wall groove and internal layer in sample pipe outer wall.
Preferably, the piece-like tube up-down drive device includes driving motor, gear part, the driving motor positive and negative rotation
Realize moving up and down for the telescopic sample.
Preferably, the hydraulic stem upper end is connected to the outer layer sleeve outer wall, and the hydraulic stem lower end is connected to hydraulic
Driving device.
Preferably, multiple apertures are provided on the tube wall of piece-like tube in the minor details of the telescopic piece-like tube, percent opening is
10%~25%, percent opening refers to that the sum of the area of each aperture accounts for the ratio of tube wall area, and percent opening is excessive, and grain is difficult to be inhaled
Into piece-like tube, too small easy blocking nozzle.
Preferably, the walking mechanism is crawler type.
Preferably, the grain outlet of the food-suction main machine is connected to the sample storage storehouse, the electrically operated valve by electrically operated valve
It is connect with disk, disk can move left and right, and disk can close two nozzles when being in situ；When being moved to the left, it can connect
Lead to the electrically operated valve and the third connecting tube, while closing another nozzle；When moving right, the electrically operated valve can be connected to
With second connecting tube, while another nozzle is closed.
Preferably, the hand-held remote controller includes left and right travelling control handle, front and back travelling control handle, hydraulic stem level
Rotation control handle, hydraulic stem vertical and horizontal state adjustment handle, piece-like tube extension and contraction control handle, piece-like tube move up and down control
Handle, food-suction main machine switch button and grain outlet switch handle of valve processed；The left and right travelling control handle is automatic for controlling
Left and right directions is mobile when Bulk Grain sampling sharp-pointed tube is walked；When the front and back travelling control handle is for controlling the walking of automatic Bulk Grain sampling sharp-pointed tube
Front-rear direction is mobile；The hydraulic stem rotates horizontally the horizontal rotation that control handle is used to control hydraulic stem, in sample operation knot
Shu Hou, the telescopic piece-like tube are rotated horizontally to side under hydraulic stem effect, piece-like tube can be laid flat, it is convenient into
Warehouse out；The hydraulic stem vertical and horizontal state adjustment handle is for controlling hydraulic stem between plumbness and horizontality
Conversion；The piece-like tube extension and contraction control handle passes through phase between the outer layer sleeve and the adjacent interior piece-like tube for controlling
It stretches to rotation, is stretched between each adjacent interior piece-like tube by relative rotation；It is moved down on the piece-like tube
Dynamic control handle is for controlling telescopic piece-like tube rise and fall operation；The food-suction main machine switch button inhales grain master for controlling
Machine switch；The grain outlet switch handle of valve opens or closes the second connecting tube, third connecting tube for control valve and inhales
The grain outlet interface of grain host.
Through the above technical solutions, the beneficial effects of the invention are as follows：Sampling sharp-pointed tube figure of the invention is smaller, can be neatly
Sample, and multiposition sample are carried out in some more narrow spaces, improves the accuracy of inspection；And there is epidemic prevention some
It is required that place, sample operation can be carried out with remote operation, enhance protection to operating personnel；Piece-like tube has vertically and horizontally two
Kind state, is convenient for transportation, reduces labor intensity.
Detailed description of the invention
Fig. 1 is automatic Bulk Grain sampling sharp-pointed tube agent structure schematic diagram of the invention；
Fig. 2 is automatic Bulk Grain sampling sharp-pointed tube hand held controller schematic diagram of the invention；
Fig. 3 is that the telescopic piece-like tube horizontality of the present invention is converted to plumbness schematic diagram；
Fig. 4 is the adjacent piece-like tube end sealing of the present invention and locking device partial structural diagram；
Fig. 5 is piece-like tube up-down drive device and piece-like tube retractable driving device partial structural diagram of the present invention；
Fig. 6 is electrically operated valve partial structural diagram of the present invention；
Fig. 7 is the functional block diagram of automatic Bulk Grain sampling sharp-pointed tube of the invention.
Description of symbols
The telescopic piece-like tube of 1 walking mechanism, 2 piece-like tube up-down drive device 3
4 food-suction main machine, 5 sample storage storehouse, 6 hydraulic stem
7 hand held controller, 8 first connecting tube, 9 second connecting tube
10 third connecting tube, 41 valve, 31 sample pipe end
71 or so travelling control handle, 72 front and back travelling control handle
73 hydraulic stems rotate horizontally control 74 hydraulic stem vertical and horizontal state of handle and adjust handle
78 grain outlet switch handle of valve, 75 piece-like tube extension and contraction control handle
76 piece-like tubes move up and down control 77 food-suction main machine switch button of handle
51 connect the unidirectional elastic slice of 21 gear part of sample pipe 32
33 spring, 34 groove, 35 flexible sealing film
61 connecting rod, 42 disk
Specific embodiment
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " up, down, left, right, before and after " is logical
Refer to described orientation or positional relationship of the sampling sharp-pointed tube in real use state.
As shown in Figure 1, 2, a kind of automatic sampling device, including hand held controller 7, walking mechanism 1, piece-like tube drive upside down dress
Set 2, telescopic piece-like tube 3, food-suction main machine 4, sample storage storehouse 5, hydraulic stem 6；On 7 panel of hand held controller：Left and right travelling control hand
Left and right directions is mobile when handle 71 controls the walking of automatic Bulk Grain sampling sharp-pointed tube, and it is mobile that front and back travelling control handle 72 controls front-rear direction；
Hydraulic stem rotates horizontally the horizontal rotation that control handle 73 controls hydraulic stem 6, and hydraulic stem vertical and horizontal state adjusts handle 74
Control hydraulic stem 6 is converted between plumbness and horizontality, and piece-like tube extension and contraction control handle 75 is for controlling the outer layer
It is stretched between casing and the adjacent interior piece-like tube by relative rotation, is passed through between each adjacent interior piece-like tube
Relative rotation is stretched, and piece-like tube moves up and down control handle 76 for controlling telescopic piece-like tube rise and fall operation, is inhaled
Grain host switch button 77 controls food-suction main machine 4 and switchs, and grain outlet switch handle of valve 78 can make valve 41 turn off or on the
The interface of two connecting tubes 9, third connecting tube 10 and food-suction main machine 4.
Crawler type sampling sharp-pointed tube is set to run to specified skewer using left and right travelling control handle 71 and front and back travelling control handle 72
Sample position is converted to telescopic piece-like tube 3 vertically by horizontality using hydraulic stem vertical and horizontal state adjustment handle 74
State, rotating horizontally control handle 73 using hydraulic stem is moved to telescopic piece-like tube 3 on piece-like tube up-down drive device 2
Side is directed at 2 import of piece-like tube up-down drive device, makes the telescopic elongation of piece-like tube 3 simultaneously using piece-like tube extension and contraction control handle 75
It is connect with piece-like tube up-down drive device 2, food-suction main machine switch button 77 is opened before contacting grain, and using on piece-like tube
Lower mobile control handle 76 makes telescopic piece-like tube 3 be inserted into grain certain depth position as required, closes on piece-like tube respectively
Lower mobile control handle 76 and food-suction main machine switch button 77, are opened by valve 41 using grain outlet switch handle of valve 78 and are inhaled
The interface of grain host 4 and the second connecting tube 9, by telescopic piece-like tube 3 by being connect with food-suction main machine 4 during moving down
The first connecting tube 8 be drawn into the discharge of the grain samples in food-suction main machine 4, the grain of discharge is without detecting, insertion process
Food-suction main machine 4 is such as not turned on when middle, resistance is very big when the telescopic piece-like tube 3 is inserted into grain heap, can block described telescopic
Piece-like tube 3 the step for needs in real work, recycles grain outlet switch handle of valve 78 to close by valve 41 and inhales grain master
The interface of machine 4 and the second connecting tube 9 opens food-suction main machine switch button 77 by telescopic piece-like tube 3 and connects telescopic skewer
First connecting tube 8 of sample pipe 3 and food-suction main machine 4 draws a certain amount of sample into food-suction main machine 4, turns off food-suction main machine switch
Button 77, moving up and down control handle 76 using piece-like tube makes telescopic piece-like tube 3 rise to designated position progress Stratified Sampling
The step of, rise Stratified Sampling in this way it is possible to prevente effectively from sucking the grain samples in moving process again, generates extra behaviour
Make, influence efficiency, repeats the step of sampling rises with telescopic piece-like tube 3, until all Stratified Samplings of the sample point are completed,
Using grain outlet switch handle of valve 78 by valve 41 open food-suction main machine 4 and third connecting tube 10 interface, make sample into
Enter sample storage storehouse 5；Then aforesaid operations are repeated to another sample point again, until all sample tasks are completed, unlatching connects sample pipe 51
Grain samples are picked up, so that piece-like tube in each section is retracted outer layer sleeve using piece-like tube extension and contraction control handle 75, is then shut off sample
Pipe extension and contraction control handle 75 rotates horizontally control handle 73 using hydraulic stem and hydraulic stem vertical and horizontal state adjusts handle 74
Telescopic piece-like tube 3 is adjusted to horizontality.
As shown in Fig. 3 a, 3b, 3c, when not working, the telescopic piece-like tube 3 is that horizontality is placed, and is started to work, institute
Stating the fluid pressure drive device control movement of connecting rod 61 makes the telescopic piece-like tube 3 be in state of being picked up, then controls hydraulic stem 6
Elongation makes the telescopic piece-like tube 3 be in plumbness, described in realization by the collective effect of connecting rod 61 and hydraulic stem 6
Telescopic piece-like tube 3 is converted from horizontality to plumbness.
As shown in figure 4, end sealing device piece-like tube bottom end, use in two neighboring interior piece-like tube junction outer layer is soft
Property sealed film 35 is sealed, and in sample, by suction function, interior piece-like tube bottom end external flexible sealed film 35 can make
Interior piece-like tube junction is closed；Such as blow-by, subnormal ambient cannot be formed in piece-like tube, grain samples can not be sucked out from grain heap；
Locking device is by sample pipe outer wall in the groove 34 and internal layer on sample inside pipe wall in outer layer in two neighboring interior piece-like tube
Unidirectional elastic slice 32 and spring 33 form, and the downward spiral of piece-like tube is mobile in internal layer, the unidirectional elastic slice in internal layer in sample pipe outer wall
32 with the groove 34 in outer layer on sample inside pipe wall when being overlapped, and the unidirectional elastic slice 32 in internal layer in sample pipe outer wall is made in spring 33
It is flicked under, locks the relative position of two neighboring interior piece-like tube, when the upward spiral of piece-like tube is mobile in internal layer, sample in internal layer
Unidirectional elastic slice 32 in pipe outer wall is closed, and is removed from the groove 34 in outer layer on sample inside pipe wall, and two neighboring interior skewer is released
Sample pipe locking state.
As shown in figure 5, driving gear 21 by the positive and negative rotation of driving motor, each interior piece-like tube and outer layer sleeve are realized
Between stretched by relative rotation, realize that the telescopic piece-like tube 3 moves up and down process.
As shown in fig. 6, the valve 41 is mounted on a disk 42, pass through valve using grain outlet switch handle of valve 78
Door 41 moves left and right disk 42, can close to two nozzles when disk 42 is in an intermediate position, can be with to one end movement
Nozzle closing, an another nozzle in two nozzles are opened.
As shown in fig. 7, hand held controller includes power module, mobile module, piece-like tube drive module, nozzle valve switch
Module, power module provide power supply for hand held controller, and mobile module controls the movement of walking mechanism all directions, and piece-like tube drives
Dynamic model block controls the conversion and movement of piece-like tube level and vertical direction and flexible, the nozzle valve switch module of piece-like tube itself
Control the open and close of the grain inlet and grain outlet of food-suction main machine 4；Hand held controller passes through wireless communication module for control instruction
It is transferred to the receiver of remote-control sytem of automatic Bulk Grain sampling sharp-pointed tube, control instruction is transferred to controller again by receiver of remote-control sytem, and controller is logical
It crosses control circuit driving motor and carries out command adapted thereto operation, power module provides power supply for automatic Bulk Grain sampling sharp-pointed tube.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.Simply
It should also be regarded as the disclosure of the present invention for modification and combination, all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of automatic Bulk Grain sampling sharp-pointed tube, which is characterized in that including walking mechanism (1) and hand-held remote controller (7), the vehicle with walking machine
Structure (1) is wirelessly connected to the hand-held remote controller (7)；
Movable sample mechanism is installed, the movable sample mechanism is suitable for sampling different depth on the walking mechanism (1)
Grain；
Be equipped with receiver of remote-control sytem in the walking mechanism (1), the hand-held remote controller (7) control the walking mechanism (1) to
The run trace on Bulk Grain heap is sampled, and controls the movable sample mechanism and Bulk Grain heap is sampled；
Food-suction main machine (4) and sample storage storehouse (5) are also equipped on the walking mechanism (1), the movable sample mechanism passes through institute
It states food-suction main machine (4) and is connected to the sample storage storehouse (5).
2. automatic Bulk Grain sampling sharp-pointed tube according to claim 1, which is characterized in that the movable sample mechanism includes flexible
Formula piece-like tube (3), piece-like tube up-down drive device (2) and piece-like tube retractable driving device, the piece-like tube retractable driving device
Including driving motor and gear part (21), sample in each section of the gear part (21) and the telescopic piece-like tube (3)
Pipe connection；
The piece-like tube up-down drive device (2) clamps the telescopic piece-like tube (3), and it is driven to move up and down；
The piece-like tube retractable driving device is connected to the top of the telescopic piece-like tube (3), and drives it flexible.
3. automatic Bulk Grain sampling sharp-pointed tube according to claim 2, which is characterized in that the telescopic piece-like tube (3) includes one
Piece-like tube in outer layer sleeve and more piece is saved, is connected between the outer layer sleeve and the adjacent interior piece-like tube using screw thread activity
It connects, is flexibly connected between each adjacent interior piece-like tube using screw thread；
It is stretched between the outer layer sleeve and the adjacent interior piece-like tube by relative rotation, each adjacent interior skewer
It is stretched between sample pipe by relative rotation；
Pipe end sets sealing and locking device, end sealing device piece-like tube in one section of piece-like tube junction outer layer in two adjacent sections
Bottom end is sealed using flexible sealing film (35)；Locking device is by piece-like tube in outer layer in piece-like tube in two adjacent sections
Unidirectional elastic slice (32) and spring (33) composition in wall groove (34) and internal layer in sample pipe outer wall.
4. automatic Bulk Grain sampling sharp-pointed tube according to claim 2, which is characterized in that the piece-like tube up-down drive device (2)
Including driving motor, gear part (21), moved down on the driving motor positive and negative rotation realization telescopic piece-like tube (3)
It is dynamic.
5. automatic Bulk Grain sampling sharp-pointed tube according to claim 3, which is characterized in that hydraulic mechanism includes connecting rod (61) and liquid
Compression bar (6), hydraulic stem (6) upper end are connected to the outer layer sleeve outer wall, and hydraulic stem (6) lower end is connected to hydraulic drive
Dynamic device.
6. automatic Bulk Grain sampling sharp-pointed tube according to claim 3, which is characterized in that the minor details of the telescopic piece-like tube (3)
Multiple apertures are provided on the tube wall of interior piece-like tube (31), percent opening is 10%~25%.
7. automatic Bulk Grain sampling sharp-pointed tube according to claim 1, which is characterized in that the walking mechanism (1) is crawler type.
8. automatic Bulk Grain sampling sharp-pointed tube according to claim 1, which is characterized in that the grain outlet of the food-suction main machine (4) is logical
It crosses electrically operated valve (41) and is connected to the sample storage storehouse (5).
9. automatic Bulk Grain sampling sharp-pointed tube according to claim 1, which is characterized in that the hand-held remote controller (7) includes left and right
Travelling control handle (71), front and back travelling control handle (72), hydraulic stem rotate horizontally control handle (73), hydraulic stem vertically with
Horizontality adjustment handle (74), piece-like tube extension and contraction control handle (75), piece-like tube move up and down control handle (76), inhale grain master
Machine switch knob (77) and grain outlet switch handle of valve (78)；
Left and right directions is mobile when the left and right travelling control handle (71) is for controlling the walking of automatic Bulk Grain sampling sharp-pointed tube；
Front-rear direction is mobile when the front and back travelling control handle (72) is for controlling the walking of automatic Bulk Grain sampling sharp-pointed tube；
The hydraulic stem rotates horizontally the horizontal rotation that control handle (73) is used to control hydraulic stem (6)；
Hydraulic stem vertical and horizontal state adjustment handle (74) is for controlling hydraulic stem (6) in plumbness and horizontality
Between convert；
The piece-like tube extension and contraction control handle (75) is led between the outer layer sleeve and the adjacent interior piece-like tube for controlling
It crosses relative rotation to stretch, be stretched between each adjacent interior piece-like tube by relative rotation；
The piece-like tube moves up and down control handle (76) for controlling telescopic piece-like tube (3) rise and fall operation；
The food-suction main machine switch button (77) is for controlling food-suction main machine (4) switch；
The grain outlet switch handle of valve (78) opens or closes the second connecting tube (9) for control valve (41), third connects
Take over the grain outlet interface of (10) and food-suction main machine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503097.6A CN108931396B (en) | 2018-05-23 | 2018-05-23 | Automatic bulk grain sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810503097.6A CN108931396B (en) | 2018-05-23 | 2018-05-23 | Automatic bulk grain sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108931396A true CN108931396A (en) | 2018-12-04 |
| CN108931396B CN108931396B (en) | 2021-03-26 |
Family
ID=64449140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810503097.6A Active CN108931396B (en) | 2018-05-23 | 2018-05-23 | Automatic bulk grain sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108931396B (en) |
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| CN107063753A (en) * | 2017-04-26 | 2017-08-18 | 江西欧范医疗器械有限公司 | A kind of mixing sampling needle mechanism for sample analysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201348576Y (en) * | 2009-01-13 | 2009-11-18 | 林新光 | Granary sampler |
| CN201555727U (en) * | 2009-10-26 | 2010-08-18 | 国家粮食储备局郑州科学研究设计院 | Multifunctional sample skewering machine |
| CN202082220U (en) * | 2011-05-13 | 2011-12-21 | 咸世一 | Locking button for telescopic rod |
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| CN205333114U (en) * | 2016-01-08 | 2016-06-22 | 王志远 | Probe is piled to scalable hydraulic pressure grain |
| CN205679418U (en) * | 2016-04-21 | 2016-11-09 | 陈义飞 | A kind of telescopic grain sampling sharp-pointed tube |
| CN105890922A (en) * | 2016-06-21 | 2016-08-24 | 王同国 | Movable automatic grain sampling vehicle |
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| CN107063753A (en) * | 2017-04-26 | 2017-08-18 | 江西欧范医疗器械有限公司 | A kind of mixing sampling needle mechanism for sample analysis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108931396B (en) | 2021-03-26 |
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