CN113155533B - Soybean sampling device and sampling method - Google Patents
Soybean sampling device and sampling method Download PDFInfo
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- CN113155533B CN113155533B CN202110423542.XA CN202110423542A CN113155533B CN 113155533 B CN113155533 B CN 113155533B CN 202110423542 A CN202110423542 A CN 202110423542A CN 113155533 B CN113155533 B CN 113155533B
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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
Abstract
The invention relates to the technical field of grain detection, in particular to a soybean sampling device and a sampling method, wherein the soybean sampling device comprises a sampling cylinder and a handle, and the handle is connected with a pull rod in the sampling cylinder; a feeding port is formed above the sampling cylinder, and a port sampling part is arranged in the feeding port of the sampling cylinder; a discharge hole is formed below the sampling cylinder, one side of the discharge hole of the sampling cylinder is connected with a fixed support, and a stop block is arranged at the discharge hole of the sampling cylinder; when the device is used for sampling, soybean sampling can be realized by operating the handle; the soybean storage area has a simple structure, is convenient to operate, and can sample the deep layer of a soybean storage area with a certain area and depth.
Description
Technical Field
The invention relates to the technical field of grain detection, in particular to a soybean sampling device and a sampling method.
Background
As an economic crop, soybeans have wide planting areas in China, and the quality of the soybeans determines the price and the application of the soybeans, so that the correct judgment of the quality is very important. The content of soybean protein and fat is an important index of soybean quality, and is an important reference index in quality breeding, purchasing and trading of soybeans. In recent years, with the application of rapid detection means such as near-infrared nondestructive detection technology and the like, the soybean quality detection efficiency is greatly improved, and the rapidness and the batch of the soybean quality detection are realized. However, the conventional soybean sampling process usually adopts manual sampling, the sampling process is complicated, the efficiency is low, and particularly, when a large amount of samples are sampled, because the soybean storage area has a certain area and depth, the surface is usually involved in the manual sampling, the sampling is difficult for deep and far away positions, and the backward sampling means seriously restricts the soybean quality detection efficiency. Therefore, there is a need for a rapid and long-term device for sampling deep soybeans within a certain distance.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a soybean sampling device and a sampling method.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a soybean sampling device comprises a sampling cylinder, wherein a puncture cone is arranged at one end of the sampling cylinder, a slide way is arranged in the sampling cylinder, a handle is arranged at the other end of the sampling cylinder, the handle is fixed on the sampling cylinder through an auxiliary fixing block, the handle is fixedly connected with a pull rod arranged in the sampling cylinder, and the pull rod can be driven to move by holding the handle tightly; a feeding port is formed in the upper portion of the sampling tube, and a sampling part is further arranged in the sampling tube.
Soybean sampling device still includes the sampling box, placed the sample bowl in the sampling box, sampling box sliding connection lid, be equipped with the extension spring between lid and the sampling box, like this when the dog blocks the lid, the extension spring is elongated, can also connect through the extension spring between lid and the sampling box, the height that the lid was covered to the sampling box is greater than the dog arrives fixed bolster's distance, the height of sampling box is less than the dog arrives fixed bolster's distance can ensure like this when pushing the sampling box that the dog can only block the lid motion and can not block the sampling box motion.
Furthermore, the handle is divided into a fixed part and a movable part, the fixed part and the movable part are directly provided with springs, the fixed part is fixedly connected with the fixed block, the movable part is connected with the pull rod, and the springs mainly play a role in resetting.
Furthermore, the sampling part comprises a rack arranged on one side of the feeding port, the rack is meshed with an arc gear, the arc gear is fixedly connected with an opening guide rod, and a rotating shaft I is arranged in the opening guide rod; the sampling component further comprises a right-angle rotating rod, a rotating shaft II is arranged at the inflection point of the right-angle rotating rod, annular transmission grooves are formed in two ends of the right-angle rotating rod, the lower annular transmission groove is connected with the end of a transmission shaft, the transmission shaft end is fixedly connected with the pull rod, the upper annular transmission groove is connected with a thimble, a thimble groove is formed in the other side of the feeding port, namely the side without the rack, the thimble groove is matched with the thimble, and the thimble groove can play a limiting role in limiting the thimble so that the thimble can only move up and down and cannot move in other directions; the upper part of the right-angle rotating rod is provided with an opening, the opening guide rod penetrates through the opening of the right-angle rotating rod, and the other end of the opening guide rod is fixedly connected with the pull rod, so that the opening has a limiting effect on the opening guide rod, and the opening guide rod can only move left and right within the range of the opening; the below of sampling tube is opened there is the discharge gate, the sampling tube is connected with the fixed bolster in one side of discharge gate, the sampling tube is equipped with the dog in discharge gate department, and the dog keeps off the lid in the outside when being used for pushing the sampling box, therefore highly should not cross the lid.
Preferably, the handle is fixed on the sampling tube through the auxiliary fixing block, so that the handle part can be conveniently detached and replaced.
Preferably, the outer layer of the pull rod is sleeved with a pull rod protection tube, the pull rod protection tube is fixed in the sampling cylinder through a fixed connecting plate, and the pull rod protection tube can play a role in protection and prevent the damage of the pull rod in the falling process of the soybean sample.
Preferably, the top of the slide way is arc-shaped, so that the soybean sample in the sampling cylinder can be quickly put into the sampling bowl.
Preferably, the feeding port is further provided with a protective brush on one side of the rack, the protective brush is in contact with the rack, and therefore the rack can be protected and cleaned when the rack moves.
Preferably, a feeding port protective sleeve is arranged above the feeding port and is fixedly connected with the rack, and the feeding port protective sleeve is mainly used for protecting the internal mechanism.
Preferably, the sampling tube is opened at one side of pan feeding mouth rack has the rack groove, the rack groove with the rack cooperation can avoid like this that the rack is placed in the sampling tube surface, prolongs the life of rack.
Preferably, the surface of the sampling cylinder is marked with scale lines, so that the sampling depth can be conveniently determined when a large pile of soybean samples are sampled.
A soybean sampling method adopts the soybean sampling device, and specifically comprises the following steps:
s1: according to the scale marks on the sampling cylinder, the adjusting device reaches a preset sampling position;
s2: placing the sampling box on the fixed support, opening a box cover on the sampling box under the action of the stop block, and pulling the tension spring to open;
s3: keeping the sampling cylinder stationary, pinching the handle and compressing the spring, wherein the movable handle part of the handle drives the pull rod to move leftwards, so as to drive the lower end of an opening guide rod fixed on the handle to move leftwards, the opening guide rod rotates around a first rotating shaft to drive an arc gear to rotate clockwise, under the action of the arc gear, a rack is driven to move into a rack groove, the rack drives a feeding port protective sleeve to open, a feeding port is opened, and a sample falls into the sampling device; meanwhile, in order to avoid accumulation at the material inlet when the sample flows downwards, the pull rod moves leftwards and simultaneously drives the transmission shaft end to move leftwards so as to drive the right-angle transmission rod to rotate clockwise around the second rotating shaft, and the upper half part of the right-angle transmission rod drives the ejector pin to move upwards in the ejector pin groove;
s4: the handle is released, the movable part of the handle moves downwards under the action of the spring reset, the pull rod moves rightwards, and the thimble is driven to move downwards, and the rack and the feeding port protective sleeve move leftwards; at the same time, the sample in the device slides downwards along the slide way;
s5: the sample falls into the sampling arc-shaped groove, slides to the discharge port under the action of inclination and falling gravity, and enters the sampling bowl through the discharge port;
s6: repeating the steps S3-S5 to enable the thimble, the rack and the feeding port protective sleeve to move repeatedly, and further enable the feeding port sample to continuously drop downwards;
s7: when the sampling bowl is nearly full, the frequency of pinching and loosening of the handle is controlled, when the sampling bowl is full, the handle is in a loosening state, the ejector pin falls back at the moment, and the feeding port is sealed by the feeding port protective sleeve;
s8: after the sampling bowl is filled with the sample, the sampling box is pulled outwards, and under the action of the tension spring, the box cover covers the sample box, so that the sampling bowl containing the sample is sealed in the sample box, and the sampling work is completed.
Compared with the prior art, the invention has the beneficial effects that: (1) Through the matching of the handle, the pull rod and the sampling part, the linkage mechanism of the connecting rod is effectively utilized, and simultaneously, the scale marks on the surface of the sampling cylinder are matched, so that the sampling of different depths and different areas can be realized, the sampling is more balanced, and the test data is more effective; (2) The device has simple structure and convenient operation, can realize the soybean sampling process only by operating the handle, improves the sampling efficiency and solves the problem that deep samples are difficult to sample; (3) By arranging the structures such as the dustproof brush, the pull rod protection tube, the feeding port protection sleeve and the like, other structures in the device are protected, and the service life of the device is prolonged; (4) The auxiliary fixing block is arranged to connect the handle and the sampling cylinder, so that the handle is convenient to detach, replace and use; (5) Set up to the arc through the top with the slide, make the soybean sample reach the sample bowl from the pan feeding mouth more fast in, improved sampling efficiency.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the internal structure of the present apparatus.
Fig. 2 is a partial enlarged view of a sampling part of the device.
Fig. 3 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.
Fig. 4 is a schematic diagram of a sampling box, but without a sampling bowl structure.
Description of reference numerals:
1, sampling a sample tube; 2, a handle; 3, a spring; 4, auxiliary fixing blocks; 5, a pull rod protection tube; 6, a pull rod; 7 fixing the connecting plate; 8 a sampling member; 801 thimble; 802 thimble grooves; 803 a protective brush; 804 a rack; 805 arc gears; 806 a rotating shaft I;807 opening the guide bar; 808 rotating shaft II;809 right-angle rotating rods; 810 an annular drive groove; 811 drive shaft end; 812 rack slots; 9, puncturing a awl; 10 a feed inlet protective sleeve; 11 a slideway; 12 fixing a bracket; 13 sampling bowl; 14 sampling the box; 15, a stop block; 16 tension springs; 17, covering the box; 18 material inlet.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
The embodiment provides a soybean sampling device, which comprises a sampling cylinder 1, wherein a puncture cone 9 is arranged at one end of the sampling cylinder 1, a slide way 11 is arranged in the sampling cylinder 1, a handle 2 is arranged at the other end of the sampling cylinder 1, the handle 2 comprises a fixed part and a movable part, a spring 3 is arranged between the fixed part and the movable part, the fixed part is fixedly connected with a needle cylinder, and the movable part is fixedly connected with a pull rod 6 arranged in the sampling cylinder 1; a feeding port 18 is formed above the sampling barrel 1, a sampling part 8 is further arranged in the sampling barrel 1, the sampling part 8 comprises a rack 804 arranged on one side of the feeding port 18, an arc-shaped gear 805 is meshed with the rack 804, the arc-shaped gear 805 is fixedly connected with an opening guide rod 807, and a rotating shaft I806 is arranged in the opening guide rod 807; the sampling part 8 further comprises a right-angle rotating rod 809, a rotating shaft II808 is arranged at the inflection point of the right-angle rotating rod 809, annular transmission grooves 810 are arranged at two ends of the right-angle rotating rod 809, the lower annular transmission groove 810 is connected with a transmission shaft end 811, the transmission shaft end 811 is fixedly connected with the pull rod 6, the upper annular transmission groove 810 is connected with a thimble 801, a thimble groove 802 is arranged at the other side of the feeding port 18, and the thimble groove 802 is matched with the thimble 801; an opening is formed in the upper part of the right-angle rotating rod 809, the opening guide rod 807 penetrates through the opening of the right-angle rotating rod 809, and the other end of the opening guide rod 807 is fixedly connected with the pull rod 6; the discharge gate is opened to the below of sampling tube 1, and one side of sampling tube 1 at the discharge gate is connected with fixed bolster 12, and sampling tube 1 is equipped with dog 15 in the discharge gate department.
Soybean sampling device still includes sampling box 14, has placed sample bowl 13 in the sampling box 14, and sampling box 14 sliding connection lid 17 is equipped with extension spring 16 between lid 17 and the sampling box 14, and the height that sampling box 14 covered lid 17 is greater than the distance of dog 15 to fixed bolster 12, and the height of sampling box 14 is less than the distance of dog 15 to fixed bolster 12.
The embodiment also provides a soybean sampling method, and the soybean sampling device adopting the soybean sampling method specifically comprises the following steps:
s1: adjusting the device to a predetermined sampling position;
s2: placing the sampling box 14 on the fixed bracket 12, opening a box cover 17 on the sampling box 14 under the action of the stop block 15, and pulling the tension spring 16 to open;
s3: keeping the sampling cylinder 1 still, pinching the handle 2 and compressing the spring 3, wherein the movable handle 2 of the handle 2 drives the pull rod 6 to move leftwards to drive the lower end of the opening guide rod 807 fixed above to move leftwards, the opening guide rod 807 rotates around the first rotating shaft to drive the arc gear 805 to rotate clockwise, under the action of the arc gear 805, the rack 804 is driven to move into the rack groove 812, the rack 804 drives the feeding port 18 to be opened, and a sample falls into the sampling device; meanwhile, in order to prevent the sample from accumulating at the material inlet 18 when flowing downwards, the pull rod 6 moves leftwards and also drives the transmission shaft end 811 to move leftwards, so as to drive the right-angle transmission rod to rotate clockwise around the second rotating shaft, and the upper half part of the right-angle transmission rod drives the thimble 801 to move upwards in the thimble groove 802;
s4: when the handle 2 is released, the movable part of the handle 2 moves downwards under the reset action of the spring 3, the pull rod 6 moves rightwards, and the thimble 801 is driven to move downwards, and the rack 804 moves leftwards; at the same time, the sample in the device slides downwards along the slide way 11;
s5: the sample falls into the sampling arc-shaped groove, slides to the discharge port under the action of inclination and falling gravity, and enters the sampling bowl 13 through the discharge port;
s6: repeating the steps S3 to S5 to enable the thimble 801 and the rack 804 to move repeatedly, so that the sample at the feed port 18 continuously drops downwards;
s7: when the sampling bowl 13 is nearly full, the pinching-loosening frequency of the handle 2 is controlled, when the sampling bowl is full, the handle 2 is in a loosening state, at the moment, the thimble 801 falls back, and the rack 804 moves to seal the feeding port;
s8: after the sampling bowl 13 is full, the sampling box 14 is pulled outwards, and the box cover 17 covers the sampling box 14 under the action of the tension spring 16, so that the sampling bowl 13 containing the sample is sealed in the sampling box 14, and the sampling work is completed.
Example two
As shown in fig. 1 to 4, the present embodiment provides a soybean sampling device, which includes all the structures described in the first embodiment, and unlike the first embodiment, the soybean sampling device further includes the following structures or features: a pull rod protection tube 5 is sleeved on the outer layer of the pull rod 6, and the pull rod protection tube 5 is fixed in the sampling cylinder 1 through a fixed connecting plate 7; the top of the slideway 11 is arc-shaped; the feeding port 18 is also provided with a protective brush 803 on one side of the rack 804, and the protective brush 803 is in contact connection with the rack 804; a feeding port protective sleeve 10 is arranged above the feeding port 18, and the feeding port protective sleeve 10 is fixedly connected with the rack 804; a rack groove 812 is formed in one side of the rack 804 of the feeding port 18 of the sampling tube 1, and the rack groove 812 is matched with the rack 804; the surface of the sampling tube 1 is marked with scale marks.
The embodiment provides a soybean sampling method, which adopts the soybean sampling device, and specifically comprises the following steps:
s1: according to the scale marks on the sampling cylinder 1, the adjusting device reaches a preset sampling position;
s2: placing the sampling box 14 on the fixed bracket 12, opening a box cover 17 on the sampling box 14 under the action of the stop block 15, and pulling the tension spring 16 to open;
s3: keeping the sampling cylinder 1 still, pinching the handle 2 and compressing the spring 3, wherein the movable handle 2 of the handle 2 drives the pull rod 6 to move leftwards to drive the lower end of the opening guide rod 807 fixed above to move leftwards, the opening guide rod 807 rotates around the first rotating shaft to drive the arc gear 805 to rotate clockwise, under the action of the arc gear 805, the rack 804 is driven to move into the rack groove 812, the rack 804 drives the feeding port protective sleeve 10 to open, the feeding port 18 is opened, and a sample falls into the sampling device; meanwhile, in order to prevent the sample from accumulating at the material inlet 18 when flowing downwards, the pull rod 6 moves leftwards and simultaneously drives the transmission shaft end 811 to move leftwards, so as to drive the right-angle transmission rod to rotate clockwise around the second rotating shaft, and the upper half part of the right-angle transmission rod drives the thimble 801 to move upwards in the thimble groove 802;
s4: the handle 2 is released, the movable part of the handle 2 moves downwards under the reset action of the spring 3, and the pull rod 6 moves rightwards to drive the thimble 801 to move downwards and drive the rack 804 and the feed inlet protective sleeve 10 to move leftwards; at the same time, the sample in the device slides downwards along the slide way 11;
s5: the sample falls into the sampling arc-shaped groove, slides to the discharge port under the action of inclination and falling gravity, and enters the sampling bowl 13 through the discharge port;
s6: repeating the steps S3 to S5 to enable the thimble 801, the rack 804 and the feeding port protective sleeve 10 to move repeatedly, and further enable the sample at the feeding port 18 to continuously drop downwards;
s7: when the sampling bowl 13 is nearly full, the frequency of pinching and loosening of the handle 2 is controlled, when the sampling bowl is full, the handle 2 is in a loosening state, the thimble 801 falls back, and the feeding port protective sleeve 10 seals the feeding port 18;
s8: after the sampling bowl 13 is full, the sampling box 14 is pulled outwards, and the box cover 17 covers the sampling box 14 under the action of the tension spring 16, so that the sampling bowl 13 containing the sample is sealed in the sampling box 14, and the sampling work is completed.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a soybean sampling device, includes sampler barrel (1), the one end of sampler barrel (1) is equipped with puncture awl (9), be equipped with slide (11), its characterized in that in sampler barrel (1): the other end of the sampling tube (1) is provided with a handle (2), the handle (2) is fixed on the sampling tube (1) through an auxiliary fixing block (4), and the handle is fixedly connected with a pull rod (6) arranged in the sampling tube (1); a feeding port (18) is formed above the sampling cylinder (1), and a sampling part (8) is further arranged in the sampling cylinder (1); a discharge hole is formed in the lower portion of the sampling cylinder (1), a fixed support (12) is connected to one side of the discharge hole of the sampling cylinder (1), and a stop block (15) is arranged at the discharge hole of the sampling cylinder (1);
the soybean sampling device further comprises a sampling box (14), a sampling bowl (13) is placed in the sampling box (14), the sampling box (14) is connected with a box cover (17) in a sliding mode, a tension spring (16) is arranged between the box cover (17) and the sampling box (14), the height of the box cover (17) covered on the sampling box (14) is larger than the distance from the stop block (15) to the fixing support (12), and the height of the sampling box (14) is smaller than the distance from the stop block (15) to the fixing support (12);
the handle is divided into a fixed part and a movable part, and a spring (3) is arranged between the fixed part and the movable part;
the sampling part (8) comprises a rack (804) arranged on one side of the feeding port (18), the rack (804) is meshed with an arc-shaped gear (805), the arc-shaped gear (805) is fixedly connected with an opening guide rod (807), and a rotating shaft I (806) is arranged in the opening guide rod (807); the sampling component (8) further comprises a right-angle rotating rod (809), a rotating shaft II (808) is arranged at the inflection point of the right-angle rotating rod (809), annular transmission grooves (810) are formed in two ends of the right-angle rotating rod (809), the lower annular transmission groove (810) is connected with a transmission shaft end (811), the transmission shaft end (811) is fixedly connected with the pull rod (6), the upper annular transmission groove (810) is connected with a thimble (801), a thimble groove (802) is formed in the other side of the feeding port (18), and the thimble groove (802) is matched with the thimble (801); the upper portion of right angle dwang (809) is opened there is the opening, opening guide arm (807) pass the opening of right angle dwang (809), the other end fixed connection of opening guide arm (807) pull rod (6).
2. A soybean sampling device as defined in claim 1, wherein: the outer layer of the pull rod (6) is sleeved with a pull rod protection tube (5), and the pull rod protection tube (5) is fixed in the sampling cylinder (1) through a fixed connection plate (7).
3. A soybean sampling device as defined in claim 1, wherein: the top of the slideway (11) is arc-shaped.
4. The soybean sampling device of claim 1, wherein: the feeding port (18) is further provided with a protective brush (803) on one side of the rack (804), and the protective brush (803) is in contact connection with the rack (804).
5. The soybean sampling device of claim 1, wherein: a feeding port protective sleeve (10) is arranged above the feeding port (18), and the feeding port protective sleeve (10) is fixedly connected with the rack (804).
6. The soybean sampling device of claim 1, wherein: a rack groove (812) is formed in one side of a rack (804) of the feeding port (18) of the sampling tube (1), and the rack groove (812) is matched with the rack (804).
7. The soybean sampling device of claim 1, wherein: the surface of the sampling tube (1) is marked with scale marks.
8. A soybean sampling method, characterized in that the soybean sampling device of any one of claims 1 to 7 is adopted, and the method comprises the following steps:
s1: according to the scale marks on the sampling cylinder (1), the adjusting device reaches a preset sampling position;
s2: placing the sampling box (14) on the fixed support (12), opening a box cover (17) on the sampling box (14) under the action of the stop block (15), and pulling the tension spring (16) to open;
s3: keeping the position of a sampling cylinder (1) still, pinching a handle (2), compressing a spring (3), wherein a movable handle (2) part of the handle (2) drives a pull rod (6) to move leftwards to drive the lower end of an opening guide rod (807) fixed above to move leftwards, the opening guide rod (807) rotates around a first rotating shaft to drive an arc gear (805) to rotate clockwise, under the action of the arc gear (805), a rack (804) is driven to move into a rack groove (812), the rack (804) drives a feeding port protective sleeve (10) to be opened, a feeding port (18) is opened, and a sample falls into a sampling device; meanwhile, in order to avoid accumulation at the material inlet (18) when the sample flows downwards, the pull rod (6) moves leftwards and simultaneously drives the transmission shaft end (811) to move leftwards, the right-angle transmission rod is driven to rotate clockwise around the second rotating shaft, and the upper half part of the right-angle transmission rod drives the ejector pin (801) to move upwards in the ejector pin groove (802);
s4: releasing the handle (2), moving the movable part of the handle (2) downwards under the reset action of the spring (3), moving the pull rod (6) rightwards, and driving the thimble (801) to move downwards, and driving the rack (804) and the feeding port protective sleeve (10) to move leftwards; at the same time, the sample in the device slides downwards along the slide way (11);
s5: the sample falls into the sampling arc-shaped groove, slides to the discharge port under the action of inclination and falling gravity, and enters the sampling bowl (13) through the discharge port;
s6: repeating the steps S3 to S5 to enable the thimble (801), the rack (804) and the feeding port protective sleeve (10) to move repeatedly, and further enable the sample at the feeding port (18) to continuously drop downwards;
s7: when the sampling bowl (13) is nearly full, the frequency of pinching and loosening of the handle (2) is controlled, when the sampling bowl is full, the handle (2) is in a loosening state, the thimble (801) falls back at the moment, and the feeding port protective sleeve (10) seals the feeding port (18);
s8: after the sampling bowl (13) is filled, the sampling box (14) is pulled outwards, and under the action of the tension spring (16), the box cover (17) covers the sampling box (14), so that the sampling bowl (13) containing the sample is sealed in the sampling box (14) to finish sampling work.
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| CN202110423542.XA CN113155533B (en) | 2021-04-20 | 2021-04-20 | Soybean sampling device and sampling method |
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| CN202110423542.XA CN113155533B (en) | 2021-04-20 | 2021-04-20 | Soybean sampling device and sampling method |
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| WO2013026881A1 (en) * | 2011-08-22 | 2013-02-28 | Tornum Ab | Sampling device for free flowing particulate material |
| CN204461786U (en) * | 2015-04-03 | 2015-07-08 | 梅县梅雁旋窑水泥有限公司 | The sampler of novel concrete grog |
| CN206960180U (en) * | 2017-04-27 | 2018-02-02 | 中国石油天然气股份有限公司 | Holostrome sampler |
| CN109668756B (en) * | 2019-01-18 | 2021-04-02 | 温州市恒业建设监理有限公司 | Engineering is managed with powder sample ration collection system |
| CN210953478U (en) * | 2019-10-08 | 2020-07-07 | 黑龙江省农业科学院黑河分院 | A sampler for soybean detects |
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