CN112304689B - Soil sampling device for metal detection and using method - Google Patents
Soil sampling device for metal detection and using method Download PDFInfo
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- CN112304689B CN112304689B CN202011381735.5A CN202011381735A CN112304689B CN 112304689 B CN112304689 B CN 112304689B CN 202011381735 A CN202011381735 A CN 202011381735A CN 112304689 B CN112304689 B CN 112304689B
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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
- G01N1/04—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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention discloses a soil sampling device for metal detection and a using method thereof, and relates to the technical field of soil sampling. This metal detects uses soil sampling device and application method, shrink through electric putter makes the baffle move left, then make the nozzle of baffle no longer shutoff sampling tube, make soil can get into in the sampling tube, forward through motor two rotates the rotation that drives drive sprocket, then under the drive action of chain one, make three driven sprocket and three screw rod two realize synchronous rotation, screw rod two is rotating the cooperation that the in-process passes through slide bar and sliding sleeve, make the sampling tube steady move right and insert in soil, then make the soil of the different degree of depth get into respectively in the three sampling tube, thereby realize taking a sample simultaneously to the soil of the different degree of depth, sampling process convenient and fast, time saving and labor saving, convenient to use person uses.
Description
Technical Field
The invention relates to the technical field of soil sampling, in particular to a soil sampling device for metal detection and a using method thereof.
Background
When carrying out metal detection to soil, need use soil detection device to take a sample to soil to in the comprehensive distribution condition of knowing metal in the soil, when metal content in analysis soil, should avoid using the metal utensil to take a sample.
The sampling device that has now usually inserts the sampler barrel and takes a sample in the soil when using, need take out soil from the sampler barrel after the sample finishes, need artifically separate different degree of depth soil sample after taking out, and not only troublesome poeration like this wastes time and energy, still inefficiency to bring inconvenience for user's use, can not satisfy user's user demand.
Therefore, we propose a soil sampling device for metal detection to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a soil sampling device for metal detection and a using method thereof, and solves the problems that the prior sampling device usually inserts a sampling cylinder into soil for sampling, the soil needs to be taken out from the sampling cylinder after sampling is finished, and soil samples at different depths need to be separated manually after being taken out, so that the operation is troublesome, time and labor are wasted, and the efficiency is low.
(II) technical scheme
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a soil sampling device for metal detection, includes the bottom plate, the last fixed surface of bottom plate is connected with the U template, all seted up the spout in the left side board and the right side board of U template, and equal sliding connection has the slider in two spouts, and the equal fixedly connected with connecting plate of the opposite face of two sliders, and the opposite face of two connecting plates respectively with the left surface and the right flank fixed connection of a rectangular cylinder, the joint has nut one in the connecting plate, nut female connection has screw rod one, bearing one has all been cup jointed to screw rod one's bottom and top optical axis, and two bearing one do not the joint in the last side board of bottom plate and U template, fixed mounting has motor one on the inclined to one position of U template left surface, the output shaft of motor one and the top optical axis of two screw rods one have all cup jointed the sprocket, and three sprocket is connected through two transmissions of same root chain.
Three through-holes have been seted up in proper order down from last to the right side wall of a rectangle section of thick bamboo, and equal sliding connection has a sampler barrel in the three through-hole, fixedly connected with sliding sleeve and nut two respectively at the front and the back of a sampler barrel, sliding connection has the slide bar in the sliding sleeve, the both ends of slide bar respectively with the inner wall left side and the inner wall right side fixed connection of a rectangle section of thick bamboo, two female threaded connection of nut have screw rod two, all cup jointed bearing two on the both ends optical axis about screw rod two, and two respectively joints of two bearings are in the left side wall and the right side wall of a rectangle section of thick bamboo, driven sprocket has been cup jointed to the left end optical axis department of screw rod two, fixed mounting has motor two on the position on the upper side of rectangle section of thick bamboo inner wall right side, the drive sprocket has been cup jointed on motor two's the output shaft, through same chain drive connection between drive sprocket and the three driven sprocket, the inner wall left side fixed mounting of a sampler barrel has electric putter, electric putter's flexible end and baffle fixed connection, the inner wall sliding connection of baffle and sampler barrel.
Preferably, pulleys are fixedly connected to four corners of the bottom plate, and hand-push frames are fixedly mounted on the right positions of the upper surface of the bottom plate.
Preferably, a rectangular through hole is formed in the bottom plate, a conical hopper is arranged in the rectangular through hole, and the top of the conical hopper is fixedly connected with the bottom of the rectangular cylinder.
Preferably, a storage battery is fixedly mounted at a position on the left of the upper surface of the bottom plate, and a control box is fixedly mounted at a position on the upper right side of the U-shaped plate.
Preferably, the output end of the storage battery is electrically connected with the incoming end of the control box, and the output end of the control box is electrically connected with the incoming ends of the first motor, the second motor and the three electric push rods respectively.
Preferably, the first motor and the second motor are both positive and negative motors.
A use method of a soil sampling device for metal detection comprises the following steps:
s1, when the device needs to be used, firstly, the device is moved to a specified place by using a hand-push frame, the conical hopper corresponds to soil needing to be sampled, then, the forward rotation of a first motor is controlled by a control box, two first screws are synchronously rotated in the forward direction by matching of a first motor, three chain wheels and a second chain, the first screw moves a first nut, a connecting plate, a rectangular cylinder and the conical hopper downwards in the rotating process, and the conical hopper and the rectangular cylinder gradually go deep into the soil;
s2, controlling the contraction of the three electric push rods through the control box, enabling the baffle to move leftwards due to the contraction of the electric push rods, enabling the baffle not to block a cylinder opening of the sampling cylinder any more, enabling soil to enter the sampling cylinder, controlling the forward rotation of the motor II through the control box, driving the driving chain wheel to rotate due to the forward rotation of the motor II, enabling the three driven chain wheels and the three screw rods II to synchronously rotate under the transmission action of the chain I, enabling the sampling cylinder to stably move rightwards and be inserted into the soil due to the matching of the sliding rod and the sliding sleeve in the rotation process of the screw rods II, and enabling the soil with different depths to enter the three sampling cylinders respectively, so that the soil with different depths can be sampled simultaneously;
s3, after the sample is accomplished, reverse rotation through control box control motor two, then make the sampler barrel remove and get into in the rectangular cylinder, reverse rotation through control box control motor one after that, then make rectangular cylinder and toper fill move up, and make the toper fill break away from soil, at last through control box control electric putter 'S extension, electric putter' S extension makes the baffle move to the right, and then can release the sampler barrel with the soil in the sampler barrel, thereby the workman of being convenient for takes out the soil of the different degree of depth.
(III) advantageous effects
The invention has the beneficial effects that:
1. this metal detects uses soil sampling device and application method, shrink through electric putter makes the baffle move left, then make the nozzle of baffle no longer shutoff sampling tube, make soil can get into in the sampling tube, forward through motor two rotates the rotation that drives drive sprocket, then under the drive action of chain one, make three driven sprocket and three screw rod two realize synchronous rotation, screw rod two is rotating the cooperation that the in-process passes through slide bar and sliding sleeve, make the sampling tube steady move right and insert in soil, then make the soil of the different degree of depth get into respectively in the three sampling tube, thereby realize taking a sample simultaneously to the soil of the different degree of depth, sampling process convenient and fast, time saving and labor saving, convenient to use person uses.
2. This metal detects uses soil sampling device and application method, through motor one, the cooperation of three sprocket and chain two, make two screw rods one realize synchronous reverse rotation, screw rod one makes nut one at the rotation in-process, the connecting plate, rectangle section of thick bamboo and toper fill upward movement, and make the toper fill break away from soil, then the extension through electric putter makes the baffle remove right, and then can release the sampling tube with the soil in the sampling tube, thereby the workman of being convenient for takes out the soil of the different degree of depth, it is simple and convenient to take out the process, the efficiency of soil sample has been improved, user's user demand is satisfied.
3. This soil sampling device and application method for metal detection through setting up electric putter and baffle, when electric putter extension, baffle shutoff sampling tube, then at the descending in-process of rectangle section of thick bamboo, soil can not get into in the sampling tube, and then avoids the problem that different levels' soil adulterates each other.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic top sectional view of a rectangular cylinder according to the present invention;
FIG. 4 is a schematic perspective view of a rectangular cylinder according to the present invention;
fig. 5 is a schematic perspective view of the sampling tube of the present invention.
In the figure: the device comprises a base plate 1, a U-shaped plate 2, a screw rod I3, a chain I4, a sampling cylinder 5, a conical hopper 6, an electric push rod 7, a rectangular through hole 8, a rectangular cylinder 9, a screw rod II 10, a driven chain wheel 11, a sliding chute 12, a sliding block 13, a motor I14, a motor II 15, a nut I16, a driving chain wheel 17, a motor II 18, a chain wheel 19, a connecting plate 20, a through hole 21, a baffle plate 22, a hand-push frame 23, a pulley 24, a storage battery 25, a nut II 26, a sliding rod 27, a sliding sleeve 28 and a control box 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a soil sampling device for metal detection, including bottom plate 1, bottom plate 1's last fixed surface is connected with U template 2, spout 12 has all been seted up in the left side board and the right side board of U template 2, and equal sliding connection has slider 13 in two spout 12, and the equal fixedly connected with connecting plate 20 of the opposite face of two slider 13, through setting up spout 12 and slider 13, play the restriction effect to connecting plate 20, make connecting plate 20 have stability at the in-process that reciprocates, and the opposite face of two connecting plates 20 respectively with the left surface and the right flank fixed connection of a rectangular cylinder 9, the joint has a nut 16 in connecting plate 20, a 16 female connection of nut has screw rod one 3, screw rod one 3 makes nut one 16 at the rotation in-process, connecting plate 20, rectangular cylinder 9 and toper fill 6 and move up, and make toper fill 6 break away from soil, the bottom of screw rod one 3 and top optical axis all cup joint have a bearing one, and two bearings one branch joints in bottom plate 1 and U template 2's last curb plate, U2 left surface is on the inclined to the upward position fixed mounting has a motor 14, the output shaft of a motor and two optical axes cup joint have a 3 all cup jointed 19, and the sprocket wheel is connected through two sprocket functions of same sprocket 15, it lies in that it: the first motor 14, the three chain wheels 19 and the second chain 15 are matched to enable the first two screws 3 to synchronously rotate reversely.
Three through-hole 21 has been seted up in proper order down on the right side wall of a rectangular cylinder 9 from last, and equal sliding connection has sampling cylinder 5 in the three through-hole 21, through setting up through-hole 21, the removal for sampling cylinder 5 provides the activity space, sampling cylinder 5's front and the back respectively fixedly connected with sliding sleeve 28 and two nuts 26, sliding connection has slide bar 27 in the sliding sleeve 28, slide bar 27's both ends respectively with the inner wall left side and the inner wall right side fixed connection of a rectangular cylinder 9, two 26 female connections of nut have screw rod two 10, screw rod two 10 is rotating the cooperation of in-process through slide bar 27 and sliding sleeve 28, make sampling cylinder 5 steady move and insert in the soil, then make the soil of the different degree of depth get into in three sampling cylinder 5 respectively, thereby realize taking a sample simultaneously to the soil of the different degree of depth, sampling process convenient and fast, the time and labor-saving, convenient to use person uses, all cup joints bearing two on two ends optical axis about screw rod two 10, and two respectively joints in the left side wall and the right side wall of a rectangular cylinder 9, and two bearing respectively joints are in the left side wall of a left end optical axis department of a rectangular cylinder 9 and a drive sprocket 11, it lies in the effect of a drive sprocket 17 and a drive sprocket on the same motor of a drive sprocket 17, it lies in the effect of a drive sprocket 17, it is connected on the same chain sprocket 17: the forward through two motors 18 rotates the rotation that drives driving sprocket 17, then under the transmission of a chain 4, make three driven sprocket 11 and two 10 realization synchronous rotations of three screw rod, the inner wall left side fixed mounting of sampler barrel 5 has electric putter 7, electric putter 7's flexible end and baffle 22 fixed connection, baffle 22 and sampler barrel 5's inner wall sliding connection, through setting up electric putter 7 and baffle 22, when electric putter 7 extends, baffle 22 shutoff sampler barrel 5, then at the decline in-process of a rectangular section of thick bamboo 9, soil can not get into in the sampler barrel 5, and then avoid the mutual problem of doping of different levels of soil.
The bottom four corners of the bottom plate 1 are fixedly connected with pulleys 24, a hand push frame 23 is fixedly mounted at the position, to the right, of the upper surface of the bottom plate 1, a rectangular through hole 8 is formed in the bottom plate 1, a conical hopper 6 is arranged in the rectangular through hole 8, the top of the conical hopper 6 is fixedly connected with the bottom of the rectangular barrel 9, a storage battery 25 is fixedly mounted at the position, to the left, of the upper surface of the bottom plate 1, a control box 29 is fixedly mounted at the position, to the upper right, of the U-shaped plate 2, an output end of the storage battery 25 is electrically connected with an access end of the control box 29, an output end of the control box 29 is electrically connected with a first motor 14, a second motor 18 and access ends of three electric push rods 7 respectively, and the first motor 14 and the second motor 18 are positive and negative motors respectively.
The method comprises the following operation steps:
s1, when the device needs to be used, firstly, the device is moved to a designated place by using a hand-push frame 23, the conical hopper 6 corresponds to soil needing to be sampled, then, the forward rotation of a first motor 14 is controlled by a control box 29, two first screw rods 3 are enabled to synchronously rotate forward by matching of the first motor 14, three chain wheels 19 and a second chain 15, the first screw rods 3 enable a first nut 16, a connecting plate 20, a rectangular cylinder 9 and the conical hopper 6 to move downwards in the rotating process, and the conical hopper 6 and the rectangular cylinder 9 are enabled to gradually go deep into the soil;
s2, controlling the contraction of the three electric push rods 7 through the control box 29, enabling the baffle plate 22 to move leftwards through the contraction of the electric push rods 7, enabling the baffle plate 22 not to block a tube opening of the sampling tube 5 any more, enabling soil to enter the sampling tube 5, controlling the forward rotation of the motor II 18 through the control box 29, enabling the motor II 18 to rotate forward to drive the driving chain wheel 17 to rotate, enabling the three driven chain wheels 11 and the three screw rods II 10 to rotate synchronously under the transmission action of the chain I4, enabling the screw rods II 10 to stably move rightwards and be inserted into the soil through the matching of the sliding rods 27 and the sliding sleeves 28 in the rotating process, enabling the soil at different depths to enter the three sampling tubes 5 respectively, and accordingly enabling the soil at different depths to be sampled simultaneously;
s3, after sampling is completed, the control box 29 controls the reverse rotation of the motor II 18, then the sampling cylinder 5 moves into the rectangular cylinder 9, then the control box 29 controls the reverse rotation of the motor I14, then the rectangular cylinder 9 and the conical hopper 6 move upwards, the conical hopper 6 is separated from soil, finally the control box 29 controls the extension of the electric push rod 7, the extension of the electric push rod 7 enables the baffle plate 22 to move rightwards, and then soil in the sampling cylinder 5 can be pushed out of the sampling cylinder 5, so that a worker can take out soil at different depths conveniently.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a soil sampling device for metal detection, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a U-shaped plate (2), sliding grooves (12) are formed in a left side plate and a right side plate of the U-shaped plate (2), sliding blocks (13) are connected in the two sliding grooves (12) in a sliding mode, connecting plates (20) are fixedly connected to opposite surfaces of the two sliding blocks (13), the opposite surfaces of the two connecting plates (20) are fixedly connected with the left side surface and the right side surface of the rectangular cylinder (9) respectively, a first nut (16) is connected in the connecting plates (20) in a clamping mode, a first screw (3) is connected in the first nut (16) in an internal thread mode, first bearings are sleeved on bottom ends and top end optical axes of the first screw (3), the first bearings are respectively connected in the upper side plates of the bottom plate (1) and the U-shaped plate (2) in a clamping mode, a first motor (14) is fixedly installed on the position on the upper side of the left side surface of the U-shaped plate (2), chain wheels (19) are sleeved on output shafts of the first motor (14) and top end optical axes of the two first screws (3), and three chain wheels (19) are in a transmission connection through a second chain (15);
the right side wall of the rectangular cylinder (9) is sequentially provided with three through holes (21) from top to bottom, and the sampling cylinder (5) is connected in the three through holes (21) in a sliding way, the front and the back of the sampling cylinder (5) are respectively and fixedly connected with a sliding sleeve (28) and a nut II (26), a sliding rod (27) is connected in the sliding sleeve (28) in a sliding way, two ends of the sliding rod (27) are respectively and fixedly connected with the left side of the inner wall and the right side of the inner wall of the rectangular cylinder (9), the second screw (10) is connected with the second nut (26) through internal threads, the second bearings are sleeved on the optical axes of the left end and the right end of the second screw (10), and the two bearings are respectively clamped in the left side wall and the right side wall of the rectangular cylinder (9), a driven chain wheel (11) is sleeved at the left end optical axis of the second screw rod (10), a second motor (18) is fixedly arranged on the upper right side of the inner wall of the rectangular cylinder (9), a driving chain wheel (17) is sleeved on an output shaft of the second motor (18), the driving chain wheel (17) is in transmission connection with the three driven chain wheels (11) through the same chain I (4), an electric push rod (7) is fixedly arranged on the left side of the inner wall of the sampling tube (5), the telescopic end of the electric push rod (7) is fixedly connected with the baffle plate (22), the baffle (22) is connected with the inner wall of the sampling tube (5) in a sliding way.
2. The soil sampling device for metal detection according to claim 1, wherein: the pulley is characterized in that pulleys (24) are fixedly connected to four corners of the bottom plate (1), and a hand push frame (23) is fixedly mounted on the right position of the upper surface of the bottom plate (1).
3. The soil sampling device for metal detection according to claim 1, wherein: a rectangular through hole (8) is formed in the bottom plate (1), a conical hopper (6) is arranged in the rectangular through hole (8), and the top of the conical hopper (6) is fixedly connected with the bottom of the rectangular cylinder (9).
4. The soil sampling device for metal detection according to claim 1, wherein: a storage battery (25) is fixedly mounted at a position on the left side of the upper surface of the bottom plate (1), and a control box (29) is fixedly mounted at a position on the upper side of the right side surface of the U-shaped plate (2).
5. The soil sampling device for metal detection according to claim 4, wherein: the output end of the storage battery (25) is electrically connected with the access end of the control box (29), and the output end of the control box (29) is electrically connected with the access ends of the first motor (14), the second motor (18) and the three electric push rods (7) respectively.
6. The soil sampling device for metal detection according to claim 1, wherein: the first motor (14) and the second motor (18) are both positive and negative motors.
7. The use method of the soil sampling device for metal detection as set forth in any one of claims 1 to 6, comprising the steps of:
s1, when the device needs to be used, firstly, the device is moved to a designated place by using a hand-push frame (23), the conical hopper (6) corresponds to soil needing to be sampled, then, the forward rotation of a first motor (14) is controlled by a control box (29), the synchronous forward rotation of two first screws (3) is realized by the cooperation of the first motor (14), three chain wheels (19) and a second chain (15), the first screws (3) enable a first nut (16), a connecting plate (20), a rectangular cylinder (9) and the conical hopper (6) to move downwards in the rotation process of the first screws (3), and the conical hopper (6) and the rectangular cylinder (9) gradually deepen into the soil;
s2, the contraction of the three electric push rods (7) is controlled through a control box (29), the contraction of the electric push rods (7) enables the baffle (22) to move leftwards, then the baffle (22) does not block a barrel opening of the sampling barrel (5) any more, soil can enter the sampling barrel (5), then the control box (29) controls forward rotation of a second motor (18), the forward rotation of the second motor (18) drives a driving chain wheel (17) to rotate, then under the transmission action of a first chain (4), three driven chain wheels (11) and three second screw rods (10) realize synchronous rotation, the second screw rods (10) enable the sampling barrel (5) to move rightwards stably and be inserted into the soil through the matching of a sliding rod (27) and a sliding sleeve (28) in the rotation process, and then the soil with different depths respectively enter the three sampling barrels (5), and therefore the soil with different depths can be sampled simultaneously;
s3, after sampling is completed, the reverse rotation of the motor II (18) is controlled through the control box (29), then the sampling cylinder (5) is moved into the rectangular cylinder (9), then the reverse rotation of the motor I (14) is controlled through the control box (29), then the rectangular cylinder (9) and the conical hopper (6) are moved upwards, the conical hopper (6) is separated from soil, finally the extension of the electric push rod (7) is controlled through the control box (29), the extension of the electric push rod (7) enables the baffle plate (22) to move rightwards, then soil in the sampling cylinder (5) can be pushed out of the sampling cylinder (5), and therefore workers can take out the soil at different depths conveniently.
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| CN112816254B (en) * | 2021-02-24 | 2022-12-09 | 中化学土木工程有限公司 | Soil pollution administers and restores soil sampling device for inspection |
| CN113281088A (en) * | 2021-04-28 | 2021-08-20 | 山东蓝一检测技术有限公司 | Multilayer degree of depth sampling equipment for environmental monitoring |
| CN114029019B (en) * | 2021-11-15 | 2023-06-06 | 瑞易德新材料股份有限公司 | Device and process for producing chlorinated high polymer |
| CN113933090B (en) * | 2021-11-23 | 2024-06-21 | 恩施自治州鄂西南地质工程有限公司 | Geological disaster prevention monitoring sampling method |
| CN114486334B (en) * | 2022-02-09 | 2022-09-09 | 滁州学院 | Soil sampling analyzer for detecting diversity of forest soil microorganisms |
| CN115127863B (en) * | 2022-07-11 | 2024-04-05 | 曹利建 | Soil sampling device for environmental protection engineering |
| CN116678663B (en) * | 2023-05-23 | 2024-05-14 | 合肥东新建邦环境修复有限公司 | Soil detection system and method for restoring heavy metals in soil |
| CN116678672B (en) * | 2023-08-03 | 2023-11-03 | 北京建工环境修复股份有限公司 | Contaminated site soil detection sampling structure |
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| CN108225842A (en) * | 2018-04-12 | 2018-06-29 | 杨凤华 | A kind of non-helical pipe sample device |
| CN208688853U (en) * | 2018-09-04 | 2019-04-02 | 河南农业职业学院 | The regular sampler of wheat planting soil |
| CN109055736A (en) * | 2018-10-24 | 2018-12-21 | 信丰县包钢新利稀土有限责任公司 | A kind of rare earth extraction separator |
| CN209416760U (en) * | 2019-01-12 | 2019-09-20 | 山东杰玛环保工程有限公司 | A kind of soil remediation sampler with layer functions |
| CN210221553U (en) * | 2019-07-01 | 2020-03-31 | 兰州交通大学 | A layering sampling device for soil detection |
| CN210136095U (en) * | 2019-07-09 | 2020-03-10 | 辛雨姝 | Layered sampling device for soil remediation |
| CN110261168A (en) * | 2019-07-22 | 2019-09-20 | 长安大学 | A kind of geologic prospect Rock And Soil sampler and sampling method |
| CN210719818U (en) * | 2019-07-26 | 2020-06-09 | 山东益源检验检测有限公司 | Multi-region sampling device for liquid food detection |
| CN211235037U (en) * | 2019-10-18 | 2020-08-11 | 四川省华地新能源环保科技有限责任公司 | Sampling device for soil detection |
| CN110987522A (en) * | 2019-12-25 | 2020-04-10 | 张辰光 | Mineral exploration raw soil sampler |
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