CN113179749A - Reed collecting device in swamp or shallow water and collecting method thereof - Google Patents
Reed collecting device in swamp or shallow water and collecting method thereof Download PDFInfo
- Publication number
- CN113179749A CN113179749A CN202110462804.3A CN202110462804A CN113179749A CN 113179749 A CN113179749 A CN 113179749A CN 202110462804 A CN202110462804 A CN 202110462804A CN 113179749 A CN113179749 A CN 113179749A
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- frame
- wheel disc
- motor
- cutting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/02—Driving mechanisms or parts thereof for harvesters or mowers electric
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention relates to a reed collecting device in marsh or shallow water and a reed collecting method. The reed collecting device is a vertical maneuvering collecting device, and can meet the collecting requirement without a plurality of people. The opening of the reel frame can be controlled according to the number of the needed reeds in the collecting process, and the depth of the cutting cylinder can be controlled according to the motor on the longitudinal guide rail, so that the length requirement of collecting the root system is met.
Description
Technical Field
The invention relates to a reed collecting device, in particular to a reed collecting device in marsh or shallow water and a collecting method thereof, belonging to the field of processing and production of reed collecting tools.
Background
The reed is one of the most important primary producers in a marsh or wetland ecosystem, and on one hand, the reed can absorb nutrient substances in water and sludge and slow down the eutrophication process of the water; on the other hand, the water purifier can absorb pollutants, heavy metals and the like, has the functions of purifying the water body and stabilizing the self-purification capability of the water body, and improves the water environment quality; meanwhile, the ecological floating bed can provide habitat for various animals such as birds and maintain the diversity of organisms.
The pollution condition of the ecological system can be analyzed by collecting the reeds, the types of pollutants and heavy metal elements contained in the ecological system can be well reflected by collecting and researching the root systems of the reeds, and the ecological system has good guiding function on self-cleaning capacity and adaptation to sudden environmental stress. For general terrestrial plants, the collection is relatively simple, most of them can be directly collected and can be effectively stored. However, reeds growing in swamps or shallow waters are relatively difficult to collect, and most of the conventional collection methods use a shearing method or a shovel for manual operation. However, the traditional collection mode sometimes cannot collect reed roots, and can cause the problems of low collection efficiency, incapability of analyzing environmental pollutants and the like. The shortcoming of prior art mainly exists in the root system that can't gather the plant, leads to unable analysis to pollutant and heavy metal in the root system, is difficult to wash after carrying out the work of gathering, and middle headspace is great, leads to whole device volume great, and unit volume utilization ratio is lower, and collection efficiency is lower.
Disclosure of Invention
The invention aims to provide a reed collecting device and a reed collecting method in swamp or shallow water.
In order to solve the above problems, the specific technical scheme of the invention is as follows: the reed collecting device in marsh or shallow water comprises a frame assembly, wherein a cutting system is arranged in the frame assembly and is connected with the frame assembly through a longitudinal guide structure, and the longitudinal guide structure drives the cutting system to vertically move.
The frame assembly comprises a frame I and a frame II which are arranged in parallel, a plurality of frame supporting rods are arranged between the frame I and the frame II, the lower end of the frame II is fixedly connected with supporting rods, and the supporting rods are used for being inserted into marsh or shallow water.
The cutting system comprises a wheel disc structure and a cutting drum structure, the wheel disc structure comprises an upper wheel disc frame and a lower wheel disc frame, the upper wheel disc frame and the lower wheel disc frame are fixedly connected, the upper wheel disc frame and the lower wheel disc frame are divided into a left part and a right part, the left part and the right part are connected through a wheel disc traction group, the two parts are identical in structure, one sides of the upper wheel disc frame and the lower wheel disc frame are connected with a sliding rail, the sliding rail stretches across the upper wheel disc frame and the lower wheel disc frame, a guide rail is connected to the sliding rail in a sliding mode, a connecting rod is fixedly connected to the upper end of the guide rail and is fixedly connected with a frame I, a fixed pulley and a motor I which can be used for a belt to move are arranged on the longitudinal guide rail through the fixed pulley, the belt moves up and down under the action of the motor I, and a gear transmission structure is arranged between the upper wheel disc frame and the lower wheel disc frame.
The gear transmission structure is as follows: the upper end of the upper wheel disc frame is fixedly connected with four fixed motors II, and the left part and the right part are respectively provided with two fixed motors II; the cutting machine is characterized in that a plurality of wheels with seats are arranged on the opposite end faces of the lower wheel disc frame and the lower wheel disc frame, a large gear is arranged between the upper wheel and the lower wheel, a groove is formed in the contact surface of the large gear and the wheels, the wheels move along the track of the groove, the large gear is fixedly connected with the cutting cylinder structure, a motor gear is sleeved on an output shaft of the motor II and is arranged between the upper wheel disc frame and the lower wheel disc frame, and the motor gear is in meshing transmission with the large gear.
Cutting section of thick bamboo structure include a left side cutting section of thick bamboo and a right side cutting section of thick bamboo, a left side cutting section of thick bamboo and a right side cutting section of thick bamboo are semi-circular, a left side cutting section of thick bamboo and a right side cutting section of thick bamboo are fixed with the gear wheel through the pin, driving motor II, motor II drives motor gear revolve, and then drive the gear wheel for motor gear meshing transmission for a left side cutting section of thick bamboo and a right side cutting section of thick bamboo rotate on the horizontal direction under motor II and meshing gear's effect, drive reed and root system, last reel frame up end be equipped with vibrating motor, vibrating motor provides power to vertical direction.
The wheel disc traction group comprises a lead screw box, a lead screw, a motor III and a threaded nail, the threaded nail is connected with a shaft core of the motor III through the lead screw, the left half parts of the upper wheel disc frame and the lower wheel disc frame move rightwards under the action of the motor III through the threaded nail in the lead screw box, and the left cutting cylinder and the right cutting cylinder are closed mutually.
The bottom of the supporting rod is in a sharp-angled shape and is uniformly distributed on the frame II.
The upper wheel disc frame and the lower wheel disc frame are connected through a wheel disc column.
The invention has the following beneficial effects: the reed collecting device is a vertical maneuvering collecting device, and can meet the collecting requirement without a plurality of people. The opening of the reel frame can be controlled according to the number of the needed reeds in the collecting process, and the depth of the cutting cylinder can be controlled according to the motor on the longitudinal guide rail, so that the length requirement of collecting the root system is met.
The reed root collecting device can work in marsh or shallow water, can ensure the safety of a collector to the maximum extent, and can ensure the integrity of the reed root system in the collecting process, so that the research on substances in the plant root system by researchers is facilitated. In addition, the device occupies a small area, and the reed collecting efficiency is high; the device washs very easily, only need after the collection to cutting section of thick bamboo and frame washing can, the material resources of using manpower sparingly.
Drawings
Fig. 1 is a schematic structural view of a reed collecting device.
Fig. 2 is a schematic structural diagram of the wheel disc traction group device.
Fig. 3 is a schematic view of the connecting device of the wheel disc rack and the cutting drum.
Detailed Description
As shown in fig. 1 to 3, the reed collecting device in swamp or shallow water comprises a frame assembly, wherein a cutting system is arranged in the frame assembly, the cutting system is connected with the frame assembly through a longitudinal guide structure, and the longitudinal guide structure drives the cutting system to vertically move.
The frame assembly comprises a frame I1 and a frame II2 which are arranged in parallel, a plurality of frame supporting rods 3 are arranged between the frame I1 and the frame II2, supporting rods 4 are fixedly connected to the lower end of the frame II2, the supporting rods 4 are a plurality of, the bottoms of the supporting rods 4 are in a pointed shape and are uniformly distributed on the frame II2 and used for being inserted into marsh or shallow water, and the device is prevented from moving in the collection process.
The cutting system comprises a wheel disc structure and a cutting drum structure, the wheel disc structure comprises an upper wheel disc frame 5 and a lower wheel disc frame 6, the upper wheel disc frame 5 and the lower wheel disc frame 6 are divided into a left part and a right part, the left part and the right part are connected through a wheel disc traction group, the structures of the two parts are the same, one sides of the upper wheel disc 5 and the lower wheel disc 6 are connected with a sliding rail 7, the sliding rail 7 stretches across the upper wheel disc frame 5 and the lower wheel disc frame 6, a guide rail 8 is connected onto the sliding rail 7 in a sliding manner, the upper end of the guide rail 8 is fixedly connected with a connecting rod 9, the connecting rod 9 is fixedly connected with a frame I1, a fixed pulley 12 and a motor I13 which can be used for a belt to move are arranged on the longitudinal guide rail 8, the belt is fixed on the longitudinal guide rail 8 through the fixed pulley 12 and can move up and down under the action of the motor I13; the upper wheel disc frame 5 and the lower wheel disc frame 6 are connected through a wheel disc column 14; the upper end of the upper wheel disc frame 5 is fixedly connected with four fixed motors II15, and the left part and the right part are respectively provided with two fixed motors II 15; the opposite end surfaces of the lower wheel disc frame 6 and the upper wheel disc frame 5 are respectively provided with a plurality of wheels 16 with seats, a large gear 18 is arranged between the upper wheel frame and the lower wheel frame 16, a groove 18-1 is formed in the contact surface of the large gear 18 and the wheels 16, the wheels 16 move along the track of the groove 18-1, the large gear 18 is fixedly connected with the cutting cylinder structure, an output shaft of a motor II15 is sleeved with a motor gear 17, the motor gear 17 is arranged between the upper wheel disc frame 5 and the lower wheel disc frame 6, and the motor gear 17 is in meshing transmission with the large gear 18.
Cutting cylinder structure includes a left side cutting cylinder 10 and a right side cutting cylinder 11, a left side cutting cylinder 10 and a right side cutting cylinder 11 are semi-circular, a left side cutting cylinder 10 and a right side cutting cylinder 11 are fixed with gear wheel 18 through the pin, driving motor II15, motor II15 drives motor gear 17 and rotates, and then drive gear wheel 18 for motor gear 17 meshing transmission, make a left side cutting cylinder 10 and a right side cutting cylinder 11 rotate in the horizontal direction under motor II15 and meshing gear's effect, drive reed and root system thereof, last reel frame 5 up end be equipped with vibrating motor 23, vibrating motor 23 provides power to vertical direction.
The wheel disc traction group comprises a lead screw box 19, a lead screw 20, a motor III21 and a screw 22, the screw 22 is connected through the lead screw 20 and a motor III21, the left half parts of the upper wheel disc frame 5 and the lower wheel disc frame 6 can move rightwards under the action of the motor III21 through the screw 22 in the lead screw box 19, and therefore the left cutting drum 10 and the right cutting drum 11 are closed.
Before the reeds are collected, the cutting cylinder is opened to a certain opening degree according to the number of the collected reeds so as to place the reeds in the cutting cylinder, and then four pointed support rods are inserted into marsh or shallow water to fix the whole device.
The reed to be collected is placed in the cutting cylinder through the gap of the circular frame, and the left and right wheel disc frames are mutually closed under the action of the motor of the traction wheel disc set; the closed wheel disc group and the closed cutting drum drive the cutting drum to move to marsh or shallow water under the action of a longitudinal guide rail motor.
After the preset depth is reached, the motor of the upper wheel disc frame is started, and the cutting cylinder performs horizontal rotation motion under the action of the motor to drive the peripheral soil and the root system to move together.
According to the length of the root system of the needed reed, the vibration motor of the upper wheel disc frame can be opened to carry out vibration motion in the vertical direction. After repeated operation, the motor on the longitudinal guide rail can be started to pump the cutting cylinder out of the marsh or shallow water, and at the moment, the collected reeds and the root system are taken out along with the closed cutting cylinder.
The reed collection method comprises the following specific steps:
the method comprises the following steps: the sharp foot supporting rod 4 is inserted into marsh or shallow water, and the opening degrees of the upper wheel disc frame 5, the left cutting cylinder 10, the lower wheel disc frame 6 and the right cutting cylinder 11 are adjusted according to the number of collected reeds.
Step two: putting the reed to be collected into the cutting drum 10, starting a wheel disc traction group motor III21 to enable the upper wheel disc frame 5 and the lower wheel disc frame 6 to drive the corresponding left cutting drum 10 and the corresponding right cutting drum 11 to be closed, and starting a motor I13 on the longitudinal guide rail 8 to enable the cutting system to move downwards and insert the cutting drum structure into marsh or shallow water.
Step three: the driving motor II15, the motor II15 drive the motor gear 17 to rotate, and then drive the bull gear 18 to mesh and transmit for the motor gear 17, make the left cutting cylinder 10 and the right cutting cylinder 11 rotate in the horizontal direction under the effect of the motor II15 and the meshing gear, drive the reed and the root system thereof, then open the vibrating motor 23 of the upper wheel plate frame 5, make the reed and the root system vibrate in the vertical direction.
Step four: after repeating the three steps for a plurality of times, starting the motor I13 on the longitudinal guide rail 8 to move the cutting system upwards to pull the cutting system out of marsh or shallow water, then opening the left cutting cylinder 10 and the right cutting cylinder 11, taking out the collected reeds and root systems, and finally cleaning the whole device for the next use.
What has been described above is merely a preferred embodiment of the invention. It should be noted that variations and modifications can be made by those skilled in the art without departing from the principle of the present invention, and they should also be considered as falling within the scope of the present invention.
Claims (9)
1. The reed collection system in swamp or shallow water is characterized in that: the cutting device comprises a frame assembly, wherein a cutting system is arranged in the frame assembly and is connected with the frame assembly through a longitudinal guide structure, and the longitudinal guide structure drives the cutting system to vertically move.
2. A reed collecting device in swamp or shallow water as claimed in claim 1, wherein: the frame assembly comprises a frame I (1) and a frame II (2) which are arranged in parallel, a plurality of frame supporting rods (3) are arranged between the frame I (1) and the frame II (2), the lower end of the frame II (2) is fixedly connected with supporting rods (4), and a plurality of supporting rods (4) are used for being inserted into marsh or shallow water.
3. A reed collecting device in swamp or shallow water as claimed in claim 1, wherein: the cutting system comprises a wheel disc structure and a cutting drum structure, the wheel disc structure comprises an upper wheel disc frame (5) and a lower wheel disc frame (6), the upper wheel disc frame (5) is fixedly connected with the lower wheel disc frame (6), the upper wheel disc frame (5) and the lower wheel disc frame (6) are divided into a left part and a right part, the left part and the right part are connected through a wheel disc traction group, the two parts are the same in structure, one sides of the upper wheel disc frame (5) and the lower wheel disc frame (6) are connected with a sliding rail (7), the sliding rail (7) stretches across the upper wheel disc frame (5) and the lower wheel disc frame (6), a guide rail (8) is connected on the sliding rail (7) in a sliding manner, the upper end of the guide rail (8) is fixedly connected with a connecting rod (9), the connecting rod (9) is fixedly connected with a frame I (1), a fixed pulley (12) and a motor I (13) which can be used for a belt to move are arranged on the longitudinal guide rail (8), and the belt is fixed on the longitudinal guide rail (8) through the fixed pulley (12), the upper wheel disc frame (5) and the lower wheel disc frame (6) are arranged between the upper wheel disc frame and the lower wheel disc frame and can move up and down under the action of a motor I (13).
4. A reed collecting device in swamp or shallow water as claimed in claim 3, wherein: the gear transmission structure is as follows: the upper end of the upper wheel disc frame (5) is fixedly connected with four fixed motors II (15), and the left part and the right part are respectively provided with two fixed motors II (15); the wheel disk frame is characterized in that a plurality of wheels (16) with seats are arranged on the opposite end faces of the lower wheel disk frame (6) and the upper wheel disk frame (5), a large gear (18) is arranged between the upper wheel disk frame and the lower wheel disk frame (16), a groove (18-1) is formed in the contact face of the large gear (18) and the wheels (16), the wheels (16) move along the track of the groove (18-1), the large gear (18) is fixedly connected with a cutting cylinder structure, a motor gear (17) is sleeved on an output shaft of a motor II (15), the motor gear (17) is arranged between the upper wheel disk frame (5) and the lower wheel disk frame (6), and the motor gear (17) is in meshing transmission with the large gear (18).
5. A reed collecting device in swamp or shallow water as claimed in claim 2, wherein: cutting section of thick bamboo structure including a left side cutting section of thick bamboo (10) and a right side cutting section of thick bamboo (11), a left side cutting section of thick bamboo (10) and a right side cutting section of thick bamboo (11) are semi-circular, a left side cutting section of thick bamboo (10) and a right side cutting section of thick bamboo (11) are fixed through pin and gear wheel (18), driving motor II (15), motor II (15) drive motor gear (17) and rotate, and then drive gear wheel (18) rather than the meshing and rotate, make a left side cutting section of thick bamboo (10) and a right side cutting section of thick bamboo (11) rotate in the horizontal direction under motor II (15) and meshing gear's effect, drive reed and root system, last reel dish frame (5) up end be equipped with vibrating motor (23), vibrating motor (23) provide power to vertical direction.
6. A reed collecting device in swamp or shallow water as claimed in claim 3, wherein: the wheel disc traction group
Comprises a lead screw box (19), a lead screw (20), a motor III (21) and a screw (22)
(22) The upper wheel disc frame (5) is connected with the lower wheel disc through a screw rod (20) and a shaft core of a motor III (21)
The left half part of the frame (6) is driven by a motor III (21) through a screw thread (22) in a lead screw box (19)
And the right cutting cylinder moves rightwards to close the left cutting cylinder (10) and the right cutting cylinder (11).
7. A reed collecting device in swamp or shallow water as claimed in claim 1, wherein: the bracing piece (4)
The bottom is in a sharp-angled shape and is uniformly distributed on the frame II (2).
8. A reed collecting device in swamp or shallow water as claimed in claim 3, wherein: the upper wheel disc frame
(5) And the lower wheel disc frame (6) is connected through a wheel disc column (14).
9. The method of claim 1 for collecting reeds in swamps or shallow waters, comprising:
the method comprises the following steps: inserting the sharp foot supporting rod (4) into marsh or shallow water, and adjusting the opening degrees of the upper wheel disc frame (5), the left cutting drum (10), the lower wheel disc frame (6) and the right cutting drum (11) according to the number of collected reeds;
step two: putting reeds to be collected into a cutting cylinder (10), starting a wheel disc traction group motor III (21), enabling an upper wheel disc frame (5) and a lower wheel disc frame (6) to drive a left cutting cylinder (10) and a right cutting cylinder (11) which respectively correspond to the upper wheel disc frame and the lower wheel disc frame to be closed, and starting a motor I (13) on a longitudinal guide rail (8) to enable a cutting system to move downwards and insert a cutting cylinder structure into marsh or shallow water;
step three: the motor II (15) is driven, the motor II (15) drives the motor gear (17) to rotate, and further drives the large gear (18) to be in meshing transmission relative to the motor gear (17), so that the left cutting drum (10) and the right cutting drum (11) rotate in the horizontal direction under the action of the motor II (15) and the meshing gear to drive the reeds and the root systems thereof, and then the vibration motor (23) of the upper wheel disc frame (5) is started to make the reeds and the root systems vibrate in the vertical direction;
step four: after repeating the three steps for a plurality of times, starting a motor I (13) on the longitudinal guide rail (8) to move the cutting system upwards, pulling the cutting system out of marsh or shallow water, then opening the left cutting cylinder (10) and the right cutting cylinder (11), taking out the collected reeds and root systems, and finally cleaning the whole device for the next use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110462804.3A CN113179749B (en) | 2021-04-28 | 2021-04-28 | Reed collecting device in marsh or shallow water and collecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110462804.3A CN113179749B (en) | 2021-04-28 | 2021-04-28 | Reed collecting device in marsh or shallow water and collecting method thereof |
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| Publication Number | Publication Date |
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| CN113179749A true CN113179749A (en) | 2021-07-30 |
| CN113179749B CN113179749B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110462804.3A Active CN113179749B (en) | 2021-04-28 | 2021-04-28 | Reed collecting device in marsh or shallow water and collecting method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120361A (en) * | 1993-10-22 | 1995-05-12 | Chichibu Onoda Cement Corp | Device and method for extracting core |
| CN202330058U (en) * | 2011-11-22 | 2012-07-11 | 齐齐哈尔大学 | Reed rhizome sampler |
| CN102804961A (en) * | 2012-05-17 | 2012-12-05 | 中国科学院南京地理与湖泊研究所 | Device for collecting and transplanting emerging plants |
| CN207099705U (en) * | 2017-07-19 | 2018-03-16 | 杨聪 | A kind of herding forage harvesting device |
| CN108168933A (en) * | 2018-01-16 | 2018-06-15 | 安顺学院 | A kind of root system of plant pest-insect survey sampler |
| CN109813569A (en) * | 2019-04-03 | 2019-05-28 | 黑龙江省林业科学院 | A kind of deep soil device for quick collecting |
| CN110849660A (en) * | 2019-11-12 | 2020-02-28 | 潍坊科技学院 | Geological drilling sampling device |
| CN210293752U (en) * | 2019-05-31 | 2020-04-10 | 华东师范大学 | Gather portable sample thief of wetland original state soil |
| CN212807687U (en) * | 2020-09-03 | 2021-03-26 | 浙江中誉工程管理有限公司 | Municipal works construction soil sampling ware |
-
2021
- 2021-04-28 CN CN202110462804.3A patent/CN113179749B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120361A (en) * | 1993-10-22 | 1995-05-12 | Chichibu Onoda Cement Corp | Device and method for extracting core |
| CN202330058U (en) * | 2011-11-22 | 2012-07-11 | 齐齐哈尔大学 | Reed rhizome sampler |
| CN102804961A (en) * | 2012-05-17 | 2012-12-05 | 中国科学院南京地理与湖泊研究所 | Device for collecting and transplanting emerging plants |
| CN207099705U (en) * | 2017-07-19 | 2018-03-16 | 杨聪 | A kind of herding forage harvesting device |
| CN108168933A (en) * | 2018-01-16 | 2018-06-15 | 安顺学院 | A kind of root system of plant pest-insect survey sampler |
| CN109813569A (en) * | 2019-04-03 | 2019-05-28 | 黑龙江省林业科学院 | A kind of deep soil device for quick collecting |
| CN210293752U (en) * | 2019-05-31 | 2020-04-10 | 华东师范大学 | Gather portable sample thief of wetland original state soil |
| CN110849660A (en) * | 2019-11-12 | 2020-02-28 | 潍坊科技学院 | Geological drilling sampling device |
| CN212807687U (en) * | 2020-09-03 | 2021-03-26 | 浙江中誉工程管理有限公司 | Municipal works construction soil sampling ware |
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| CN113179749B (en) | 2023-04-07 |
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