CN111649977A - Soil sampling device for preventing disturbance damage to soil sample layer during sampling separation - Google Patents
Soil sampling device for preventing disturbance damage to soil sample layer during sampling separation Download PDFInfo
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- CN111649977A CN111649977A CN202010459656.5A CN202010459656A CN111649977A CN 111649977 A CN111649977 A CN 111649977A CN 202010459656 A CN202010459656 A CN 202010459656A CN 111649977 A CN111649977 A CN 111649977A
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- 238000005070 sampling Methods 0.000 title claims abstract description 176
- 239000002689 soil Substances 0.000 title claims abstract description 42
- 238000005527 soil sampling Methods 0.000 title claims abstract description 28
- 238000000926 separation method Methods 0.000 title description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000014759 maintenance of location Effects 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a soil sampling device for preventing disturbance damage to a soil sample layer when sampling is separated, relates to the field of soil sampling, and solves the problem that a piercing type sampling structure cannot be adopted to reduce disturbance to a soil sample so as to improve sampling precision; when the sample is taken out from the sampling cylinder, the sample is mostly taken out by adopting a crushing method, so that the complete retention of the soil sample cannot be realized, and the storage and sample retention of the sample are influenced. A soil sampling device for preventing disturbance damage to a soil sample layer when sampling is separated comprises a frame body adjusting groove and a sampling cylinder B; the support body is of a concave structure, and two fixing seats are fixedly connected to the support body through bolts. When the sampling tube B moves upwards for 10cm along with the electric telescopic rod, the top end face of the sampling tube B is in contact with the top end face of the poking plate, and when the sampling tube B continues to move upwards along with the electric telescopic rod, the sampling tube B is in a disassembly state, so that the sampling tube B can be automatically disassembled through the contraction of the electric telescopic rod.
Description
Technical Field
The invention belongs to the technical field of soil sampling, and particularly relates to a soil sampling device for preventing disturbance damage to a soil sample layer when sampling is separated.
Background
Soil sampler refers to a tool for taking a soil sample. Earth drills, shovels and shovels are commonly used. The earth drill consists of a drill head made of hard material (steel or hard plastic) and a handle. The drill bit is often helical or cylindrical.
As in application No.: CN201210092840.6, a mechanical soil sampling device, comprising a motor, a soil sampling drill, a soil sampling disc and a fixed box, wherein the lower end of the soil sampling drill is provided with a spiral inner groove, the outer edge of the groove is provided with an overhanging small flange, the bottom end of the sampling drill is made into a sharp round-head drill profile, the upper end of the soil sampling drill is provided with a passive spur gear, the passive spur gear and a driving spur gear are matched to move, the driving spur gear is arranged on a main shaft of a first speed reducer, the first speed reducer is connected with an output shaft of a first motor, and the main shaft of the first speed reducer is fixedly connected with the upper end of the soil sampling drill; but soil sampling bores vertical rotation and removes and passes one of them soil collection room, installs the baffle in the fixed box, and the baffle is located the top of soil collection disc, and the baffle tip stretches into in the spiral inner groovy that soil sampling bored. The invention has the advantages of convenient use, reliable work, simple structure, high efficiency and good applicability.
Based on the application number: CN201210092840.6, patent search, although this application is convenient to use, reliable in operation, simple in structure, high in efficiency, and good in applicability, it still has the following disadvantages:
one is that the application has large disturbance to soil during sampling, and the sample is easy to be mixed in the sampling process, the sampling precision is low, and the piercing type sampling structure cannot be adopted to reduce the disturbance to the soil sample so as to improve the sampling precision; moreover, the existing pricking-in sampling device extracts the sampling cylinder and the sample from the soil, and the sample is mostly taken out by adopting a crushing method when being taken out from the sampling cylinder, so that the complete retention of the soil sample cannot be realized, and the storage and sample retention of the sample are influenced; finally, when the existing cylindrical sampling cylinder is drawn out from soil, the soil easily falls from the sampling cylinder, and the sampling success rate is affected.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a soil sampling device for preventing disturbance damage to a soil sample layer when a sample is separated is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a soil sampling device for preventing disturbance damage to a soil sample layer when sampling is separated, and aims to solve the problems that the prior art has the disadvantages that the soil is greatly disturbed when sampling, the sample is easily mixed in the sampling process, the sampling precision is low, and the disturbance to the soil sample cannot be reduced by adopting a piercing type sampling structure, so that the sampling precision is improved; moreover, the existing pricking-in sampling device extracts the sampling cylinder and the sample from the soil, and the sample is mostly taken out by adopting a crushing method when being taken out from the sampling cylinder, so that the complete retention of the soil sample cannot be realized, and the storage and sample retention of the sample are influenced; finally, the soil easily drops from the sampling cylinder when the sampling cylinder of current tube-shape is taken out from soil, influences the problem of sample success rate.
The invention relates to a soil sampling device for preventing disturbance damage to a soil sample layer when sampling separation, which aims to achieve the following specific technical means:
a soil sampling device for preventing disturbance damage to a soil sample layer when sampling is separated comprises a frame body, an adjusting groove and a sampling cylinder B; the frame body is of a concave structure, two fixed seats are fixedly connected to the frame body through bolts, and an electric telescopic rod is fixedly connected to the frame body through bolts; the adjusting groove is formed in the right end face of the adjusting block and is axially aligned with the elastic bolt; when the elastic bolt moves upwards for 5cm along with the sampling cylinder structure, the elastic bolt is contacted with the bottom position of the adjusting groove, and the elastic bolt and the clamping seat are in an unlocking state; the head end of the electric telescopic rod is fixedly connected with a sampling cylinder structure through a bolt, and the sampling cylinder structure is fixedly connected with an elastic bolt through a rivet; the sampling tube B is of a semicircular top-free cylindrical structure, the top end face of the sampling tube B is in contact with the top end face of the poking plate when the sampling tube B moves upwards for 10cm along with the electric telescopic rod, and the sampling tube B is in a disassembly state when the sampling tube B continues to move upwards along with the electric telescopic rod, so that the sampling tube B can be automatically disassembled through the contraction of the electric telescopic rod.
Further, the support body includes scraper blade and circular port, through a scraper blade of bolt fixedly connected with on the support body, and seted up a circular port on the scraper blade to circular hole inner wall and sampler barrel structure contact.
The rack body further comprises an adjusting block, an adjusting groove and a poking plate, wherein the adjusting block with a rectangular block structure is welded on the front end face of the rack body, and the adjusting block is provided with the adjusting groove; the frame body is welded with a stirring plate, and the sampling cylinder structure is contacted with the bottom end face of the stirring plate when moving upwards along with the electric telescopic rod.
Furthermore, the fixed seat comprises a fixed hole, the fixed seat is of a round-head rectangular rod-shaped structure, and two fixed holes are symmetrically formed in the fixed seat; the sampling tube structure comprises a sampling tube A, a sliding groove, a sampling tube B and a sliding bulge; the sampling cylinder A is of a semi-cylindrical structure, and is provided with two sliding grooves; the sampling cylinder B is also of a semi-cylindrical structure, and two sliding bulges are welded on the sampling cylinder B; the sliding protrusion is matched with the sliding groove, and the sampling cylinder A and the sampling cylinder B jointly form a cylindrical sampling structure when the sliding protrusion is in sliding insertion connection with the sliding groove.
Further, the sampling cylinder A comprises an anti-skid protrusion and a smooth chute A, the bottom end face of the sampling cylinder A is provided with the smooth chute A, and the smooth chute A is of a semi-conical structure; the inner wall of the sampling tube A is in a rectangular array shape and is welded with anti-skid protrusions, the anti-skid protrusions are of a semi-annular structure, and the cross sections of the anti-skid protrusions are of right-angle triangular structures.
Further, the sampling cylinder B also comprises a forward sliding groove B, the bottom end face of the sampling cylinder B is provided with the forward sliding groove B, and the forward sliding groove B is of a semi-conical structure; the forward sliding groove A and the forward sliding groove B jointly form a conical groove-shaped structure.
Furthermore, the sampling tube B also comprises a clamping seat, the clamping seat is welded above the outer wall of the sampling tube B, and the clamping seat is of a reversed-square structure; when sampling barrel A and sampling barrel B peg graft and adjust back joint seat and the high parallel and level of elasticity bolt, and the elasticity bolt has constituteed the shutting structure of sampling barrel A and sampling barrel B.
Further, elasticity bolt tail end and the right-hand member face contact of regulating block, and elasticity bolt is in the state of stretching when elasticity bolt tail end and the contact of regulating block right-hand member face to for pegging graft shutting state between elasticity bolt and the joint seat when elasticity bolt tail end and the contact of regulating block right-hand member face.
Compared with the prior art, the invention has the following beneficial effects:
the sampling process is improved, the sampling cylinder structure can be disassembled simultaneously in the process of driving the sampling cylinder structure to ascend through the electric telescopic rod, and soil on the outer wall of the sampling cylinder structure can be scraped in the process of ascending the sampling cylinder structure, so that a soil sample can be completely and nondestructively taken out, and the convenience of taking out the sample is improved; when the elastic bolt moves upwards for 5cm along with the sampling cylinder structure, the elastic bolt is contacted with the bottom position of the adjusting groove, and the elastic bolt and the clamping seat are in an unlocking state; secondly, the sampling tube B is of a semicircular non-top-barrel-shaped structure, the top end face of the sampling tube B is in contact with the top end face of the poking plate when the sampling tube B moves upwards for 10cm along with the electric telescopic rod, and the sampling tube B is in a disassembling state when the sampling tube B continues to move upwards along with the electric telescopic rod, so that the sampling tube B can be automatically disassembled by the contraction of the electric telescopic rod; thirdly, because of a scraper blade of bolt fixedly connected with on the support body, and offered a circular port on the scraper blade to circular hole inner wall and sampler barrel structure contact, thereby can realize scraping off of sampler barrel structure outer wall earth when the sampler barrel structure reciprocates
The sampling tube structure has been improved, and the sampling tube of this device is the convenient dismantlement of pin-connected panel structure, the taking out of the earth sample of being convenient for, and can also place the earth sample through the improvement and follow the phenomenon that drops in the sampling tube structure, specifically as follows: firstly, the sliding bulge is matched with the sliding groove, and when the sliding bulge is in sliding insertion with the sliding groove, the sampling cylinder A and the sampling cylinder B jointly form a cylindrical sampling structure; the second, be the welding of rectangle array form because of sampler barrel A inner wall and have anti-skidding arch, and anti-skidding arch is the semicircular structure to anti-skidding arch cross-section is the triangle-shaped structure of right angle, thereby can prevent the interior earth landing of sampler barrel structure when taking out the sampler barrel structure from earth.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic axial view of the present invention in another direction of fig. 1.
Fig. 3 is a partially broken away perspective view of the invention shown in fig. 2.
Fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention.
Fig. 5 is an enlarged view of the structure of fig. 3B according to the present invention.
FIG. 6 is a schematic view of an axial disassembled structure of the sampling tube structure of the present invention.
Fig. 7 is an enlarged view of the structure of fig. 6 according to the present invention.
Fig. 8 is a schematic view of the adjusted axial structure of fig. 3 according to the present invention.
Fig. 9 is an enlarged view of fig. 8D according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a frame body; 101. a squeegee; 10101. a circular hole; 102. an adjusting block; 103. an adjustment groove; 104. a poking plate; 2. a fixed seat; 201. a fixing hole; 3. an electric telescopic rod; 4. a sampling tube structure; 401. a sampling tube A; 40101. a sliding groove; 40102. anti-skid projections; 40103. a forward chute A; 402. a sampling tube B; 40201. a sliding projection; 40202. a clamping seat; 40203. a forward chute B; 5. an elastic bolt.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a soil sampling device for preventing disturbance damage to a soil sample layer when sampling separation is carried out, which comprises a frame body 1 adjusting groove 103 and a sampling cylinder B402; the frame body 1 is of a concave structure, two fixed seats 2 are fixedly connected to the frame body 1 through bolts, and an electric telescopic rod 3 is fixedly connected to the frame body 1 through bolts; referring to fig. 8 and 9, an adjusting groove 103 is formed on the right end surface of the adjusting block 102, and the adjusting groove 103 is axially aligned with the elastic plug pin 5; when the elastic bolt 5 moves upwards for 5cm along with the sampling cylinder structure 4, the elastic bolt 5 is in contact with the bottom position of the adjusting groove 103, and the elastic bolt 5 and the clamping seat 40202 are in an unlocking state; the head end of the electric telescopic rod 3 is fixedly connected with a sampling cylinder structure 4 through a bolt, and an elastic bolt 5 is fixedly connected to the sampling cylinder structure 4 through a rivet; referring to fig. 8 and 9, the sampling tube B402 is a semicircular non-top tube structure, and when the sampling tube B402 moves up 10cm along with the electric telescopic rod 3, the top end surface of the sampling tube B402 contacts with the top end surface of the toggle plate 104, and when the sampling tube B402 continues to move up along with the electric telescopic rod 3, the sampling tube B402 is in a disassembly state, so that the disassembly of the sampling tube B402 can be automatically realized by the contraction of the electric telescopic rod 3.
Referring to as in fig. 3, support body 1 includes scraper blade 101 and circular port 10101, and through a scraper blade 101 of bolt fixedly connected with on the support body 1, and seted up a circular port 10101 on the scraper blade 101 to circular port 10101 inner wall and sampler barrel structure 4 contact, thereby can realize scraping of 4 outer wall earth of sampler barrel structure when sampler barrel structure 4 reciprocates.
Referring to fig. 3 and 6, the frame body 1 further includes an adjusting block 102, an adjusting groove 103 and a toggle plate 104, the adjusting block 102 with a rectangular block structure is welded on the front end surface of the frame body 1, and the adjusting block 102 is provided with an adjusting groove 103; the frame body 1 is welded with a poking plate 104, and the sampling tube structure 4 contacts with the bottom end face of the poking plate 104 when moving upwards along with the electric telescopic rod 3.
Referring to fig. 6, the fixing base 2 includes fixing holes 201, the fixing base 2 is a round rectangular rod-shaped structure, and two fixing holes 201 are symmetrically formed in the fixing base 2; the sampling tube structure 4 comprises a sampling tube A401, a sliding groove 40101, a sampling tube B402 and a sliding protrusion 40201; the sampling tube A401 is of a semi-cylindrical structure, and the sampling tube A401 is provided with two sliding grooves 40101; the sampling tube B402 is also of a semi-cylindrical structure, and two sliding protrusions 40201 are welded on the sampling tube B402; the sliding protrusion 40201 is matched with the sliding groove 40101, and the sampling cylinder A401 and the sampling cylinder B402 form a cylindrical sampling structure together when the sliding protrusion 40201 is slidably inserted into the sliding groove 40101.
Referring to fig. 6, the sampling tube a401 includes an anti-slip protrusion 40102 and a smooth sliding groove a40103, the bottom end surface of the sampling tube a401 is provided with the smooth sliding groove a40103, and the smooth sliding groove a40103 is a semi-cone structure; sampling tube A401 inner wall is the welding of rectangular array form and has anti-skidding arch 40102, and anti-skidding arch 40102 is the semicircular structure to anti-skidding arch 40102 cross-section is right angle triangle shape structure, thereby can prevent the interior earth landing of sampling tube structure 4 when taking out sampling tube structure 4 from earth.
Referring to fig. 6, the sampling tube B402 further includes a smooth chute B40203, the bottom end surface of the sampling tube B402 is provided with a smooth chute B40203, and the smooth chute B40203 has a semi-conical structure; the forward sliding groove A40103 and the forward sliding groove B40203 jointly form a cone-shaped groove structure, so that the resistance of the sampling cylinder structure 4 when the sampling cylinder structure is pricked into the soil can be reduced, and the working efficiency is improved.
Referring to fig. 3 and 6, the sampling tube B402 further includes a clamping seat 40202, the clamping seat 40202 is welded above the outer wall of the sampling tube B402, and the clamping seat 40202 has a zigzag structure; when the sampling cylinder A401 and the sampling cylinder B402 are inserted and aligned, the clamping seat 40202 is flush with the elastic bolt 5 in height, and the elastic bolt 5 forms a locking structure of the sampling cylinder A401 and the sampling cylinder B402.
Referring to fig. 3 and fig. 6, the tail end of the elastic bolt 5 contacts with the right end face of the adjusting block 102, and when the tail end of the elastic bolt 5 contacts with the right end face of the adjusting block 102, the elastic bolt 5 is in an extended state, and when the tail end of the elastic bolt 5 contacts with the right end face of the adjusting block 102, the elastic bolt 5 and the clamping seat 40202 are in a plugging and locking state.
The specific use mode and function of the embodiment are as follows:
during sampling, the electric telescopic rod 3 can be stretched to push the sampling cylinder structure 4 to be pricked into soil for sampling, and then the electric telescopic rod 3 can be contracted to drive the sampling cylinder structure 4 to be drawn out from the soil to finish sampling;
when a sample needs to be completely taken out of the sampling cylinder structure 4, firstly, the adjusting groove 103 is formed in the right end face of the adjusting block 102, and the adjusting groove 103 is axially aligned with the elastic bolt 5; when the elastic bolt 5 moves upwards for 5cm along with the sampling cylinder structure 4, the elastic bolt 5 is in contact with the bottom position of the adjusting groove 103, and the elastic bolt 5 and the clamping seat 40202 are in an unlocking state; secondly, because the sampling tube B402 is of a semicircular non-top-barrel-shaped structure, and when the sampling tube B402 moves upwards for 10cm along with the electric telescopic rod 3, the top end face of the sampling tube B402 is in contact with the top end face of the poking plate 104, and when the sampling tube B402 continues to move upwards along with the electric telescopic rod 3, the sampling tube B402 is in a disassembly state, so that the sampling tube B402 can be automatically disassembled by the contraction of the electric telescopic rod 3;
in the using process, firstly, the frame body 1 is fixedly connected with the scraper plate 101 through the bolt, the scraper plate 101 is provided with the circular hole 10101, and the inner wall of the circular hole 10101 is in contact with the sampling cylinder structure 4, so that the soil on the outer wall of the sampling cylinder structure 4 can be scraped when the sampling cylinder structure 4 moves up and down; the second, be the welding of rectangle array form because of sampler barrel A401 inner wall and have anti-skidding arch 40102, and anti-skidding arch 40102 is the semicircular structure to anti-skidding arch 40102 cross-section is right angle triangle shape structure, thereby can prevent the interior earth landing of sampler barrel structure 4 when taking out sampler barrel structure 4 from earth.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a prevent to take a sample soil sampling device that destroys soil sample layer disturbance when breaking away from which characterized in that: comprises a frame body (1), an adjusting groove (103) and a sampling tube B (402); the frame body (1) is of a concave structure, the frame body (1) is fixedly connected with two fixed seats (2) through bolts, and the frame body (1) is also fixedly connected with an electric telescopic rod (3) through bolts; the adjusting groove (103) is formed in the right end face of the adjusting block (102), and the adjusting groove (103) is axially aligned with the elastic bolt (5); when the elastic bolt (5) moves upwards for 5cm along with the sampling cylinder structure (4), the elastic bolt (5) is in contact with the bottom position of the adjusting groove (103), and the elastic bolt (5) and the clamping seat (40202) are in an unlocking state; the head end of the electric telescopic rod (3) is fixedly connected with a sampling cylinder structure (4) through a bolt, and an elastic bolt (5) is fixedly connected onto the sampling cylinder structure (4) through a rivet; the sampling tube B (402) is of a semicircular top-free cylindrical structure, the top end face of the sampling tube B (402) is in contact with the top end face of the poking plate (104) when the sampling tube B (402) moves upwards for 10cm along with the electric telescopic rod (3), and the sampling tube B (402) is in a detachable state when the sampling tube B (402) continues to move upwards along with the electric telescopic rod (3).
2. A soil sampling device according to claim 1 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: support body (1) includes scraper blade (101) and circular port (10101), through a scraper blade (101) of bolt fixedly connected with on support body (1), and seted up one circular port (10101) on scraper blade (101) to circular port (10101) inner wall and sampler barrel structure (4) contact.
3. A soil sampling device according to claim 1 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: the rack body (1) further comprises an adjusting block (102), an adjusting groove (103) and a toggle plate (104), the adjusting block (102) with a rectangular block structure is welded on the front end face of the rack body (1), and the adjusting block (102) is provided with the adjusting groove (103); the support body (1) is welded with a poking plate (104), and the sampling tube structure (4) is contacted with the bottom end face of the poking plate (104) when moving upwards along with the electric telescopic rod (3).
4. A soil sampling device according to claim 1 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: the fixing seat (2) comprises fixing holes (201), the fixing seat (2) is of a round-head rectangular rod-shaped structure, and two fixing holes (201) are symmetrically formed in the fixing seat (2); the sampling tube structure (4) comprises a sampling tube A (401), a sliding groove (40101), a sampling tube B (402) and a sliding protrusion (40201); the sampling tube A (401) is of a semi-cylindrical structure, and two sliding grooves (40101) are formed in the sampling tube A (401); the sampling cylinder B (402) is also of a semi-cylindrical structure, and two sliding protrusions (40201) are welded on the sampling cylinder B (402); the sliding protrusion (40201) is matched with the sliding groove (40101), and the sampling cylinder A (401) and the sampling cylinder B (402) jointly form a cylindrical sampling structure when the sliding protrusion (40201) is in sliding insertion connection with the sliding groove (40101).
5. A soil sampling device according to claim 4 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: the sampling cylinder A (401) comprises an anti-skid protrusion (40102) and a smooth sliding groove A (40103), the bottom end face of the sampling cylinder A (401) is provided with the smooth sliding groove A (40103), and the smooth sliding groove A (40103) is of a semi-conical structure; sampling tube A (401) inner wall is the welding of rectangle array form and has anti-skidding arch (40102), and anti-skidding arch (40102) are the semicircular structure to anti-skidding arch (40102) cross-section is right angle triangle shape structure.
6. A soil sampling device according to claim 4 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: the sampling cylinder B (402) further comprises a smooth chute B (40203), the bottom end face of the sampling cylinder B (402) is provided with the smooth chute B (40203), and the smooth chute B (40203) is of a semi-conical structure; the forward sliding groove A (40103) and the forward sliding groove B (40203) jointly form a cone-shaped groove-shaped structure.
7. A soil sampling device according to claim 4 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: the sampling tube B (402) further comprises a clamping seat (40202), the clamping seat (40202) is welded above the outer wall of the sampling tube B (402), and the clamping seat (40202) is of a reversed-square structure; when sampling barrel A (401) and sampling barrel B (402) are inserted and aligned, the rear clamping seat (40202) and the elastic bolt (5) are highly flush, and the elastic bolt (5) forms a locking structure of the sampling barrel A (401) and the sampling barrel B (402).
8. A soil sampling device according to claim 1 for preventing disturbance damage to a soil sample layer upon detachment of a sample therefrom, wherein: the tail end of the elastic bolt (5) is in contact with the right end face of the adjusting block (102), the elastic bolt (5) is in an extending state when the tail end of the elastic bolt (5) is in contact with the right end face of the adjusting block (102), and a plugging locking state is formed between the elastic bolt (5) and the clamping seat (40202) when the tail end of the elastic bolt (5) is in contact with the right end face of the adjusting block (102).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010459656.5A CN111649977A (en) | 2020-05-27 | 2020-05-27 | Soil sampling device for preventing disturbance damage to soil sample layer during sampling separation |
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| CN202010459656.5A CN111649977A (en) | 2020-05-27 | 2020-05-27 | Soil sampling device for preventing disturbance damage to soil sample layer during sampling separation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647482A (en) * | 2020-12-21 | 2021-04-13 | 安徽太基建设工程股份有限公司 | Be used for pile foundation to punch with device that fetches earth |
| CN114047026A (en) * | 2021-10-22 | 2022-02-15 | 陈莹 | Soil detection sampling device for environmental protection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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