CN114112508B - Soil sampler directly used for dynamic characteristic test of undisturbed soil sample - Google Patents
Soil sampler directly used for dynamic characteristic test of undisturbed soil sample Download PDFInfo
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- CN114112508B CN114112508B CN202111533124.2A CN202111533124A CN114112508B CN 114112508 B CN114112508 B CN 114112508B CN 202111533124 A CN202111533124 A CN 202111533124A CN 114112508 B CN114112508 B CN 114112508B
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- 239000002689 soil Substances 0.000 title claims abstract description 93
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 27
- 238000005527 soil sampling Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 24
- 230000001105 regulatory effect Effects 0.000 description 21
- 244000309464 bull Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000005070 sampling Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a soil sampler directly used for a dynamic characteristic test of an undisturbed soil sample, which comprises a supporting part, wherein the supporting part is internally provided with the soil sampler, and the soil sampler is rotationally connected with the supporting part; the soil sampler comprises two semicircular plates which are oppositely arranged, the two semicircular plates are detachably connected with the supporting part through connecting pieces, one ends of the two semicircular plates are hinged, the other ends of the two semicircular plates are detachably connected, the inner side walls of the semicircular plates are provided with placing grooves, semicircular pieces are arranged in the placing grooves, and the end parts of the two semicircular pieces are abutted to form soil sampling cylinders; the semicircular plate is provided with an adjusting piece for adjusting the position of the semicircular piece, and any semicircular piece is abutted against the other semicircular piece through the adjusting piece; the lateral wall of the semicircular plate is detachably connected with a drilling soil piece, and the two semicircular pieces are positioned in the drilling soil piece. The invention can realize that undisturbed soil with different sizes can be conveniently obtained, thereby facilitating the test, reducing the use cost, and simultaneously facilitating the undisturbed soil to be taken out from the soil sampler, thereby improving the test accuracy.
Description
Technical Field
The invention relates to the technical field of soil body sampling, in particular to a soil sampler directly used for an undisturbed soil sample dynamic characteristic test.
Background
In the engineering construction investigation, design and construction process, experiments are needed to research the engineering mechanical characteristics of the rock-soil body, thereby providing a basis for engineering construction. The indoor test is an important way for obtaining the physical and mechanical properties of the rock-soil mass, and on the basis, the accuracy of outdoor sampling can directly influence the indoor test result, so that the outdoor sampling is more important in the process of researching the engineering and mechanical characteristics of the rock-soil mass.
In the prior art, the obtained undisturbed soil is directly tested by using the soil sampler, and the undisturbed soil is directly tested, so that the cutting step is removed, the test efficiency is improved, and on the other hand, the cutting step is avoided, so that the disturbance to the undisturbed soil is reduced, and the test accuracy is improved. However, in the existing undisturbed soil sampling, the following problems still exist, firstly, because the test requirements are different, undisturbed soil with different sizes needs to be obtained, so that soil samplers with different specifications are needed, the use cost is improved, secondly, when the undisturbed soil is taken out, the undisturbed soil is not easily taken out from the soil sampler, and disturbance is caused to the undisturbed soil, so that the test accuracy is reduced.
Disclosure of Invention
The invention aims to provide a soil sampler directly used for undisturbed soil sample dynamic characteristic tests, which solves the problems in the prior art and can realize convenient acquisition of undisturbed soil with different sizes, thereby facilitating tests, reducing the use cost, and simultaneously facilitating the taking out of the undisturbed soil from the soil sampler, thereby improving the test accuracy.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a soil sampler directly used for an undisturbed soil sample dynamic characteristic test, which comprises a supporting part, wherein the supporting part is internally provided with a soil sampler, and the soil sampler is rotationally connected with the supporting part;
the soil sampler comprises two semicircular plates which are oppositely arranged, the two semicircular plates are detachably connected with the supporting part through connecting pieces, one ends of the two semicircular plates are hinged, the other ends of the two semicircular plates are detachably connected, a placing groove is formed in the inner side wall of each semicircular plate, a semicircular piece is arranged in each placing groove, and the end parts of the two semicircular pieces are abutted to form a soil sampling cylinder;
the semicircular plate is provided with an adjusting piece for adjusting the position of the semicircular piece, and any semicircular piece is abutted against the other semicircular piece through the adjusting piece;
the lateral wall of the semicircular plate is detachably connected with a drilling soil piece, and the semicircular piece is located in the drilling soil piece.
Preferably, the semicircle spare includes the regulating plate, regulating plate bottom rigid coupling has the semicircle barrel, the semicircle barrel is located outside the standing groove, the regulating plate includes straight flange and arc limit, the straight flange of regulating plate with the semicircle barrel both ends flush, the arc limit of regulating plate is located in the standing groove, just the arc limit of regulating plate with the regulating part butt.
Preferably, a through groove is formed in the top end of the semicircular plate, the through groove is communicated with the placing groove, the adjusting piece comprises a fixing column arranged in the through groove, the fixing column is detachably connected with the semicircular plate, an opening is formed in the arc-shaped edge of the adjusting plate, and the fixing column is located in the opening.
Preferably, the bottom end and the top end of the fixing column are respectively and fixedly connected with a limiting ring and an installation plate, the top end of the limiting ring is in sliding contact with the bottom end of the semicircular plate, a plurality of adjusting holes are formed in the top end of the semicircular plate, the top end of the installation plate is in threaded connection with a first bolt, the first bolt is matched with the adjusting holes, and the installation plate is detachably connected with the semicircular plate through the first bolt.
Preferably, the supporting part includes the solid fixed ring of first solid fixed ring and second, first solid fixed ring is located the solid fixed ring top of second, just first solid fixed ring pass through the connecting rod with the solid fixed ring rigid coupling of second, the geotome is located first solid fixed ring with between the solid fixed ring of second, first solid fixed ring center is located and is provided with the connecting cylinder, the connecting cylinder outer wall pass through the dead lever with first solid fixed ring rigid coupling, connecting cylinder female connection has the bull stick, the bull stick passes through the connecting piece with the semicircle board rigid coupling.
Preferably, the connecting piece is including setting up the plectane of semicircle board top, the plectane top with the bull stick bottom rigid coupling, plectane lateral wall rigid coupling has the long plate, long plate top threaded connection has the second bolt, the connecting hole has been seted up on the semicircle board top, the second bolt with connecting hole looks adaptation.
Preferably, the number of the long plates is four, the four long plates are matched to form an X-shaped structure, and any one of the semicircular plates is provided with two long plates.
Preferably, bore native spare and establish two including the cover bore a section of thick bamboo outside the semicircle board, bore a section of thick bamboo with semicircle board lateral wall threaded connection, it has a plurality of brill teeth to bore a section of thick bamboo bottom rigid coupling.
Preferably, the semi-cylinder is located in the drill cylinder, and the lowest end of the drill cylinder is lower than the lowest end of the semi-cylinder.
The invention discloses the following technical effects:
1. the geotome comprises two semicircle boards, and two semicircle pieces are located the standing groove to form a geotome section of thick bamboo through the regulating part butt, the geotome section of thick bamboo is used for gathering original state soil, and the original state soil is gathered and is finished the back, dismantles two semicircle boards, and the regulating part no longer consolidates half semicircle piece, thereby two semicircle piece separations of being convenient for, make the original state soil be convenient for take out.
2. Under the effect of regulating part, the diameter of the soil sampling cylinder that two semicircle pieces formed is adjustable to can obtain the original state soil of unidimensional not, and change semicircle piece convenient operation, the practicality is high.
3. Can dismantle the connection on the semicircle board and bore native spare, bore native spare and can be convenient for on the one hand and bore native and obtain original state soil, on the other hand, bore the connection effect that native spare improves two semicircle boards to improve the connection effect of two semicircle spares, finally improve the integrality of original state soil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a perspective view of an undisturbed soil sample dynamic characteristic test soil sampler;
FIG. 2 is a perspective view of the soil sampler in a working soil-sampling state;
FIG. 3 is a perspective view showing a state where an undisturbed soil sample is taken out;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a perspective view of the position relationship between the stop collar and the semicircular plate;
FIG. 6 is a perspective view showing a state where two half cylinders are combined;
FIG. 7 is a perspective view of the earth-boring member;
FIG. 8 is a perspective view of the connector block;
the device comprises a semi-circular plate 1, a placing groove 2, an adjusting plate 3, a semi-circular cylinder 4, a through groove 5, a fixing column 6, a notch 7, a limiting ring 8, a mounting plate 9, an adjusting hole 10, a first bolt 11, a first fixing ring 12, a second fixing ring 13, a connecting cylinder 14, a rotating rod 15, a circular plate 16, a long plate 17, a second bolt 18, a connecting hole 19, a handle 20, a drilling cylinder 21, a drilling tooth 22, a connecting rod 23, a fixing rod 24, a connecting block 25, a connecting rod 26, a limiting plate 27 and a locking nut 28.
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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a soil sampler directly used for a dynamic characteristic test of an undisturbed soil sample, which comprises a supporting part, wherein the supporting part is internally provided with the soil sampler, and the soil sampler is rotationally connected with the supporting part; the soil sampler comprises two semicircular plates 1 which are oppositely arranged, wherein the two semicircular plates 1 are detachably connected with the supporting part through connecting pieces, one ends of the two semicircular plates 1 are hinged, the other ends of the two semicircular plates 1 are detachably connected, the inner side walls of the semicircular plates 1 are provided with a placing groove 2, a semicircular piece is arranged in the placing groove 2, and the end parts of the two semicircular pieces are abutted to form a soil sampling cylinder; the semicircular plate 1 is provided with an adjusting piece for adjusting the position of the semicircular piece, and any semicircular piece is abutted against the other semicircular piece through the adjusting piece; the outer side wall of the semicircular plate 1 is detachably connected with a drilling soil piece, and the two semicircular pieces are located in the drilling soil piece.
When undisturbed soil needs to be collected, the size specification of the semicircular piece is selected according to the actual use condition, the position of the adjusting piece is determined according to the size specification of the semicircular piece, then one ends, which are not hinged, of the two semicircular plates 1 are opened, the two semicircular pieces are respectively placed in the two placing grooves 2, the semicircular pieces are abutted against the adjusting piece, then the two semicircular plates 1 are closed, the two semicircular plates 1 are fixed, after the two semicircular plates 1 are fixed, the soil drilling pieces are installed outside the two semicircular plates 1, after the soil drilling pieces are installed, the semicircular plates 1 are connected with the supporting part through the connecting pieces, after the connection is finished, the semicircular plates 1 are rotated to carry out soil taking operation, after the soil taking is finished, the semicircular plates 1 are separated from the connecting pieces according to the sequence, the soil drilling pieces are disassembled, finally one ends, which are not hinged, of the two semicircular plates 1 are disassembled, the two semicircular plates 1 are opened, the soil taking barrel formed by the two semicircular pieces is taken out and the two semicircular pieces are opened, and finally the undisturbed soil is obtained.
Among this technical scheme, 1 top of two halves plectanes is the rigid coupling respectively has connecting block 25, wears to be equipped with connecting rod 26 on two connecting blocks 25, is provided with limiting plate 27 and lock nut 28 on the connecting rod 26, limiting plate 27 and connecting rod 26 rigid coupling, lock nut 28 and connecting rod 26 threaded connection, and two connecting blocks 25 are located between limiting plate 27 and the lock nut 28, limiting plate 27 and arbitrary connecting block 25 butt, lock nut 28 and another limiting plate 27 butt. When the two semi-circular plates 1 need to be fixed, the connecting rod 26 penetrates into the two connecting blocks 25, and the limiting plate 27 is fixedly connected with the connecting rod 26, so that after the connecting rod 26 moves for a certain distance, the connecting rod 26 stops moving under the action of the limiting plate 27, and then the locking nut 28 is installed on the connecting rod 26, and when the locking nut 28 is rotated, the connecting effect of the two connecting blocks 25 can be improved, the connecting effect of the two semi-circular plates 1 is further improved, and the two semi-circular plates 1 are convenient to detach and install.
Further optimize the scheme, semicircle spare includes regulating plate 3, and 3 bottom rigid couplings of regulating plate have a semicircle tube 4, and outside semicircle tube 4 was located standing groove 2, regulating plate 3 included straight flange and arc limit, and regulating plate 3's straight flange flushed with 4 both ends of semicircle tube, and regulating plate 3's arc limit is located standing groove 2, and regulating plate 3's arc limit and regulating part butt. The position of the half cylinders 4 is limited by the adjusting plates 3, when the two adjusting plates 3 are combined, the two half cylinders 4 are combined at the same time, so that the two half cylinders 4 form a soil sampling cylinder for containing undisturbed soil.
Among this technical scheme, the arc limit of regulating plate 3 is located standing groove 2, and the diameter of standing groove 2 will be greater than the arc limit diameter of regulating plate 3, and when not unidimensional original state soil was collected to needs, the diameter that changes the semicircle tube 4 can.
In the technical scheme, the semi-cylinder 4 has a plurality of dimension specifications so as to meet the actual test requirement as the optimization.
Further optimize the scheme, logical groove 5 has been seted up on 1 top of semicircle board, leads to groove 5 and standing groove 2 intercommunication, and the regulating part is including setting up the fixed column 6 in leading to groove 5, and fixed column 6 can dismantle with semicircle board 1 and be connected, and opening 7 has been seted up to the arc edge of regulating plate 3, and fixed column 6 is located opening 7. Lead to groove 5 and be used for placing fixed column 6, and fixed column 6 and opening 7's cooperation, on the one hand when the size of a semicircle tube 4 changes, adjust fixed column 6's position, fixed column 6 can be located opening 7 all the time to fix adjusting plate 3, on the other hand, fixed column 6 and opening 7 cooperation make adjusting plate 3 can not take place relative rotation, thereby reduced the disturbance to the original state soil, improved experimental accuracy nature.
Further optimize the scheme, 6 bottoms of fixed column and top rigid couplings respectively have spacing ring 8 and mounting panel 9, 8 tops of spacing ring and 1 bottom sliding contact of semicircle board, and a plurality of regulation holes 10 have been seted up on 1 top of semicircle board, and mounting panel 9 top threaded connection has first bolt 11, first bolt 11 and regulation hole 10 looks adaptation, and mounting panel 9 can be dismantled with semicircle board 1 through first bolt 11 and be connected. Spacing ring 8 and mounting panel 9 cooperation are used for injecing the position of fixed column 6, make fixed column 6 be located logical inslot 5, when the diameter of the original state soil that needs to change the acquirement, dismantle first bolt 11, remove mounting panel 9 to preset position, install first bolt 11 again afterwards, fix mounting panel 9, and then fix fixed column 6.
Further optimize the scheme, the supporting part includes the solid fixed ring 13 of first solid fixed ring 12 and second, first solid fixed ring 12 is located the solid fixed ring 13 top of second, and first solid fixed ring 12 passes through connecting rod 23 and the solid fixed ring 13 rigid coupling of second, the geotome is located between the solid fixed ring 13 of first solid fixed ring 12 and second, first solid fixed ring 12 center is located and is provided with connecting cylinder 14, the outer wall of connecting cylinder 14 passes through dead lever 24 and the solid fixed ring 12 rigid coupling of first solid fixed ring, 14 female connection in connecting cylinder has bull stick 15, bull stick 15 passes through connecting piece and semicircle board 1 rigid coupling. The solid fixed ring of second 13 and ground contact to support the overall device, and first solid fixed ring 12 supports bull stick 15, so that the geotome is convenient for rotate, and when needs were taken a sample, operating personnel's both feet can be stepped on the solid fixed ring of second 13, rotatory bull stick 15 simultaneously, thereby the geotome of being convenient for carries out the soil sample collection.
In this technical solution, the top end of the rotating rod 15 is fixedly connected with a handle 20. The handle 20 cooperates with the rotating rod 15 to form a T-shaped structure to facilitate rotation of the geotome.
Further optimize the scheme, the connecting piece is including setting up the plectane 16 in 1 top of semicircle board, 16 tops of plectanes and the 15 bottom rigid couplings of bull stick, 16 lateral walls rigid couplings of plectane have long board 17, and long board 17 top threaded connection has second bolt 18, and connecting hole 19 has been seted up on 1 top of semicircle board, second bolt 18 and connecting hole 19 looks adaptation. After the attachment of the earth drilling member to the semicircular plate 1 is completed, the earth drilling device and the earth drilling member are placed between the first fixing ring 12 and the second fixing ring 13, and then the earth drilling member is moved to align the attachment hole 19 with the second bolt 18, and the semicircular plate 1 is attached to the circular plate 16 by the second bolt 18 and the long plate 17 so that the long plate 17 is rotatable.
Further optimize the scheme, long board 17 quantity is four, and four long boards 17 cooperate and form X type structure, all is provided with two long boards 17 on arbitrary semicircle board 1. The long plates 17 are of an X structure, and the four long plates 17 are matched with the circular plate 16, so that the connecting effect of the two half circular plates 1 is improved, and the connecting effect of the two half cylinders 4 is improved.
According to the further optimization scheme, the soil drilling part comprises a drilling barrel 21 which is sleeved outside the two semi-circular plates 1, the drilling barrel 21 is in threaded connection with the outer side walls of the semi-circular plates 1, and a plurality of drilling teeth 22 are fixedly connected to the bottom ends of the drilling barrel 21. The drilling teeth 22 facilitate the drilling cylinder 21 and the semi-cylinder 4 to be inserted into the soil, so as to facilitate obtaining the undisturbed soil, and meanwhile, due to the existence of the drilling cylinder 21, the two semi-circular plates 1 are further reinforced.
According to a further optimized scheme, the semi-cylinder 4 is positioned in the drill cylinder 21, and the lowest end of the drill cylinder 21 is lower than the lowest end of the semi-cylinder 4. The bottommost end of the semi-cylinder 4 is positioned in the drill cylinder 21, when original soil is obtained, the drill cylinder 21 is firstly placed in the soil through the drill teeth 22, the drill cylinder 21 continues to rotate after reaching a preset depth, the semi-cylinder 4 stops rotating and samples after reaching the preset depth, and after sampling is finished, the whole device is taken out. And the lowest end of the drill cylinder 21 is lower than the lowest end of the semi-cylinder 4 so as to facilitate the semi-cylinder 4 to obtain undisturbed soil.
The working principle is as follows:
when undisturbed soil needs to be collected, the size specification of the semi-circular cylinder 4 is selected according to the actual use condition, the position of the mounting plate 9 is determined according to the size specification of the semi-circular cylinder 4, then one ends, which are not hinged, of the two semi-circular plates 1 are opened, the two adjusting plates 3 are respectively placed into the two placing grooves 2, the adjusting plates 3 are abutted to the fixing columns 6 through the notches 7, then the two semi-circular plates 1 are closed, the connecting rods 26 are inserted into the two connecting blocks 25 and are fixed through the locking nuts 28, after the two semi-circular plates 1 are fixed, the drill cylinders 21 are installed outside the two semi-circular plates 1, after the drill cylinders 21 are installed, the semi-circular plates 1 are connected with the rotating rod 15 through the long plate 17 and the second bolts 18, after the connection is finished, the handles 20 are rotated to carry out soil taking operation, after the soil taking is finished, the semi-circular plates 1 are separated from the long plate 17 according to the sequence, the drill cylinders 21 are disassembled, finally one ends, the ends, which are not hinged, the two semi-circular plates 1 are disassembled, the two semi-circular plates 4 are taken out, and the undisturbed soil is finally obtained.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (3)
1. The soil sampler directly used for the dynamic characteristic test of the undisturbed soil sample is characterized by comprising a supporting part, wherein the supporting part is internally provided with the soil sampler which is rotationally connected with the supporting part;
the soil sampler comprises two semicircular plates (1) which are oppositely arranged, the two semicircular plates (1) are detachably connected with the supporting part through connecting pieces, one ends of the two semicircular plates (1) are hinged, the other ends of the two semicircular plates (1) are detachably connected, a placing groove (2) is formed in the inner side wall of each semicircular plate (1), a semicircular piece is arranged in each placing groove (2), and the end parts of the two semicircular pieces are abutted to form a soil sampling cylinder;
the semicircular plate (1) is provided with an adjusting piece for adjusting the position of the semicircular piece, and any semicircular piece is abutted against the other semicircular piece through the adjusting piece;
the outer side wall of the semicircular plate (1) is detachably connected with a soil drilling part, and the two semicircular parts are positioned in the soil drilling part;
the semicircular piece comprises an adjusting plate (3), a semicircular cylinder (4) is fixedly connected to the bottom end of the adjusting plate (3), the semicircular cylinder (4) is located outside the placing groove (2), the adjusting plate (3) comprises a straight edge and an arc-shaped edge, the straight edge of the adjusting plate (3) is flush with two ends of the semicircular cylinder (4), the arc-shaped edge of the adjusting plate (3) is located in the placing groove (2), and the arc-shaped edge of the adjusting plate (3) is abutted to the adjusting piece;
a through groove (5) is formed in the top end of the semicircular plate (1), the through groove (5) is communicated with the placing groove (2), the adjusting piece comprises a fixing column (6) arranged in the through groove (5), the fixing column (6) is detachably connected with the semicircular plate (1), a notch (7) is formed in an arc-shaped edge of the adjusting plate (3), and the fixing column (6) is located in the notch (7);
the bottom end and the top end of the fixing column (6) are fixedly connected with a limiting ring (8) and a mounting plate (9) respectively, the top end of the limiting ring (8) is in sliding contact with the bottom end of the semicircular plate (1), a plurality of adjusting holes (10) are formed in the top end of the semicircular plate (1), a first bolt (11) is in threaded connection with the top end of the mounting plate (9), the first bolt (11) is matched with the adjusting holes (10), and the mounting plate (9) is detachably connected with the semicircular plate (1) through the first bolt (11);
the supporting part comprises a first fixing ring (12) and a second fixing ring (13), the first fixing ring (12) is located above the second fixing ring (13), the first fixing ring (12) is fixedly connected with the second fixing ring (13) through a connecting rod (23), the soil sampler is located between the first fixing ring (12) and the second fixing ring (13), the center of the first fixing ring (12) is provided with a connecting cylinder (14), the outer wall of the connecting cylinder (14) is fixedly connected with the first fixing ring (12) through a fixing rod (24), a rotating rod (15) is connected with the inner thread of the connecting cylinder (14), and the rotating rod (15) is fixedly connected with the semicircular plate (1) through the connecting piece;
the connecting piece comprises a circular plate (16) arranged above the semicircular plate (1), the top end of the circular plate (16) is fixedly connected with the bottom end of the rotating rod (15), a long plate (17) is fixedly connected to the side wall of the circular plate (16), a second bolt (18) is connected to the top end of the long plate (17) in a threaded mode, a connecting hole (19) is formed in the top end of the semicircular plate (1), and the second bolt (18) is matched with the connecting hole (19);
the number of the long plates (17) is four, the four long plates (17) are matched to form an X-shaped structure, and any one of the half-round plates (1) is provided with two long plates (17).
2. The soil sampler directly used for undisturbed soil sample dynamic characteristic test according to claim 1, wherein: bore native spare and establish two including the cover bore a section of thick bamboo (21) outside semicircle board (1), bore a section of thick bamboo (21) with semicircle board (1) lateral wall threaded connection, bore a section of thick bamboo (21) bottom rigid coupling and have a plurality of brill teeth (22).
3. The soil sampler directly used for undisturbed soil sample dynamic characteristic test according to claim 2, wherein: the semi-cylinder (4) is located in the drilling cylinder (21), and the lowest end of the drilling cylinder (21) is lower than the lowest end of the semi-cylinder (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533124.2A CN114112508B (en) | 2021-12-15 | 2021-12-15 | Soil sampler directly used for dynamic characteristic test of undisturbed soil sample |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111533124.2A CN114112508B (en) | 2021-12-15 | 2021-12-15 | Soil sampler directly used for dynamic characteristic test of undisturbed soil sample |
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| CN114112508A CN114112508A (en) | 2022-03-01 |
| CN114112508B true CN114112508B (en) | 2022-11-08 |
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| DE59801469D1 (en) * | 1998-11-13 | 2001-10-18 | Den Wildenberg Pierre Van | Culture medium container with integrated air intake and air routing geometry for air germ determination |
| CN101750234A (en) * | 2008-12-19 | 2010-06-23 | 中国科学院沈阳应用生态研究所 | Hand-holding original-state pillar collecting device |
| CN207114221U (en) * | 2017-05-19 | 2018-03-16 | 中国水利水电第五工程局有限公司 | A kind of undisturbed soil samples die trial |
| CN208446028U (en) * | 2018-07-13 | 2019-02-01 | 呼和浩特市友邦草业有限公司 | A kind of green grass seedlings of cereal crops transplantation device |
| CN110501184B (en) * | 2019-07-24 | 2021-10-22 | 华中农业大学 | Undisturbed soil sampling device |
| CN210719761U (en) * | 2019-08-13 | 2020-06-09 | 山东迈科珍生物科技有限公司 | Sampling device for soil remediation |
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