CN110954364B

CN110954364B - But column deposit of layering sample divides appearance device

Info

Publication number: CN110954364B
Application number: CN201911280400.1A
Authority: CN
Inventors: 荣楠; 王一舒; 张朝裕; 廖文; 刘晓伟; 卢文洲
Original assignee: South China Institute of Environmental Science of Ministry of Ecology and Environment
Current assignee: South China Institute of Environmental Science of Ministry of Ecology and Environment
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2022-04-01
Anticipated expiration: 2039-12-13
Also published as: CN110954364A

Abstract

The invention discloses a columnar sediment sample dividing device capable of sampling in a layered mode, and particularly relates to the technical field of sediment sample dividing. According to the invention, by arranging the layering component and the slitting component, two semicircular plates can approach each other under the action of the restoring force of the torsion spring and are inserted into a gap between two adjacent movable rings at the position to be slit, so that the columnar sediment in the layering component is cut off, then the movable rings corresponding to the cutting area are shifted, the movable rings rotate by taking the first rotating rod as a central shaft, and after the semicircular plates are separated, the sediment with the specified depth is quickly obtained.

Description

But column deposit of layering sample divides appearance device

Technical Field

The invention relates to the technical field of sediment sample division, in particular to a columnar sediment sample division device capable of sampling in a layered mode.

Background

The sediment is an important component of water areas such as rivers, lakes, reservoirs, oceans and the like, can exchange substances with overlying water bodies through various ways, the migration and transformation of pollutants such as heavy metals, organic chlorine and the like in the sediment play an important role in influencing the living environment of aquatic organisms and benthonic animals, the health condition of the sediment is undoubtedly related to the health of an aquatic ecosystem, and then the human body is influenced by a food chain, so that the method has very important significance in collecting and monitoring sediment samples.

In the process of detecting the sediments, sediments with different depths need to be measured, and the existing sample dividing device cannot accurately sample in layers.

Disclosure of Invention

In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a column-shaped sediment sample dividing device capable of sampling samples in a layered manner, and the technical problem to be solved by the present invention is: how to achieve accurate stratified sampling of the deposit.

In order to achieve the purpose, the invention provides the following technical scheme: a columnar sediment sample separation device capable of sampling in a layered mode comprises a base plate, wherein a support seat is fixedly arranged at the center of the top of the base plate, a layering component is arranged at the top of the support seat, a scale rod is fixedly arranged on one side of the support seat and is perpendicular to the top end face of the base plate, the bottom end of the scale rod is fixed with the base plate through threads, a plurality of annular grooves are uniformly distributed on the outer peripheral surface of the scale rod, and a cutting component is detachably connected inside each annular groove;

the layered assembly comprises an upper limiting ring, a movable ring and a lower limiting ring, the movable ring is arranged between the upper limiting ring and the lower limiting ring, the central points of the upper limiting ring, the movable ring and the lower limiting ring are arranged in a vertical collinear manner, two first lug plates which are axially symmetrically arranged about a vertical central line are arranged on the peripheral surface of the upper limiting ring, the top end and the bottom end of the peripheral surface of the movable ring and the top end of the peripheral surface of the lower limiting ring, the first lug plates on the two sides of the upper limiting ring, the movable ring and the lower limiting ring are arranged in a vertical collinear manner, a first rotating rod penetrates through the central position of one group of vertically collinear first lug plates, and a second rotating rod penetrates through the central position of the other group of vertically collinear first lug plates;

the slitting component comprises two positioning half rings, two handles are welded to one end of the outer peripheral face of each positioning half ring, straight bars and two handles are welded to the other end of each positioning half ring, the handles are arranged in a crossed mode, a rotating shaft and two cross points are arranged in a penetrating mode, the handles are connected through the rotating shaft in a rotating mode, a torsion spring is movably sleeved on the outer portion of the rotating shaft, two ends of the torsion spring are movably attached to the inner side wall of the corresponding handle in a corresponding mode, the straight bars are arranged in a parallel mode, a vertical plate and two semicircular plates are welded to one side of the vertical plate, and one end of each straight bar is far away from the corresponding positioning half ring.

The implementation mode is as follows: during the use, make the cylinder deposit fall on the inside of movable ring completely, fall back the bottom of second bull stick to the first otic placode position department of the first movable ring outer axial plane of treating the depth of cutting top again, and utilize two semicircle boards to be close to each other under torsion spring's restoring force effect, and insert from the gap between two adjacent movable rings of treating the position of cutting, realize cutting off the inside cylinder deposit of layering subassembly, keep the position of cutting the subassembly motionless after that, then stir the movable ring that cuts off regional correspondence, make it rotate with first bull stick as the center pin, and utilize external tray to place in the movable ring bottom, after the movable ring breaks away from the semicircle board completely, its inboard deposit can drop on external tray, so can realize detecting the deposit of appointed depth, convenient and fast.

In a preferred embodiment, the position department that the outer peripheral face both ends of first bull stick correspond upper limit ring and lower limit ring and the outer peripheral face of second bull stick all is provided with the external screw thread, and with the first otic placode threaded connection who corresponds the position, the position department that the outer peripheral face of first bull stick corresponds the activity ring sets up to the smooth surface, and with the first otic placode swing joint who corresponds the position, the inner diameter and the outer diameter homogeneous phase of upper limit ring, activity ring and lower limit ring are equal, and the setting of usable second bull stick is fixed the position of cutting, and the smooth setting in part of first bull stick outer peripheral face simultaneously can make things convenient for the activity after cutting to encircle first bull stick rotatory to obtain appointed deposit.

In a preferred embodiment, the top ends of the first rotating rod and the second rotating rod are fixedly connected with knobs, and the bottom end surfaces of the knobs are movably attached to the top end surfaces of the first ear plates, so that the knobs can be conveniently screwed out or screwed into the first rotating rod and the second rotating rod.

In a preferred embodiment, the inner diameter of the circular ring formed by the two positioning half rings is equal to the inner diameter of the annular groove, and the diameter of the circular plate formed by the two semicircular plates is equal to the outer diameter of the movable ring, so that the two positioning half rings are just embedded in the annular groove, and the position of the slitting assembly can be adjusted conveniently.

In a preferred embodiment, one of them semicircle board one side is provided with the abaculus and another semicircle board one side corresponds and is provided with the caulking groove, the caulking groove matches with the abaculus, and both are the V type setting, can reduce the resistance that receives in the cutting process.

In a preferred embodiment, a supporting and positioning mechanism is arranged between the lower limiting ring and the substrate, the supporting and positioning mechanism comprises a groove, a slot is arranged on one side of the inner cavity of the groove, an insertion block is movably inserted in the slot, second lug plates are fixedly arranged on one end of the insertion block facing the lower limiting ring and the surface of the lower limiting ring corresponding to the corresponding position, a connecting rod is arranged between the second lug plates, two ends of the connecting rod are rotatably connected with the second lug plates corresponding to the corresponding positions through a linkage rod, the insertion block can be placed in the groove, the insertion block can move along the groove, and the insertion block is inserted into the slot.

In a preferred embodiment, the top of the slot and the top of the insert block vertically penetrate through a locking hole, a locking screw is arranged in the locking hole in a matched mode, the insert block and the slot are detachably connected through the locking screw, and the layering assembly is conveniently disassembled and assembled.

In a preferred embodiment, the layered assembly is further provided with a sampling assembly inside in a matching manner, the sampling assembly comprises a rotary table, the top of the rotary table is fixedly provided with a rotating handle, the bottom of the rotary table is provided with two arc plates which are axially symmetrically arranged relative to the vertical central line axis of the rotary table, a gap is formed between the two arc plates, a baffle is arranged inside the upper limiting ring, the outer peripheral surface of the baffle is provided with two symmetrically arranged slide blocks, the inner side of the upper limiting ring is provided with a slide groove at a position corresponding to the slide block, the slide groove is annularly arranged and is slidably connected inside the slide groove, the width of the slide block is equal to the width of the gap formed between the two arc plates, the distance between the outer peripheral surface of the baffle and the inner peripheral surface of the upper limiting ring is equal to the thickness of the arc plates, the two symmetrically arranged arc plates arranged at the bottom end of the rotary table can be inserted into the layered assembly (the gap formed between the two arc plates is used as a guide groove, and vertically moving downwards along the sliding block), and directly carrying the layered assembly assembled with the arc plate to a sediment sampling point, fixing the insert block at a specified position by utilizing an anchor rod arranged outside in a matching way, then holding the layered assembly by hand, and holding the rotating handle by one hand to push the arc plate downwards for sampling.

In a preferred embodiment, a plurality of rotary cutting teeth with the same rotary cutting direction are uniformly distributed on the bottom end surface of the arc plate, the rotary cutting teeth are arranged in a half-moon-shaped manner, and the rotary cutting teeth at the bottom end of the arc plate can be used for breaking the connection between the sampling point and peripheral sediments, so that rapid sampling can be realized.

The invention has the technical effects and advantages that:

1. by arranging the layering component and the slitting component, after the columnar sediment completely falls into the movable ring, the bottom end of the second rotating rod is retracted to the position of the first lug plate of the outer axial surface of the first movable ring above the depth to be cut, the two semicircular plates approach each other under the action of the restoring force of the torsion spring and are inserted into a gap between two adjacent movable rings at the position to be cut, so that the columnar sediments in the layered assembly are cut off, then the position of the cutting assembly is kept still, then the movable ring corresponding to the cutting area is shifted to rotate by taking the first rotating rod as a central shaft, and the external tray is placed at the bottom of the movable ring until the movable ring is completely separated from the semicircular plate, the sediment on the inner side of the tray can fall on the external tray, so that the sediment with the designated depth can be detected conveniently and quickly;

2. the invention sets the layering component and the base plate into a detachable structure, and is assisted by the arc plate movably inserted in the layering component, so that a worker can relieve the locking between the layering component and the base plate in advance, and inserts the two symmetrically arranged arc plates arranged at the bottom end of the turntable into the layering component, then the layering component assembled with the arc plates can be directly carried to a deposit sampling point to be sampled, after the layering component is fixed, the arc plates acquire columnar deposits by using a rotary pushing mode, then the layering component is placed on a bracket at the top of the base plate, the layering component is fixed by using a supporting and positioning mechanism, then the arc plates are withdrawn from the layering component, and in the process of withdrawing the arc plates, the deposits can be extruded out of the arc plates by using the baffle plates on the inner side of the upper limiting ring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion B of fig. 2 according to the present invention.

Fig. 3 is a schematic view of the moving ring structure of the present invention.

Fig. 4 is a schematic view of the lower limit ring structure of the present invention.

Figure 5 is a top cross-sectional view of the slitting assembly of the present invention.

Fig. 6 is a partial cross-sectional view taken along plane a-a of fig. 5 in accordance with the present invention.

Fig. 7 is an enlarged view of the portion C of fig. 1 according to the present invention.

FIG. 8 is a schematic view of a partial structure of the assembly of the turntable and the arc plate of the present invention.

Fig. 9 is a partial structural view of the arc plate of the present invention.

The reference signs are: the device comprises a base plate 1, a bracket 2, a layering component 3, an upper limiting ring 31, a movable ring 32, a lower limiting ring 33, a first ear plate 34, a first rotating rod 35, a second rotating rod 36, a knob 37, a scale rod 4, a ring groove 5, a slitting component 6, a positioning half ring 61, a handle 62, a straight rod 63, a rotating shaft 64, a torsion spring 65, a vertical plate 66, a semicircular plate 67, a caulking groove 68, an embedding block 69, a second ear plate 7, a connecting rod 8, an inserting block 9, a groove 10, a slot 11, a locking hole 12, a locking screw 13, a rotating disc 14, an arc plate 15, a rotating handle 16, a rotary cutting tooth 17, a baffle 18, a sliding block 19 and a sliding groove 20.

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.

The invention provides a columnar sediment sample dividing device capable of sampling in a layered mode, which comprises a base plate 1, wherein a bracket 2 is fixedly arranged at the center of the top of the base plate 1, a layering component 3 is arranged at the top of the bracket 2, a scale rod 4 is fixedly arranged on one side of the bracket 2, the scale rod 4 is vertically arranged with the top end face of the base plate 1, the bottom end of the scale rod 4 is fixed with the base plate 1 through threads, a plurality of annular grooves 5 are uniformly distributed on the outer peripheral surface of the scale rod 2, and a slitting component 6 is detachably connected in each annular groove 5;

the layered assembly 3 comprises an upper limiting ring 31, a movable ring 32 and a lower limiting ring 33, wherein the movable ring 32 is arranged between the upper limiting ring 31 and the lower limiting ring 33, the central points of the upper limiting ring 31, the movable ring 32 and the lower limiting ring 33 are vertically arranged in a collinear manner, two first lug plates 34 which are axially symmetrically arranged about a vertical central line are arranged on the peripheral surface of the upper limiting ring 31, the top end and the bottom end of the peripheral surface of the movable ring 32 and the top end of the peripheral surface of the lower limiting ring, the first lug plates 34 on two sides of the upper limiting ring 31, the movable ring 32 and the lower limiting ring 33 are vertically arranged in a collinear manner, and a second rotating rod 36 penetrates through the central position of one group of vertically arranged first lug plates 34 in a collinear manner and penetrates through the central position of the other group of vertically arranged first lug plates 34;

cut subassembly 6 including two location semi-rings 61, two handle 62 and the straight-bar 63 of all welding of the other end have been all welded to the outer peripheral face one end of location semi-ring 61 handle 62 sets up alternately, and nodical department runs through and is equipped with pivot 64, two handle 62 rotates through pivot 64 and connects, the outside movable sleeve of pivot 64 is equipped with torque spring 65, and torque spring 65 both ends respectively with the handle 62 inside wall activity laminating of corresponding position, two straight-bar 63 parallel arrangement, and two straight-bar 63 keep away from the equal fixedly connected with riser 66 of one end of location semi-ring 61, two riser 66 one side all welds has semicircle board 67.

The position department that the outer peripheral face both ends of first bull 35 correspond upper limit ring 31 and lower limit ring 33 with the outer peripheral face of second bull 36 all is provided with the external screw thread, and with the first otic placode 34 threaded connection who corresponds the position, the position department that the outer peripheral face of first bull 35 corresponds activity ring 32 sets up to the smooth surface, and with the first otic placode 34 swing joint who corresponds the position, the inner diameter and the outer diameter homogeneous phase of upper limit ring 31, activity ring 32 and lower limit ring 33 equal.

The top ends of the first rotating rod 35 and the second rotating rod 36 are both fixedly connected with a knob 37, and the bottom end surface of the knob 37 is movably attached to the top end surface of the first ear plate 34.

The inner diameter of the circular ring formed by the two positioning semi-rings 61 is equal to the inner diameter of the annular groove 5, and the diameter of the circular plate formed by the two semi-circular plates 67 is equal to the outer diameter of the movable ring 32.

One of them semicircle board 67 one side is provided with abaculus 69 and another semicircle board 67 one side correspondence is provided with caulking groove 68, caulking groove 68 and abaculus 69 phase-match, and the two all is the V type setting.

As shown in fig. 1 to 6, the embodiment specifically is: in the actual use process, the layered assembly 3 can be firstly arranged on the top of the bracket 2, so as to utilize the top end surface of the bracket 2 to support the bottom end of the columnar deposit in the layered assembly 3, then the slitting assembly 6 is arranged in the annular groove 5 on the scale rod 4 according to the depth of the deposit to be detected, namely the handle 62 is held by hand, and one ends of the two crossed handles 62 far away from the positioning half rings 61 are moved towards each other by force, so that the torsion springs 65 are squeezed by the inner side walls of the two handles 62, one ends of the two crossed handles 62 close to the positioning half rings 61 move back to back, and then the two positioning half rings 61, the straight rod 63 and the half circular plate 67 are driven to open, then the opening direction is inserted into the annular groove 5, and the two positioning half rings 61 are just embedded in the annular groove 5, then the handles 62 are released, so that the two handles 62 move back to back under the restoring force of the torsion springs 65, thereby driving the two positioning semi-rings 61, the straight rod 63 and the semi-circular plates 67 to close, at this time, the cutting component 6 can rotate by taking the scale rod 4 as a central shaft, when the sample division operation of a specific depth is required to be carried out on the cylindrical sediment in the layered component 3, the knob 37 at the top end of the second rotating rod 36 can be screwed, so that the bottom end of the second rotating rod 36 is retracted to the position of the first ear plate 34 on the outer axial surface of the first movable ring 32 above the depth to be cut, then the handle 62 is tightly held, the two semi-circular plates 67 are opened and positioned at the position of the movable ring 32 corresponding to the position, then the handle 62 is loosened, so that the two semi-circular plates 67 are close to each other under the restoring force of the torsion spring 65 and are inserted from the gap between the two adjacent movable rings at the position to be cut, so as to cut off the cylindrical sediment in the layered component 3, in the process, as one side of one of the semi-circular plate 67 is provided with the embedded block 69 and the side of the other semi-circular plate 67 is correspondingly provided with the matched with the embedded block 69 The caulking grooves 68 are arranged in a V shape, so that resistance force applied in the cutting process can be reduced, after the columnar sediments are cut off, the position of the slitting component 6 is kept still, then the movable ring 32 corresponding to the cutting area is shifted to rotate by taking the first rotating rod 35 as a central shaft, the external tray is placed at the bottom of the movable ring 32, and after the movable ring 32 is completely separated from the semicircular plate 67, sediments in the inner side of the movable ring can drop on the external tray, so that the sediments with the appointed depth can be detected conveniently and quickly, and the problem that the existing sample separating device cannot detect the sediments with different depths in a layering manner is specifically solved;

further, in this embodiment, semicircle board 67 is provided with two sets ofly, and set up top and top in riser 66 one side respectively, and the distance between two sets of semicircle boards 67 about equals with activity ring 32's height, activity ring 32's quantity also is provided with the multiunit simultaneously, make things convenient for the staff to come the activity ring 32 of different quantity according to the actual sampling demand, and scale pole 4, first bull stick 35 and second bull stick 36 all are provided with the specification of multiple difference, thereby realize adjusting layered component 3's height to the sampling demand.

Be provided with between lower spacing ring 33 and the base plate 1 and support positioning mechanism, support positioning mechanism is including recess 10, recess 10 inner chamber one side is provided with slot 11, the inside activity of slot 11 is pegged graft and is had inserted block 9, the one end of inserted block 9 face lower spacing ring 33 and the lower spacing ring 33 surface that corresponds the position all fixed second otic placode 7 that is equipped with, two be provided with connecting rod 8 between the second otic placode 7, and the connecting rod 8 both ends all rotate through gangbar and the second otic placode 7 that corresponds the position and are connected.

The top of the slot 11 and the top of the insert block 9 are both vertically provided with locking holes 12 in a penetrating mode, locking screws 13 are arranged in the locking holes 12 in a matching mode, and the insert block 9 and the slot 11 are detachably connected through the locking screws 13.

As shown in fig. 1 and 7, the embodiment specifically includes: in the practical use process, after the layered assembly is placed on the bracket 2, the layered assembly and the substrate 1 can be fixed by using the supporting and positioning mechanism, namely, the insert block 9 is placed in the groove 10, the insert block 9 moves along the groove 10, the insert block 9 is inserted into the slot 11, the circle centers of the locking hole 12 on the insert block 9 and the locking hole 12 on the slot 11 are vertically arranged in a collinear way, and then the locking screw 13 is screwed into the locking hole 12 to fix the layered assembly 3, so that the problem of poor fixing effect of the layered assembly 3 in the technical scheme is further solved;

further, in this embodiment, the three grooves 10 on the top of the substrate 1 may be disposed in an annular shape at equal intervals, so that the connecting rods 8 are distributed in a triangular cone shape after being opened, and the stability of the supporting and positioning mechanism during supporting can be greatly improved.

The inside still supporting sampling subassembly that is equipped with of layering subassembly 3, the sampling subassembly is including carousel 14, the fixed turning handle 16 and the bottom that is equipped with in carousel 14 top are provided with two arc boards 15 that are axisymmetric setting to the central line axis about carousel 14 is vertical, and are formed with the gap between two arc boards 15, go up the inside baffle 18 that is provided with of spacing ring 31, the baffle 18 outer peripheral face is provided with the slider 19 that two symmetries set up, the inboard position department that corresponds the slider of spacing ring 31 is provided with spout 20 on, spout 20 is the annular setting, and slider 19 sliding connection is inside spout 20, the width of slider 19 equals with the gap width that forms between two arc boards 15, the distance between baffle 18 outer peripheral face and the last spacing ring 31 inner peripheral face equals the thickness of arc board 15.

A plurality of rotary cutting teeth 17 with the same rotary cutting direction are uniformly distributed on the bottom end surface of the arc plate 15, and the rotary cutting teeth 17 are arranged in a half-crescent shape.

As shown in fig. 1-2 and fig. 8-9, the embodiment specifically is: in the actual use process, a worker can remove the locking between the layered component 3 and the substrate 1 in advance, insert two symmetrically arranged arc plates 15 arranged at the bottom end of the turntable 14 into the layered component 3 (a gap formed between the two arc plates 15 is used as a guide groove and vertically moves downwards along a sliding block 19), then directly carry the layered component provided with the arc plates 15 to a sediment sampling point, fix the insert block 9 at a specified position by using an anchor rod arranged outside in a matching way, hold the layered component 3 with one hand, hold the rotating handle 16 with one hand to push the arc plates 15 downwards, when the bottom end of the arc plates 15 is contacted with a sampling surface, drive the turntable 14 to rotate by using the rotating handle 16 while pushing the arc plates 15 downwards, thereby driving the arc plates 15 to rotate, further break the connection between the sampling point and the peripheral sediment by using the rotary cutting teeth 17 at the bottom end of the arc plates 15, can realize the sample, and fix layered assembly 3 on base plate 1 and when needing to take out the column deposit between two arc plates 15, only need upwards stimulate and change 16 to limit pulling limit drives carousel 14 and rotates, can withdraw from layered assembly 3 with arc plate 15, and withdrawing from arc plate 15 to the in-process, arc plate 15 is extruded with the deposit to baffle 18 that the spacing ring 31 is inboard on the usable, and current branch appearance device function singleness's problem has specifically been solved to this embodiment.

The working principle of the invention is as follows:

in the actual use process, the staff can remove the locking between the layered assembly 3 and the base plate 1 in advance, and insert the two symmetrically arranged arc plates 15 installed at the bottom end of the turntable 14 into the layered assembly 3, then the layered assembly equipped with the arc plates 15 can be directly carried to the position of the deposit to be sampled, after the fixation, the arc plates 15 can obtain columnar deposits by means of rotating and pushing, then the layered assembly 3 is placed on the bracket 2 at the top of the base plate 1, the layered assembly 3 is fixed by the supporting and positioning mechanism, then the arc plates 15 are withdrawn from the layered assembly 3, in the process of withdrawing the arc plates 15, the deposits can be extruded out of the arc plates 15 by the baffle plates 18 at the inner side of the upper limiting ring 31, so that the columnar deposits completely fall into the inner part of the movable ring 32, then the bottom end of the second rotating rod 36 is withdrawn to the position of the first ear plate 34 on the outer axial surface of the first movable ring 32 above the depth to be cut, and utilize two semicircle boards 67 to be close to each other under torsion spring 65's restoring force effect, and insert from the gap between two adjacent movable rings of waiting to cut the position, realize cutting off the inside column deposit of layering subassembly 3, keep cutting the position of subassembly 6 motionless after that, then stir the movable ring 32 that cuts off regional correspondence, make it use first bull stick 35 to rotate as the center pin, and place in movable ring 32 bottom utilizing external tray, after movable ring 32 breaks away from semicircle board 67 completely, the deposit of its inboard can drop on external tray, so can realize detecting the deposit of appointed degree of depth, convenient and fast.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A columnar sediment sample separation device capable of layered sampling comprises a substrate (1), and is characterized in that: a supporting seat (2) is fixedly arranged at the center of the top of the base plate (1), a layering component (3) is arranged at the top of the supporting seat (2), a scale rod (4) is fixedly arranged on one side of the supporting seat (2), the scale rod (4) is perpendicular to the top end face of the base plate (1), the bottom end of the scale rod (4) is fixed with the base plate (1) through threads, a plurality of annular grooves (5) are uniformly distributed on the outer peripheral surface of the scale rod (4), and a slitting component (6) is detachably connected in each annular groove (5);

the layered assembly (3) comprises an upper limit ring (31), a movable ring (32) and a lower limit ring (33), the movable ring (32) is arranged between the upper limit ring (31) and the lower limit ring (33), and the central points of the upper limit ring (31), the movable ring (32) and the lower limit ring (33) are vertically arranged in a collinear way, the peripheral surface of the upper limiting ring (31), the top end and the bottom end of the peripheral surface of the movable ring (32) and the top end of the peripheral surface of the lower limiting ring are respectively provided with two first ear plates (34) which are axially symmetrical about a vertical central line, and the upper limit ring (31), the movable ring (32) and the first ear plates (34) at the two sides of the lower limit ring (33) are vertically arranged in a collinear way, a first rotating rod (35) penetrates through the center of one group of the first ear plates (34) which are vertically arranged in a collinear manner, and a second rotating rod (36) penetrates through the center of the other group of the first ear plates (34) which are vertically arranged in a collinear manner;

the slitting component (6) comprises two positioning half rings (61), handles (62) are welded at one end of the outer peripheral surfaces of the two positioning half rings (61), straight rods (63) are welded at the other end of the outer peripheral surfaces of the two positioning half rings (61), the two handles (62) are arranged in a crossed mode, a rotating shaft (64) penetrates through the intersection point, the two handles (62) are rotatably connected through the rotating shaft (64), a torsion spring (65) is movably sleeved outside the rotating shaft (64), two ends of the torsion spring (65) are movably attached to the inner side wall of the handle (62) in the corresponding position respectively, the two straight rods (63) are arranged in parallel, one end, far away from the positioning half rings (61), of each of the two straight rods (63) is fixedly connected with a vertical plate (66), and a semicircular plate (67) is welded on one side of each vertical plate (66);

the inside of the layered component (3) is also provided with a sampling component in a matching way, the sampling component comprises a turntable (14), the top of the rotary table (14) is fixedly provided with a rotary handle (16) and the bottom is provided with two arc plates (15) which are axially symmetrically arranged relative to the vertical central line axis of the rotary table (14), a gap is formed between the two arc plates (15), a baffle plate (18) is arranged inside the upper limiting ring (31), two symmetrically arranged slide blocks (19) are arranged on the peripheral surface of the baffle plate (18), a sliding groove (20) is arranged at the position of the inner side of the upper limiting ring (31) corresponding to the sliding block, the sliding groove (20) is annularly arranged, and the sliding block (19) is connected inside the sliding groove (20) in a sliding way, the width of the sliding block (19) is equal to the width of a gap formed between the two arc plates (15), the distance between the outer peripheral surface of the baffle (18) and the inner peripheral surface of the upper limiting ring (31) is equal to the thickness of the arc plate (15);

the bottom end face of the arc plate (15) is uniformly distributed with a plurality of rotary cutting teeth (17) with the same rotary cutting direction, and the rotary cutting teeth (17) are arranged in a half-moon tooth shape.

2. The apparatus of claim 1, wherein the apparatus further comprises: the position department of spacing ring (31) and lower spacing ring (33) on the outer peripheral face both ends correspondence of first bull stick (35) and the outer peripheral face of second bull stick (36) all is provided with the external screw thread, and with first otic placode (34) threaded connection who corresponds the position, the position department that the outer peripheral face of first bull stick (35) corresponds activity ring (32) sets up to the smooth surface, and with first otic placode (34) swing joint who corresponds the position, go up the equal of inner diameter and the outer diameter of spacing ring (31), activity ring (32) and lower spacing ring (33) down.

3. The apparatus of claim 1, wherein the apparatus further comprises: the top ends of the first rotating rod (35) and the second rotating rod (36) are fixedly connected with knobs (37), and the bottom end faces of the knobs (37) are movably attached to the top end faces of the first ear plates (34).

4. The apparatus of claim 1, wherein the apparatus further comprises: the inner diameter of a circular ring formed by the two positioning semi-rings (61) is equal to the inner diameter of the annular groove (5), and the diameter of a circular plate formed by the two semi-circular plates (67) is equal to the outer diameter of the movable ring (32).

5. The apparatus of claim 1, wherein the apparatus further comprises: wherein one semicircle board (67) one side is provided with abaculus (69) and another semicircle board (67) one side correspondence is provided with caulking groove (68), caulking groove (68) and abaculus (69) phase-match, and the two all is the V type setting.

6. The apparatus of claim 1, wherein the apparatus further comprises: be provided with between lower spacing ring (33) and base plate (1) and support positioning mechanism, support positioning mechanism including recess (10), recess (10) inner chamber one side is provided with slot (11), slot (11) inside activity is pegged graft and is had inserted block (9), the one end of inserted block (9) face down spacing ring (33) and lower spacing ring (33) surface that corresponds the position all fixed be equipped with second otic placode (7), two be provided with connecting rod (8) between second otic placode (7), and connecting rod (8) both ends all rotate with second otic placode (7) that correspond the position through the gangbar and be connected.

7. The apparatus of claim 6, wherein: the locking device is characterized in that locking holes (12) are vertically formed in the top of the slot (11) and the top of the insert block (9) in a penetrating mode, locking screws (13) are arranged in the locking holes (12) in a matched mode, and the insert block (9) and the slot (11) are detachably connected through the locking screws (13).