CN208736699U - A kind of soil sampling apparatus for soil environment Risk assessment - Google Patents

Abstract

A kind of soil sampling apparatus for soil environment Risk assessment, outer cylinder including coaxial arrangement and the sampling inner tube positioned at outer barrel, driving motor straight down is provided with above outer cylinder, the output end of driving motor is connected with horizontally disposed connection turntable, the upper horizontal of connection turntable is provided with supporting plate, driving motor is arranged on supporting plate, the lower end surface for connecting turntable is connected by the upper end of connecting rod and outer cylinder, is connected and is connect by the thrust bearing horizontally rotated with the upper end of sampling inner tube at the center of turntable；Outer cylinder is internally provided with Limit Bearing, sample the inner ring that inner tube passes through Limit Bearing, the lower end of outer cylinder is connected with chisel bit, the sampling through-hole of upper and lower opening is provided in the axial direction at chisel bit center, the outer ring of outer cylinder is surrounded with screw blade, and the utility model has the advantages that easy to operate, high degree of automation, small into soil resistance and sampling SOIL DISTRIBUTION is uniform in a word.

Description

A kind of soil sampling apparatus for soil environment Risk assessment

Technical field

The utility model relates to soil sample technical field more particularly to a kind of soil for soil environment Risk assessment Sampler.

Background technique

Soil environment Risk assessment, which refers to, according to pollutant accumulation trend to be predicted the variation of soil environment quality Investigation and assessment work, first at assessment initial stage to needing the region for carrying out Soil K+adsorption to carry out sampling operation of layouting, soil sample Device is common sampling tool；There are many current soil sampling apparatus, and most common soil sampling apparatus is mostly original Sampling pipe is inserted into soil, not only labor intensive but also sampling efficiency is low by hand-operated sampling device by manpower；Part soil takes Sampling device uses the drill bit sampler of direct Push Technology, i.e. drill bit drives probe tube vertically to decline in soil, passes through pressure Contracting enters soil in probe tube, but such limited into the depth in soil, is not suitable for deeper region or geology Harder region uses, while the samples-soil taken out also will disperse in sampling dish, can not correctly react the depth of soil Distribution situation, in sampling process, soil will receive screw extrusion and deforms other part soil sampling apparatus, make in soil Different material moves, to can not really reflect the true distribution situation of soil.

Utility model content

The utility model provides a kind of soil sampling apparatus for soil environment Risk assessment, to solve existing probe tube Take out the technical issues of soil is squeezed and deformed in inconvenient and probe tube.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: one kind is damaged for soil environment The soil sampling apparatus of assessment, the outer cylinder including coaxial arrangement and the sampling inner tube positioned at outer barrel, the top setting of outer cylinder There is driving motor straight down, the output end of driving motor is connected with horizontally disposed connection turntable, and connection turntable is located at outer The top of cylinder, the lower surface for connecting turntable are connected by the upper end of connecting rod and outer cylinder, connect and pass through level at the center of turntable The thrust bearing of rotation is connect with the upper end of sampling inner tube；Outer cylinder is internally provided with Limit Bearing, and sampling inner tube passes through limit The inner ring of bearing, the lower end of outer cylinder are connected with chisel bit, the sampling of upper and lower opening are provided in the axial direction at chisel bit center Through-hole, the internal diameter for sampling through-hole are less than the internal diameter of sampling inner tube, sample the lower end of inner tube and the upper end face contact of chisel bit, outside The outer ring of cylinder is surrounded with screw blade, and the upper horizontal for connecting turntable is provided with supporting plate, and driving motor is arranged in bracket On plate, the output end of driving motor passes vertically through supporting plate, and the left and right ends of supporting plate are respectively connected with pushing handle, and connecting rod is perpendicular Between connection turntable and outer cylinder, connecting rod includes positioned at the first connecting rod sampled on the left of inner tube and being located at sampling for straight setting The lower end of the second connecting rod on the right side of inner tube, first connecting rod and the second connecting rod is connect with outer cylinder, first connecting rod it is upper End is hinged with the left end for connecting turntable, and the upper end of the second connecting rod is detachably connected by attachment device with the right end for connecting turntable It connects, the upper end for sampling inner tube is provided with link block, and the top of link block is provided with the bearing groove of opening upwards, and thrust bearing is located at The inside of bearing groove, the inner ring of thrust bearing are provided with the guide groove that Open Side Down with turntable connection, the lower part of link block is connect, The upper end of sampling inner tube is deep into guide groove.

Further, the upper end closed setting of inner tube is sampled, the upper end for sampling inner tube is vertically arranged with connection guide post, connects The lower end of guide post is fixedly connected with the upper end of sampling inner tube, and the upper end for connecting guide post is deep into the inside of guide groove.

Further, it samples and is provided with multiple air through hole on the upper surface of inner tube, multiple air through hole are arranged at company It connects between guide post and outer cylinder, multiple air through hole are connected to the inside of sampling inner tube.

Further, connection turntable lower end surface is connected with bearing connecting column straight down, the output end position of driving motor In the top of connection turntable, the upper end of bearing connecting column is located at the center point of connection turntable, and the inner ring of thrust bearing is set in axis Hold the lower end of connecting column.

Further, sampling inner tube includes closing section and middle node, and the top of sampling inner tube, closing section is arranged in closing section Upper end closed, the lower section of closing section is arranged in middle node, and middle node is multiple and be vertically arranged from top to bottom, adjacent centre Section is sequentially connected by screw thread, and the middle node positioned at the top is connect with the lower thread of closing section, positioned at the centre of bottom The lower end of section is contacted with chisel bit, the rotation of the delivery end of the hand of spiral and driving motor of closing section and middle node internal screw thread It is contrary, prevent closing from saving the rotation generation the connection between middle node and between adjacent middle section with driving motor It loosens.

Further, the upper end setting of first connecting rod is there are two interconnecting piece straight up, and two interconnecting pieces are along a left side Right direction is arranged, and the left end that the connection through-hole connection turntable of front-rear direction extension is provided in two interconnecting pieces is provided with opening Connection through slot to the left, connects the fixed part extended in left-right direction that is internally provided with of through slot, fixed part level to the left and with The right end of fixed part is deep into inside connection through slot straight up with turntable connection, two interconnecting pieces are connect and is located at fixation The front side in portion and rear side are provided with the corresponding fixed hole of connection lead to the hole site on fixed part, connect the left end setting of turntable There is the articulated shaft that through-hole and fixed hole are connected across two.

Further, attachment device includes connecting groove and thumb screw, and Open Side Down that setting turns in connection for connecting groove The right end of disk, the top of the second connecting rod are located to the inside of connecting groove, and the right end of rotating disc, butterfly is arranged in thumb screw Screw rod level sequentially passes through connection turntable and the second connecting rod to the left, and the top that the second connecting rod is arranged in and connect turntable Tapped through hole connection inside right end.

Further, the lower end of screw blade and the bottom of outer cylinder are concordant.

Further, electric motor protecting shell is provided on supporting plate, driving motor is located at the inside of electric motor protecting shell, and motor is protected Protective case is fixedly connected with supporting plate.

Further, it pushes handle to be horizontally disposed with, two pushing handles are symmetrical set about driving motor.

Compared with the existing technology, the utility model has the following beneficial effects: the utility model drives sampling inner tube using outer cylinder Raising and lowering, is deep into inside soil using sampling inner tube and carries soil rising and be sampled, and is supported and is driven using supporting plate Dynamic motor drives connection turntable rotation using driving motor, outer cylinder rotation is driven using connection turntable and connecting rod, using limit Bearing connects outer cylinder and sampling inner tube, and guarantees that sampling inner tube does not follow outer cylinder to rotate in outer cylinder rotation, using chisel bit Facilitate outer cylinder to move downward, using sampling through-hole facilitate soil to enter sampling internal tube, using screw blade facilitate outer cylinder to Lower movement, it is concordant using the lower end of screw blade and the bottom of outer cylinder, the area coverage of screw blade can be increased, using pushing Handle drives supporting plate to move downward, to drive connection turntable to transport downwards by the output end of electric motor protecting shell and motor shaft It is dynamic, to drive outer cylinder and sampling inner tube to move downward by connection guide post, link block and thrust bearing, make to connect using connecting rod Switching through disk can drive outer cylinder to rotate, and make to connect the rotation of driven by rotary disc outer cylinder, upper end using first connecting rod with connect turntable Left end is hingedly and the upper end of the second connecting rod is easy to connect in opening fixing card with the right end for connecting turntable by fixed card buckle Overturning connection turntable promotes sampling inner tube to separate with turntable is connected in left-right direction after button, then easily takes out and replacement samples Inner tube can make to remain to while connecting turntable pressing sampling inner tube using thrust bearing, interconnecting piece, bearing groove and guide groove Guarantee that sampling inner tube relative to connection turntable rotation, prevents the inner and outer air pressure of sampling inner tube to be consistent, prevent using air through hole The case where gas only compressed hinders soil to enter sampling inner tube generation, using connection through-hole, fixed hole, connection through slot and hinge Spindle can guarantee the stabilization of first connecting rod, guarantee the reverses direction of connection turntable, while the second connecting rod can be made to follow It is withstood more force when connection turntable rotation, using thumb screw, tapped through hole and connecting groove, facilitates the second connecting rod of connection With connection turntable, while can quickly through rotation thumb screw open the second connecting rod and connect turntable connection, using electricity Machine protective shell protects driving motor, and is transferred to handle is pushed on driving motor to the lower pressure of supporting plate, pushes away Dynamic driving motor moves straight down；The utility model drives outer cylinder rotation using driving motor in a word, can be deep into relatively deep Soil layer, and using connection turntable and connecting rod hingedly facilitate sampling inner tube taking-up, have easy to operate, the degree of automation It is high, into the advantage that soil resistance is small and sampling SOIL DISTRIBUTION is uniform.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the connection schematic diagram of bearing connecting column and thrust bearing；

Fig. 3 is the connection schematic diagram for connecting turntable and articulated shaft；

Fig. 4 is the connection schematic diagram of first connecting rod and interconnecting piece；

Fig. 5 is air through hole and the connection schematic diagram for sampling inner tube；

Fig. 6 is the connection schematic diagram of closing section and external screw thread plug；

Fig. 7 is intermediate and internal screw thread lid connection schematic diagram；

Fig. 8 is the structural schematic diagram for connecting the utility model when turntable is turned to the position for being parallel to first connecting rod；

Fig. 9 is the connection schematic diagram of driving motor and thrust bearing when driving motor and thrust bearing are directly connected to.

In figure: 1, outer cylinder 2, sampling inner tube 3, Limit Bearing 4, connection turntable 5, supporting plate 6, driving motor 7, electricity Machine protective shell 8, bearing connecting column 9, connection guide post 10, link block 11, bearing groove 12, thrust bearing 13, guide groove 14, chisel bit 15, sampling through-hole 16, screw blade 17, first connecting rod 18, the second connecting rod 19, interconnecting piece 20, Fixed part 21, articulated shaft 23, connecting groove 24, thumb screw 25, air through hole 26, pushes handle at connection through slot 22 201, closing section 202, middle node 203, external screw thread plug 204, internal screw thread lid.

Specific embodiment

Embodiment 1: as shown in Figures 1 to 8, a kind of soil sampling apparatus for soil environment Risk assessment, including it is same The outer cylinder 1 of axis setting and the sampling inner tube 2 inside outer cylinder 1, the inside of outer cylinder 1 is horizontally disposed up and down, and there are two Limit Bearings 3, the outer ring of two Limit Bearings 3 is fixedly connected with the inner surface of outer cylinder 1 respectively, and sampling inner tube 2 is each passed through two limit shafts 3 inner ring is held, the upper horizontal of outer cylinder 1 is provided with connection turntable 4, and the top of connection turntable 4 is provided with supporting plate 5, supporting plate 5 On be provided with driving motor 6 straight down, be provided with electric motor protecting shell 7 on supporting plate 5, driving motor 6 is located at electric motor protecting The inside of shell 7.In the present embodiment, the lower end of electric motor protecting shell 7 is fixedly connected with the upper surface of supporting plate 5, electric motor protecting shell 7 Upper end inner sidewall is contacted with the upper end face of driving motor 6, and the lower end of 6 shell of driving motor and the upper surface of supporting plate 5 are fixed Connection, can be moved downward by pressing stent plate 5 further to press driving motor 6；The output end of driving motor 6 is worn vertically Supporting plate 5 is crossed, the output end of driving motor 6 is fixedly connected with the upper surface for connecting turntable 4, in the present embodiment, driving motor 6 Output end can be rotatablely connected by the supporting plate bearing and supporting plate 5 that 5 center position of supporting plate is arranged in；Driving motor 6 is adopted With YE series low-speed motor, revolving speed is adjustable within the scope of 0.83rmin -300rmin, has the advantages that the slow-speed of revolution, large torque, energy Enough meet the use that drills through of soil, while lithium battery power supply can be used in YE series low-speed motor, and field sampling is facilitated to use.

In the present embodiment, connection turntable 4 is round turntable, and the output end of driving motor 6 is fixed on the center of circle of connection turntable 4 Place, connection 4 lower end surface the center point of turntable is connected with bearing connecting column 8 straight down, while the upper end closed for sampling inner tube 2 is set It sets, the upper end of sampling inner tube 2 is vertically arranged with connection guide post 9, connects the lower end of guide post 9 and the upper surface center of circle of sampling inner tube 2 Place is fixedly connected, and is provided with link block 10 between bearing connecting column 8 and connection guide post 9, the top of link block 10 is provided with opening Upward bearing groove 11 is provided with the thrust bearing 12 horizontally rotated in bearing groove 11, and the lower end of bearing connecting column 8 is fixed on only In the inner ring of thrust bearing 12, the outer ring of thrust bearing 12 and bearing groove 11 are fixed, and thrust bearing 12 uses big cone angle in this example Double row tapered roller bearing or inseparable formula self-aligning ball bearing, can bear the active force in biggish axial direction, while can also Active force radially is born, the downward thrust of bearing connecting column 8 can be transmitted on link block 10；The lower part of link block 10 It is provided with the guide groove 13 that Open Side Down, the upper end of connection guide post 9 is located at the inside of guide groove 13.Two Limit Bearings 3 and only The setting of thrust bearing 12 can entirely be taken during outer cylinder 1 rotates down or up by the drag effect holding of soil Sample inner tube 2 not can rotate in soil, so that the soil for entering sampling inner tube 2 is not will receive torsion, soil sample will not occur and exist Extrusion deformation in circumferential direction, to react soil truth in subsequent research.

The lower end of outer cylinder 1 is connected with the chisel bit 14 of cone, is provided in the axial direction at 14 center of chisel bit up and down The sampling through-hole 15 of opening, the inner cavity that the utility model samples inner tube 2 when in use are connected to sampling through-hole 15, facilitate soil logical Over sampling through-hole 15 enters the inside of sampling inner tube 2, and the internal diameter of sampling through-hole 15 is less than the internal diameter 0.5cm- of sampling inner tube 2 1cm, so that the upper end face contact of the lower end of sampling inner tube 2 and chisel bit 14, plays limit to the lower end of sampling inner tube 2 and make With preventing sampling inner tube 2 from continuing to move downward and be detached from outer cylinder 1, while soil can also effectively be avoided to enter outer cylinder 1 and sampling In gap between inner tube 2.The outer ring of outer cylinder 1 is surrounded with screw blade 16, the lower end of screw blade 16 and the bottom of outer cylinder 1 Portion is concordant, is capable of increasing the area coverage of screw blade 16, and outer cylinder 1 is made more to smoothly enter the soil of deeper.

The lower surface of connection turntable 4 is connect by symmetrically arranged two connecting rods with the upper end of outer cylinder 1, two connecting rods Respectively it is located at the first connecting rod 17 in 2 left side of sampling inner tube and the second connecting rod 18 positioned at 2 right side of sampling inner tube, first connects Extension bar 17 and the second connecting rod 18 are vertically arranged between outer cylinder 1 and connection turntable 4, first connecting rod 17 and the second connecting rod 18 lower end is fixedly connected with outer cylinder 1, and the lower end of first connecting rod 17 and the second connecting rod 18 passes through welding in this example Mode connect with outer cylinder 1, the upper end of first connecting rod 17 is hinged with the left end for connecting turntable 4, specific articulated structure are as follows: first The upper end setting of connecting rod 17 is there are two interconnecting piece 19 straight up, and two interconnecting pieces 19 are in the upper surface of first connecting rod 17 On be arranged in left-right direction, be provided in two interconnecting pieces 19 front-rear direction extension connection through-hole, connect turntable 4 a left side End is provided with the connection through slot 21 of opening to the left, and first connecting rod 17 is located at the underface of connection through slot 21, connection through slot 21 It is internally provided with horizontal fixed part 20 to the left, the right end of fixed part 20 is wholely set with turntable 4 is connect, and two interconnecting pieces 19 are equal It passes through connection through slot 21 straight up and is located at front side and the rear side of fixed part 20, it is logical that connection is provided on fixed part 20 The corresponding fixed hole in hole site, the left end of connection turntable 4 are provided with front-rear direction across two connection through-holes and fixed hole Articulated shaft 22, can make fixed part 20 and entire connection turntable 4 around articulated shaft in the case where first connecting rod 17 is fixed 22 rotations, articulated shaft 22 pass through connection turntable 4 and with the front-end and back-end of articulated shaft 22 and the connection for connecting turntable 4 there are many Mode is the prior art, no longer does detailed introduction herein, and the top and bottom of connection through slot 21 are open setting, works as branch When frame plate 5 rotates counterclockwise to vertical position, the left end of fixed part 20 turns between two interconnecting pieces 19 and is located at simultaneously and cuts with scissors It is not in that the left end of fixed part 20 snaps into the left side of first connecting rod 17 between spindle 22 and the top of first connecting rod 17 It happens；The right end of connection turntable 4 is provided with the connecting groove 23 that Open Side Down, and the top of the second connecting rod 18 is located at connection It the inside of groove 23 and is detachably connected with turntable 4 is connect, the right part of the connection turntable 4 in this example is horizontally disposed butterfly spiral shell Bar 24, thumb screw 24 is horizontal to sequentially pass through connection turntable 4 and the second connecting rod 18 to the left, and the second connecting rod 18 is arranged in Top and connection turntable 4 right end inside tapped through hole connection, can by rotate to the left take out thumb screw 24 can be complete At the separation of the second connecting rod 18 and connection turntable 4.

It samples and is provided with multiple air through hole 25 on the upper surface of inner tube 2, multiple air through hole 25 are arranged at connection and lead Between column 9 and outer cylinder 1, multiple air through hole 25 are connected to the inside of sampling inner tube 2, make the inner and outer air pressure one for sampling inner tube 2 It causes, convenient for sampling the decline of inner tube 2；Sampling inner tube includes closing section 201 and middle node 202, and closing section 201 is arranged in sampling The top of pipe 2, closing save 201 upper end closed and are fixedly connected with guide post 9 is connect, and closing section 201 is arranged in middle node 202 Lower section, middle node 202 are multiple and are vertically arranged from top to bottom, lower end and chisel bit positioned at the middle node 202 of bottom 14 contact, and the middle node 202 in this example is two, and the lower end of closing section 201 is provided with internal screw thread, the upper end of middle node 202 It is provided with external screw thread, the lower end of middle node 202 is provided with internal screw thread, between closing section 201 and middle node 202 and adjacent It is connected by internal screw thread with external screw thread between two middle nodes 202, after sampling the taking-up of inner tube 2, by rotating middle node 202, Closing section 201 and middle node 202 are successively disconnected, and go out to connect external screw thread in the inner thread mouth of closing section 201 and middle node 202 Plug 203 connects internal screw thread lid 204 at the external screw thread mouth of middle node 202, is sealed by external screw thread plug 203 and internal screw thread lid 204 Closing section 201 and middle node 202 will sample in the closing of the soil in inner tube 2 to different middle nodes 202 and closing section 201, side Just subsequent classification and carrying can more really react the actual conditions (such as moisture) of the soil of different depth, after convenient Continuous soil investigation；The left and right ends of supporting plate 5, which are respectively connected with, pushes handle 26, and two pushing handles 26 are horizontally disposed, side Just staff holds and pushes outer cylinder 1, and two push the left and right side that handle 26 is located at outer cylinder 1, two lower handles Hand 26 is symmetrical set about driving motor 6, it is easier to guarantee that driving motor 6 is vertically lowered, it can be by pushing handle 26 It drives supporting plate 5 to move downward, and electric motor protecting shell 7 is combined finally driving motor 6 to be driven to move downward.

In practical applications, there are many driving motor 6 and 10 connection types of link block, approximately, as shown in figure 9, driving The output end of motor 6 passes through connection turntable 4 and is arranged, and the output end of driving motor 6 is fixedly connected with turntable 4 is connect, driving motor 6 Output end be deep into inside bearing groove 11, the inner ring of thrust bearing 12 is set on the output end of driving motor 6, driving motor 6 can drive link block 10 to move downward during decline by thrust bearing 12 and bearing groove 11, while still ensure that sampling The relative rotation of inner tube 2 and connection turntable 4.

The utility model is inserted into the connection that thumb screw 24 guarantees the second connecting rod 18 with connect turntable 4, so when implementing Guarantee that outer cylinder 1 is vertically arranged afterwards, for chisel bit 14 against on the ground, unlatching driving motor 6 passes through two pushing handles simultaneously 26 push supporting plate 5, and driving motor 6 drives connection turntable 4 to rotate, and connection turntable 4 passes through first connecting rod 17 and the second connection Bar 18 drives outer cylinder 1 to rotate；In the rotation process of outer cylinder 1, under the action of pushing handle 26, supporting plate 5 is moved downward, branch Frame plate 5 and electric motor protecting shell 7 push driving motor 6, and driving motor 6 is driven to move downward, and then driving motor 6 pushes connection and turns Disk 4 drives connection turntable 4 to move downward, and band dynamic bearing connecting column 8 moves downward connection turntable 4 in the course of rotation, bearing Connecting column 8, which pushes link block 10 by thrust bearing 12 and bearing groove 11, moves downward link block 10, and link block 10 is by leading Pushing connection guide post 9 to slot 13 drives connection guide post 9 to move downward, and connection guide post 9 drives sampling inner tube 2 to move downward, thus Sampling inner tube 2 moves downwardly into the inside of soil, and screw blade 16 and chisel bit 14 are more convenient outer cylinder 1 and pierce soil, The setting of Limit Bearing 3 and thrust bearing 12 makes sampling inner tube 2 that outer cylinder 1 not followed to rotate under the resistance of soil, but still downwards Movement；After soil sample, reverse rotation driving motor 6 lifts then up pushes handle 26, samples inner tube 2 by auger The active force of first 14 upper end follows outer cylinder 1 to move upwards and is detached from underground, after outer cylinder 1 and the sampling taking-up of inner tube 2, guarantees outer cylinder 1 It is fixed, so that first connecting rod 17 is located at the left end of connection turntable 4, the second connecting rod 18 is located at the right end of connection turntable 4, horizontal direction It turns right and moves thumb screw 24, thumb screw 24 is made to be detached from tapped through hole, 22 edge of articulated shaft is then guaranteed by first connecting rod 17 Front-rear direction is horizontally disposed, is that shaft turns counterclockwise the pushing positioned at 5 right side of supporting plate in the lateral direction with articulated shaft 22 Handle 26 connects turntable 4, driving motor 6 and supporting plate 5 with articulated shaft 22 for the center of circle inverse time under the drive for pushing handle 26 Needle overturning, stopping when connecting turntable 4 and being turned to vertical position, link block 10 follows during connecting turntable 4 and overturning It connects turntable 4 to overturn, so guide groove 13 follows the overturning of link block 10 no longer to cover connection guide post 9 to be disconnected guide post 9 Upper end, the then inner tube 2 of extraction sampling straight up makes to sample inner tube 2 and is detached from outer cylinder 1, and the sampling inner tube 2 after taking-up passes through rotation Turn to split into closing section 201 and multiple middle nodes 202, directly takes soil as needed or by external screw thread plug 203 and internal screw thread Lid 204 carries out classified storage after closing, and the new sampling inner tube 2 for taking the sampling inner tube 2 assembled after soil or replacing is put into It is then that shaft rotates clockwise supporting plate 5 in left and right directions with articulated shaft 22, when the second connecting rod 18 is goed deep into outer cylinder 1 Stop when to connecting groove 23, the upper end of the connection guide post 9 of the covering of guide groove 13 at this time will sample inner tube 2 in conjunction with chisel bit 14 Inside outer cylinder 1, horizontally to the right to spiral through-hole inside spin be inserted into thumb screw 24, complete the second connecting rod 18 with connect The fixation of turntable 4；In a word the utility model have easy to operate, high degree of automation, into soil resistance it is small and sampling soil The advantages of being evenly distributed.

Claims (10)

1. a kind of soil sampling apparatus for soil environment Risk assessment, it is characterised in that: outer cylinder including coaxial arrangement and Positioned at the sampling inner tube of outer barrel, driving motor straight down is provided with above outer cylinder, the output end of driving motor connects Be connected to horizontally disposed connection turntable, connection turntable is located at the top of outer cylinder, connect the lower surface of turntable by connecting rod with outside The upper end connection of cylinder is connected and is connect by the thrust bearing horizontally rotated with the upper end of sampling inner tube at the center of turntable；It is described Outer cylinder is internally provided with Limit Bearing, and sampling inner tube passes through the inner ring of Limit Bearing, and the lower end of outer cylinder is connected with chisel bit, The sampling through-hole of upper and lower opening is provided in the axial direction at chisel bit center, the internal diameter for sampling through-hole is less than the interior of sampling inner tube Diameter, samples the lower end of inner tube and the upper end face contact of chisel bit, and the outer ring of outer cylinder is surrounded with screw blade, the connection The upper horizontal of turntable is provided with supporting plate, and driving motor is arranged on supporting plate, and the output end of driving motor passes vertically through branch Frame plate, the left and right ends of supporting plate are respectively connected with pushing handle, and the connecting rod is vertically arranged between connection turntable and outer cylinder, Connecting rod includes the first connecting rod on the left of sampling inner tube and the second connecting rod on the right side of sampling inner tube, the first connection The lower end of bar and the second connecting rod is connect with outer cylinder, and the upper end of first connecting rod is hinged with the left end for connecting turntable, and second connects The upper end of extension bar is detachably connected by attachment device with the right end for connecting turntable, and the upper end of the sampling inner tube is provided with connection Block, the top of link block are provided with the bearing groove of opening upwards, and thrust bearing is located at the inside of bearing groove, the inner ring of thrust bearing It is connected with turntable is connect, the lower part of link block is provided with the guide groove that Open Side Down, and the upper end for sampling inner tube is deep into guide groove It is interior.

2. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute The upper end closed of the sampling inner tube stated is arranged, and the upper end for sampling inner tube is vertically arranged with connection guide post, connect the lower end of guide post with The upper end of sampling inner tube is fixedly connected, and the upper end for connecting guide post is deep into the inside of guide groove.

3. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 2, it is characterised in that: institute Be provided with multiple air through hole on the upper surface for the sampling inner tube stated, multiple air through hole be arranged at connection guide post and outer cylinder it Between, multiple air through hole are connected to the inside of sampling inner tube.

4. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute The connection turntable lower end surface stated is connected with bearing connecting column straight down, and the upper end of bearing connecting column is located at the circle of connection turntable At the heart, the inner ring of thrust bearing is set in the lower end of bearing connecting column.

5. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute The sampling inner tube stated includes closing section and middle node, and closing section is arranged in the top of sampling inner tube, closes the upper end closed of section, in Segmentum intercalaris is arranged in the lower section of closing section, middle node be it is multiple and be vertically arranged from top to bottom, adjacent middle node by screw thread according to Secondary connection, positioned at the top middle node with closing section lower thread connect, positioned at bottom middle node lower end with take Sample bit contact.

6. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute There are two interconnecting piece straight up, two interconnecting pieces are arranged in left-right direction for the upper end setting for the first connecting rod stated, and two The connection through-hole of front-rear direction extension is provided in a interconnecting piece, the left end for connecting turntable is provided with the connection of opening to the left and leads to Slot, connects the fixed part extended in left-right direction that is internally provided with of through slot, and fixed part level is to the left and the right end with fixed part It is connected with turntable is connect, two interconnecting pieces are deep into inside connection through slot straight up and are located at the front side of fixed part with after Side, fixed hole corresponding with connection lead to the hole site is provided on fixed part, and the left end of the connection turntable is provided through The articulated shaft of two connections through-holes and fixed hole.

7. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute The attachment device stated includes connecting groove and thumb screw, and Open Side Down is arranged in the right end of connection turntable for connecting groove, and second The top of connecting rod is located to the inside of connecting groove, and the right end of rotating disc is arranged in thumb screw, and thumb screw level is to the left Connection turntable and the second connecting rod are sequentially passed through, with the spiral shell inside the top that the second connecting rod is arranged in and the right end for connecting turntable The connection of line through-hole.

8. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute The lower end for the screw blade stated and the bottom of outer cylinder are concordant.

9. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: institute Electric motor protecting shell is provided on the supporting plate stated, driving motor is located at the inside of electric motor protecting shell, the upper side wall of electric motor protecting shell It is connect with the top of driving motor, the lower end of electric motor protecting shell is fixedly connected with supporting plate.

10. a kind of soil sampling apparatus for soil environment Risk assessment according to claim 1, it is characterised in that: The pushing handle is horizontally disposed, and two pushing handles are symmetrical set about driving motor.