CN109283010B - Sampling device for soil detection and sampling working method thereof - Google Patents
Sampling device for soil detection and sampling working method thereof Download PDFInfo
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- CN109283010B CN109283010B CN201811356175.0A CN201811356175A CN109283010B CN 109283010 B CN109283010 B CN 109283010B CN 201811356175 A CN201811356175 A CN 201811356175A CN 109283010 B CN109283010 B CN 109283010B
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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Abstract
The invention discloses a sampling device for soil detection, which comprises a loading assembly and a feeding assembly, wherein the loading assembly comprises a loading head and a sampling head; a sampling tube is vertically loaded in the feeding assembly; the loading assembly comprises a pressing piece; the pressing piece is driven to move downwards, and the sampling tube is pushed to go deep into the ground to finish sampling; the feeding assembly comprises a feeding cavity and a storage cavity; the storage cavity is communicated with the feeding cavity, and a sampling tube is also arranged in the storage cavity; the two ends of the sampling tube in the length direction are respectively provided with a clamping groove and a clamping head, and the clamping groove and the clamping head are correspondingly clamped and matched; a pushing assembly is arranged on one side of the storage cavity, which is far away from the feeding cavity; the pushing assembly is driven to push the sampling tube in the storage cavity into the feeding cavity, so that the bottom of the pushing assembly is matched with the top of the previous sunken sampling tube, and continuous material taking is realized; the sampling tube of concatenation formula has not only reduced the volume, has increased the portability of sampling tube, can divide into different sections with the sample nature moreover, and the sample storage of being convenient for is with shifting.
Description
Technical Field
The invention relates to the field of soil detection, in particular to a sampling device for soil detection and a sampling working method thereof.
Background
Most of the existing soil sampling devices have limited operation depth, and a few devices with deep sampling have poor portability, so that the existing soil sampling devices are difficult to adapt to complicated outdoor terrains. Therefore, it is necessary to provide a sampling device for soil detection, which is portable and can perform deep sampling.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the sampling device for soil detection, which has good portability and can carry out deep sampling.
The technical scheme is as follows: in order to achieve the above purpose, the sampling device for soil detection of the invention comprises a loading assembly and a feeding assembly; a sampling tube is vertically loaded in the feeding assembly; the loading assembly comprises a pressing piece; the pressing piece is arranged corresponding to the top of the sampling tube; the pressing piece is driven to move downwards, and the sampling tube is pushed to go deep into the ground to finish sampling;
the feeding assembly comprises a feeding cavity and a storage cavity; the sampling tube is embedded in the feeding cavity and linearly moves in a reciprocating manner along the vertical direction; the storage cavity is communicated with the feeding cavity, and a sampling tube is also arranged in the storage cavity; the two ends of the sampling tube in the length direction are respectively provided with a clamping groove and a clamping head, and the clamping groove and the clamping head are correspondingly clamped and matched; a pushing assembly is arranged on one side of the storage cavity, which is far away from the feeding cavity; the pushing assembly is driven to push the sampling tube in the storage cavity to the feeding cavity, so that the bottom of the pushing assembly is matched with the top of the previous sunken sampling tube, and continuous material taking is realized.
Furthermore, the storage cavity is an annular cavity body sleeved on the periphery of the feeding cavity, and the plurality of sampling pipes are sequentially arranged in the storage cavity along the annular outline; a material receiving channel is communicated and arranged between the material feeding cavity and the storage cavity on a moving path of the pushing assembly; a rotating ring is rotatably arranged on the outer side of the storage cavity; the pushing assembly comprises a cylinder body and a sliding sleeve; the sliding sleeve is fixedly arranged on the rotating ring, and the cylinder body is embedded in the sliding sleeve and performs reciprocating linear motion; one end of the cylinder body close to the storage cavity is horizontally provided with a roller; a first synchronous wheel is also arranged on the rotating shaft of the roller; a pull rod is hinged to the side face of the cylinder; a second synchronizing wheel is arranged at the hinged point of the pull rod; the first synchronizing wheel and the second synchronizing wheel are matched through a transmission belt to realize linkage; the end surface of the cylinder body close to one end of the storage cavity is correspondingly attached to the profile of the side wall of the sampling tube; and pulling the pull rod to drive the roller to rotate and drive the sampling tube to rotate, so that the current sampling tube corresponds to the clamping groove and the clamping head of the material taking tube to be connected in directions.
Furthermore, a positioning sleeve is arranged at the top of the storage cavity; a plurality of positioning grooves are annularly formed in the bottom of the positioning sleeve; the positioning groove is correspondingly matched with the tops of the sampling tubes in the storage cavity respectively; the inner wall of one side of the storage cavity, which is far away from the feeding cavity, is obliquely arranged, and the distance from the top of the storage cavity to the feeding cavity is greater than that from the bottom of the storage cavity.
Further, the loading assembly further comprises a sleeve, a first motor and a lead screw; the pressing piece comprises a pressing head and a transmission block; the screw rod is vertically arranged above the feeding cavity and is driven to rotate by a first motor; the transmission block is embedded in the sleeve, is matched with the lead screw and moves back and forth along the vertical direction; the pressure head is arranged below the transmission block and synchronously moves along with the transmission block in the vertical direction;
the pressure head is in rotating fit with the transmission block, and the rotating center of the pressure head is superposed with the symmetry axis of the sampling tube in the feeding cavity; the transmission block is provided with a second motor which drives a driving head to rotate; the sampling tube is in a polygon prism shape, and the section of an inner cavity is a polygon; the ram comprises a top punch; the first rotating part is arranged below the top punching part and is in nested fit with the inner cavity of the sampling tube to drive the sampling tube to synchronously rotate; the lower end of the top punching part is in contact with the top of the sampling tube to push the sampling tube to move downwards; the top punching part is also provided with a second rotating part which is replaced with the first rotating part; the second rotating part sets up with sampling tube top chucking cooperation.
Further, a base is arranged below the feeding assembly; a material guide pipe is arranged at the center of the bottom of the base; the material guide pipe is embedded into the ground and corresponds to the feeding cavity in the vertical direction; the periphery of the base is provided with a telescopic foot pad; a reinforcing device is embedded at the bottom of the base, and the bottom surface of the reinforcing device is flush with the bottom surface of the base; a pear needle is fixedly arranged below the reinforcing device; an electromagnetic vibrator is arranged in the reinforcing device; the electromagnetic vibrator is fixedly connected with the root of the pear needle.
Further, the reinforcing device also comprises a sliding plate arranged at the bottom; the sliding plate is in sliding fit with the reinforcing device along the height direction; the surface of the sliding plate is provided with a through hole which is matched with the pear tree in a corresponding nesting way; a damping rubber ring is arranged on the inner side of the through hole; the side surface and the rear part of the sliding plate corresponding to the moving direction are surrounded with a baffle plate; the top of the reinforcing device is provided with a holding rod.
A sampling method of a sampling device for soil detection comprises the following steps:
taking out a reinforcing device from the bottom of the base, adjusting the position of the sliding plate in a sliding manner to enable the tip of the pear needle to protrude out of the plate surface, and then placing the reinforcing device on a selected sampling land;
starting the electromagnetic vibrator, taking out the holding rod to push and pull the reinforcing device to move on the ground, softening shallow soil on the ground surface by using the vibrating sharp end of the pear needle, and excavating sundries such as broken stones and grass roots;
and step three, adjusting the sliding plate to the position below the pear needle in a sliding manner, cleaning up soil adhered to the tip of the pear needle, keeping the electromagnetic vibrator open, continuously pushing and pulling the reinforcing device through the holding rod, collecting sundries cleaned in the last step by utilizing an area enclosed by the baffle above the sliding plate, and leveling the target land parcel.
Step four, closing the electromagnetic vibrator, dumping sundries on the sliding plate, adjusting the sliding plate to the initial position, retracting the holding rod, and installing the reinforcing device to the bottom of the base;
placing the base on a target land, starting the electromagnetic vibrator, contracting the telescopic foot pad, leading the pear needles at the bottom of the reinforcing device to go deep into the soil along with the descending of the base, and then closing the electromagnetic vibrator;
installing the loading assembly and the feeding assembly on the base, filling the sampling tube in the feeding cavity, starting the first motor to drive the pressure head to move downwards, starting the second motor to adjust the first rotating part to enable the first rotating part to correspond to the outline of the inner cavity of the sampling tube, then continuing to move downwards, embedding the first rotating part into the sampling tube, and enabling the lower end of the top punching part to be in contact with the top of the sampling tube;
step seven, the pressure head continues to move downwards, the sampling tube rotates along with the pressure head and is pressed into the soil until the top of the sampling tube sinks to the initial height of the bottom of the sampling tube, the pressure head stops pressing, and the first rotating part continues to rotate to adjust the clamping groove and the clamping head to the initial direction;
step eight, rotating the rotating ring to enable the pushing assembly to correspond to the position of a sampling tube closest to the material receiving channel in the storage cavity, operating the barrel to stretch out of the sliding sleeve to prop against the sampling tube, then rotating the rotating ring to adjust a new sampling tube to the position corresponding to the material receiving channel, and then shifting the pull rod to drive the roller to rotate, so that the sampling tube is controlled to rotate to the clamping groove and the direction of the clamping head to be the same as that of the previous sampling tube;
step nine, continuing to operate the extension of the cylinder body, pushing a new sampling tube into the feeding cavity, and matching the bottom of the new sampling tube with the top of the previous sampling tube through a clamping groove and a clamping head;
step ten, repeating the process from the step seven to the step nine to realize continuous sampling of the soil layer in a connection mode of a plurality of sampling pipes;
step eleven, after the sampling degree of depth reached the requirement, with the first rotating part of top portion below of dashing change the outfit into second rotating part, with immerse the sampling tube top chucking cooperation of top in the soil, rotatory second rotating part afterwards, the driving tap shifts up takes out the sampling tube.
Has the advantages that: the invention relates to a sampling device for soil detection, which comprises a loading assembly and a feeding assembly, wherein the loading assembly is arranged on the loading assembly; a sampling tube is vertically loaded in the feeding assembly; the loading assembly comprises a pressing piece; the pressing piece is arranged corresponding to the top of the sampling tube; the pressing piece is driven to move downwards, and the sampling tube is pushed to go deep into the ground to finish sampling; the feeding assembly comprises a feeding cavity and a storage cavity; the sampling tube is embedded in the feeding cavity and linearly moves in a reciprocating manner along the vertical direction; the storage cavity is communicated with the feeding cavity, and a sampling tube is also arranged in the storage cavity; the two ends of the sampling tube in the length direction are respectively provided with a clamping groove and a clamping head, and the clamping groove and the clamping head are correspondingly clamped and matched; a pushing assembly is arranged on one side of the storage cavity, which is far away from the feeding cavity; the pushing assembly is driven to push the sampling tube in the storage cavity into the feeding cavity, so that the bottom of the pushing assembly is matched with the top of the previous sunken sampling tube, and continuous material taking is realized; the sampling tube of concatenation formula has not only reduced the volume, has increased the portability of sampling tube, can divide into different sections with the sample nature moreover, and the sample storage of being convenient for is with shifting.
Drawings
FIG. 1 is a schematic view of a sampling tube connection;
FIG. 2 is a schematic structural view of a feed assembly;
FIG. 3 is a schematic view of the pushing assembly;
FIG. 4 is a schematic structural view of a loading assembly;
FIG. 5 is a partial detail view of the indenter;
FIG. 6 is a schematic view of a base structure;
fig. 7 is a detailed structural view of the stiffener.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A sampling device for soil detection comprises a loading assembly 1 and a feeding assembly 2; a sampling tube 3 is vertically loaded in the feeding assembly 2; the loading assembly 1 comprises a pressing member 11; the pressing piece 11 is arranged corresponding to the top of the sampling tube 3; the pressing piece 11 is driven to move downwards, and the sampling tube 3 is pushed to go deep into the ground to finish sampling;
as shown in fig. 2, the feeding assembly 2 includes a feeding chamber 21 and a storage chamber 22; the sampling tube 3 is embedded in the feeding cavity 21 and linearly moves in a reciprocating manner along the vertical direction; the storage cavity 22 is communicated with the feeding cavity 21, and the sampling tube 3 is also arranged in the storage cavity; as shown in fig. 1, a clamping groove 31 and a clamping head 32 are respectively arranged at two ends of the sampling tube 3 in the length direction, and the clamping groove 31 and the clamping head 32 are correspondingly clamped and matched; a pushing assembly 4 is arranged on one side of the storage cavity 22 far away from the feeding cavity 21; the pushing assembly 4 is driven to push the sampling tube 3 in the storage cavity 22 into the feeding cavity 21, so that the bottom of the feeding cavity is matched with the top of the previous sunken sampling tube 3, and the pressing piece 11 presses the new sampling tube 3 into the ground to realize continuous material taking; the spliced sampling tube can be used as shallow soil sampling equipment for a single use, and can also be flexibly spliced to sample soil at different depths; the split multi-section sampling tube not only reduces the volume and increases the portability of the sampling tube, but also can naturally divide a sampled sample into different sections, thereby being convenient for sample storage and transfer.
The storage cavity 22 is an annular cavity body sleeved on the periphery of the feeding cavity 21, and the plurality of sampling tubes 3 are sequentially arranged in the storage cavity 22 along the annular contour and are separated from each other by a limiting bulge 222 on the side wall of the storage cavity 22; a material receiving channel 23 is arranged between the material feeding cavity 21 and the storage cavity 22 in a communication manner on a moving path of the pushing assembly 4; a rotating ring 221 is rotatably arranged outside the storage cavity 22, the storage cavity 22 is divided into an upper section and a lower section by the rotating ring 221, and the storage cavity in the upper half part rotates relative to the storage cavity in the lower half part along with the rotating ring 221; the pushing assembly 4 comprises a cylinder body 41 and a sliding sleeve 42; the sliding sleeve 42 is fixedly arranged on the rotating ring 221, and the sliding sleeve 42 is embedded in the sliding sleeve 42 to do reciprocating linear motion by rotating along with the rotating ring 221 to correspond to the positions of different sampling tubes 3 in the storage cavity 22; as shown in fig. 3, a roller 411 is horizontally arranged at one end of the cylinder 41 close to the storage cavity 22; a first synchronizing wheel 412 is further mounted on a rotating shaft of the roller 411; a pull rod 413 is hinged to the side surface of the cylinder 41; a second synchronous wheel 414 is arranged at the hinge point of the pull rod 413; the first synchronizing wheel 412 and the second synchronizing wheel 414 are matched through a transmission belt 415 to realize linkage; when the cylinder 41 ejects the corresponding sampling tube 3 from the placed position, the end surface of one end of the cylinder 41 close to the storage cavity 22 is correspondingly attached to the profile of the side wall of the sampling tube 3; the pull rod 413 is pulled to drive the roller 411 to rotate and drive the sampling tube 3 to rotate, so that the current sampling tube corresponds to the clamping groove 31 and the clamping head 32 of the material taking tube to be connected in directions.
As shown in fig. 2, a positioning sleeve 24 is arranged at the top of the storage cavity 22; a plurality of positioning grooves are annularly arranged at the bottom of the positioning sleeve 24; the positioning groove is correspondingly matched with the tops of the sampling tubes 3 in the storage cavity 22 respectively, so that the sampling tubes 3 in the storage cavity 22 are prevented from shaking out of the original positions when the loading assembly 1 works; the inner wall of one side of the storage cavity 22 far away from the feeding cavity 21 is obliquely arranged, the distance from the top to the feeding cavity 21 is larger than that from the bottom, and by utilizing the gravity component force when the sampling tube 3 is inclined, enough friction force exists between the roller 411 and the side wall of the sampling tube 3, so that the reliability of the azimuth adjustment of the sampling tube 3 is enhanced.
As shown in fig. 4 and 5, the loading assembly 1 further includes a sleeve 12, a first motor 13 and a lead screw 14; the pressing piece 11 comprises a pressing head 111 and a transmission block 112; the screw 14 is vertically arranged above the feeding cavity 21 and is driven to rotate by a first motor 13; the transmission block 112 is embedded in the sleeve 12, is matched with the lead screw 14 and moves back and forth along the vertical direction; the pressure head 111 is arranged below the transmission block 112 and synchronously moves along with the transmission block 112 in the vertical direction to press the sampling tube 3 into soil;
the pressure head 111 is in running fit with the transmission block 112, and the rotation center of the pressure head coincides with the symmetry axis of the sampling tube 3 in the feeding cavity 21; a second motor is arranged on the transmission block 112, and a driving pressure head 111 rotates; the sampling tube 3 is polygonal and the section of the inner cavity is polygonal; the ram 111 includes a top punch portion 111 a; the first rotating part 111b is arranged below the top punching part 111a and is in nested fit with the inner cavity of the sampling tube 3 to drive the sampling tube 3 to synchronously rotate; the lower end of the top punching part 111a is contacted with the top of the sampling tube 3 to push the sampling tube 3 to move downwards; the polygonal outer contour of the sampling tube 3 can obtain a space with a circular hole section in the process of rotating the sampling tube much like soil, so that a certain space is left between the soil side wall and the outer wall of the sampling tube 3, the problem that the traditional round tube is excessively and tightly combined with the soil, so that the equipment load is obviously increased is solved, the pressure borne by the sampling tube 3 is reduced, and the damage is avoided; the polygon of the section of the inner cavity of the sampling tube 3 is used for matching with the first rotating part 111b to rotate, the inner wall of the tube can be uniformly stressed, and even if the inner wall is abraded after a period of use, the matching reliability of the inner wall and the rotating part 111b is not easily influenced; the top punching part 111a is also provided with a second rotating part 111c which is replaced with the first rotating part 111 b; second rotating part 111c sets up with 3 top chucking cooperations of sampling tube, when accomplishing the sample work and need take out the sampling tube, pull down first rotating part 111b, change second rotating part 111c, pull out the sampling tube through with the same draw-in groove 31 between the sampling tube itself and dop 32 cooperation.
As shown in fig. 6, a base 5 is arranged below the feeding assembly 2; a material guide pipe 51 is arranged at the center of the bottom of the base 5; the material guide pipe 51 is embedded in the ground and corresponds to the feeding cavity 21 in the vertical direction, so that one direction guide can be provided for the sampling pipe 3 when the sampling pipe is just embedded in the soil, and the sampling pipe 3 is prevented from being bent and broken; the periphery of the base 5 is provided with a telescopic foot pad 52; a reinforcing device 53 is further embedded at the bottom of the base 5, and the bottom surface of the reinforcing device 53 is flush with the bottom surface of the base 5; a pear needle 531 is fixedly arranged below the reinforcing device 53; an electromagnetic vibrator is installed in the reinforcing device 53; the electromagnetic vibrator is fixedly connected with the root of the pear needle 531; after the base 5 is placed in an area needing to be collected, the telescopic foot pad 52 is operated to shrink, the bottom of the base 5 is in contact with soil, and the pear needles 531 are nailed into the soil to greatly enhance the stability of the base 5 and ensure the precision of the equipment.
As shown in fig. 7, the stiffener 53 further includes a sliding plate 533 disposed at the bottom; the sliding plate 533 and the stiffener 53 are in sliding fit through a sliding rail and a sliding groove arranged along the height direction, and are fixed in position through bolts and positioning holes; the surface of the sliding plate 533 is provided with a through hole 534 which is correspondingly nested and matched with the pear needle 531; the inner side of the through hole 534 is provided with a damping rubber ring, so that the vibration transmitted by the pear needle 531 can be effectively relieved; the side and the rear of the sliding plate 533 corresponding to the moving direction are provided with a baffle 536 in a surrounding way to form a space for collecting and containing sundries; the top of the reinforcing device 53 is provided with a holding rod 535, the holding rod 535 is embedded at the top of the reinforcing device 53, and the reinforcing device 53 can be conveniently stored when not used, so that the installation and the matching of the reinforcing device 53 and the base 5 are not influenced.
A sampling method of a sampling device for soil detection comprises the following steps:
step one, taking out the reinforcing device 53 from the bottom of the base 5, sliding and adjusting the position of the sliding plate 533 to enable the tip of the pear needle 531 to protrude out of the plate surface, and then placing the reinforcing device 53 on the selected sampling land;
step two, starting the electromagnetic vibrator, taking out the holding rod 535, pushing and pulling the reinforcing device 53 to move on the ground, softening shallow soil on the ground surface by using the tip of the vibrating pear needle 531, and excavating sundries such as broken stones and grass roots;
step three, sliding the sliding plate 533 to the position below the pear needles 531, cleaning up soil adhered to the tips of the pear needles 531, keeping the electromagnetic vibrators open, continuously pushing and pulling the reinforcing device 53 through the holding rod 535, collecting sundries cleaned in the previous step by utilizing an area enclosed by the baffle plates above the sliding plate 533, and leveling a target land;
step four, the electromagnetic vibrator is turned off, sundries on the sliding plate 533 are poured out and adjusted to the initial position, the holding rod 535 is retracted, and the reinforcing device 53 is installed back to the bottom of the base 5;
placing the base 5 on a target land, starting the electromagnetic vibrator, contracting the telescopic foot pad 52, leading the pear needle 531 at the bottom of the reinforcing device 53 to go deep into the soil along with the descending of the base 5, and then closing the electromagnetic vibrator;
step six, mounting the loading assembly 1 and the feeding assembly 2 on a base 5, filling the sampling tube 3 in the feeding cavity 21, starting a first motor 13 to drive a pressure head 111 to move downwards, starting a second motor to adjust a first rotating part 111b to enable the first rotating part to correspond to the contour of the inner cavity of the sampling tube 3, then continuing moving the pressure head downwards, embedding the first rotating part 111b into the sampling tube 3, and enabling the lower end of a top punching part 111a to be in contact with the top of the sampling tube 3;
step seven, the pressure head 111 continues to move downwards, the sampling tube 3 rotates along with the pressure head and is pressed into the soil until the top of the sampling tube 3 sinks to the initial height of the bottom of the sampling tube, the pressure head 111 stops pressing downwards, and the first rotating part 111b continues to rotate to adjust the clamping groove 31 and the clamping head 32 to the initial direction;
step eight, rotating the rotating ring 221 to enable the pushing assembly 4 to correspond to the position of the sampling tube 3 closest to the material receiving channel 23 in the storage cavity 22, extending the operating cylinder 41 out of the sliding sleeve 42 to prop against the sampling tube 3, then rotating the rotating ring 221 to adjust a new sampling tube to a position corresponding to the material receiving channel 23, and then shifting the pull rod 413 to drive the roller 411 to rotate, so as to control the sampling tube 3 to rotate to the clamping groove 31 and the direction of the chuck 32 to be the same as that of the previous sampling tube;
step nine, continuing to operate the cylinder body 41 to extend out, pushing a new sampling tube 3 into the feeding cavity 21, and matching the bottom of the new sampling tube 3 with the top of the previous sampling tube through the clamping groove 31 and the clamping head 32;
step ten, repeating the process from the step seven to the step nine to realize continuous sampling of the soil layer in a connection mode of a plurality of sampling pipes;
step eleven, after the sampling depth reaches the requirement, the first rotating part 111b below the top punching part 111a is replaced by a second rotating part 111c, and is in clamping fit with the top of the uppermost sampling tube 3 sunk into the soil, and then the second rotating part 111c is rotated, and the driving ram 111 moves upwards to take out the sampling tube 3.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides a sampling device for soil detection which characterized in that: comprises a loading assembly (1) and a feeding assembly (2); a sampling tube (3) is vertically loaded in the feeding assembly (2); the loading assembly (1) comprises a pressing piece (11); the pressing piece (11) is arranged corresponding to the top of the sampling tube (3); the pressing piece (11) is driven to move downwards, and the sampling tube (3) is pushed to go deep into the ground to finish sampling;
the feeding assembly (2) comprises a feeding cavity (21) and a storage cavity (22); the sampling tube (3) is embedded in the feeding cavity (21) and moves linearly in a reciprocating manner along the vertical direction; the storage cavity (22) is communicated with the feeding cavity (21), and a sampling tube (3) is also arranged in the storage cavity; a clamping groove (31) and a clamping head (32) are respectively arranged at two ends of the sampling tube (3) in the length direction, and the clamping groove (31) and the clamping head (32) are correspondingly clamped and matched; a pushing assembly (4) is arranged on one side of the storage cavity (22) far away from the feeding cavity (21); the pushing assembly (4) is driven to push the sampling tube (3) in the storage cavity (22) into the feeding cavity (21), so that the bottom of the pushing assembly is matched with the top of the previous sunken sampling tube (3) to realize continuous material taking;
the storage cavity (22) is an annular cavity body sleeved on the periphery of the feeding cavity (21), and the plurality of sampling tubes (3) are sequentially arranged in the storage cavity (22) along the annular contour; a material receiving channel (23) is communicated between the material feeding cavity (21) and the storage cavity (22) on a moving path of the pushing assembly (4); a rotating ring (221) is rotatably arranged on the outer side of the storage cavity (22); the pushing assembly (4) comprises a cylinder body (41) and a sliding sleeve (42); the sliding sleeve (42) is fixedly arranged on the rotating ring (221), and the cylinder body (41) is embedded in the sliding sleeve (42) to do reciprocating linear motion; one end of the cylinder body (41) close to the storage cavity (22) is horizontally provided with a roller (411); a first synchronous wheel (412) is further mounted on a rotating shaft of the roller (411); a pull rod (413) is hinged to the side surface of the cylinder body (41); a second synchronous wheel (414) is installed at the hinge point of the pull rod (413); the first synchronizing wheel (412) and the second synchronizing wheel (414) are matched through a transmission belt (415) to realize linkage; the end surface of one end of the cylinder body (41) close to the storage cavity (22) is correspondingly attached to the profile of the side wall of the sampling tube (3); pulling the pull rod (413) to drive the roller (411) to rotate and drive the sampling tube (3) to rotate, so that the current sampling tube corresponds to the direction of the clamping groove (31) and the clamping head (32) of the material taking tube to be connected.
2. A sampling device for soil testing according to claim 1, wherein: the top of the storage cavity (22) is provided with a positioning sleeve (24); a plurality of positioning grooves are annularly formed in the bottom of the positioning sleeve (24); the positioning groove is correspondingly matched with the tops of a plurality of sampling tubes (3) in the storage cavity (22) respectively; the inner wall of one side of the storage cavity (22) far away from the feeding cavity (21) is obliquely arranged, and the distance from the top of the storage cavity to the feeding cavity (21) is greater than that from the bottom of the storage cavity.
3. A sampling device for soil testing according to claim 1, wherein: the loading assembly (1) further comprises a sleeve (12), a first motor (13) and a lead screw (14); the pressing piece (11) comprises a pressing head (111) and a transmission block (112); the screw rod (14) is vertically arranged above the feeding cavity (21) and is driven to rotate by a first motor (13); the transmission block (112) is embedded in the sleeve (12), is matched with the lead screw (14) and moves back and forth along the vertical direction; the pressure head (111) is arranged below the transmission block (112) and synchronously moves along with the transmission block (112) in the vertical direction;
the pressure head (111) is in running fit with the transmission block (112), and the rotation center of the pressure head coincides with the symmetry axis of the sampling tube (3) in the feeding cavity (21); a second motor is arranged on the transmission block (112) and drives the driving head (111) to rotate; the sampling tube (3) is polygonal, and the section of the inner cavity is polygonal; the ram (111) comprises a top punch (111 a); the first rotating part (111b) is arranged below the top punching part (111a) and is in nested fit with the inner cavity of the sampling tube (3) to drive the sampling tube (3) to synchronously rotate; the lower end of the top punching part (111a) is contacted with the top of the sampling tube (3) to push the sampling tube (3) to move downwards; the top punching part (111a) is also provided with a second rotating part (111c) which is replaced with the first rotating part (111 b); the second rotating part (111c) is matched with the top of the sampling tube (3) in a clamping manner.
4. A sampling device for soil testing according to claim 1, wherein: a base (5) is arranged below the feeding assembly (2); a material guide pipe (51) is arranged at the center of the bottom of the base (5); the material guide pipe (51) is embedded in the ground and corresponds to the position of the feeding cavity (21) in the vertical direction; telescopic foot pads (52) are arranged on the periphery of the base (5); a reinforcing device (53) is further embedded at the bottom of the base (5), and the bottom surface of the reinforcing device (53) is flush with the bottom surface of the base (5); a pear needle (531) is fixedly arranged below the reinforcing device (53); an electromagnetic vibrator is arranged in the reinforcing device (53); the electromagnetic vibrator is fixedly connected with the root of the pear needle (531).
5. A sampling device for soil testing according to claim 4, wherein: the stiffener (53) further comprises a sliding plate (533) arranged at the bottom; the sliding plate (533) is in sliding fit with the reinforcing device (53) along the height direction; the surface of the sliding plate (533) is provided with a through hole (534) which is correspondingly nested and matched with the pear needle (531); a damping rubber ring is arranged on the inner side of the through hole (534); the side surface and the rear part of the sliding plate (533) corresponding to the moving direction are enclosed with a baffle plate (536); the top of the reinforcing device (53) is provided with a holding rod (535).
6. A sampling method of a sampling device for soil detection comprises the following steps:
taking out the reinforcing device (53) from the bottom of the base (5), adjusting the position of the sliding plate (533) in a sliding way to enable the tip of the pear needle (531) to protrude out of the plate surface, and then placing the reinforcing device (53) on a selected sampling land;
step two, starting the electromagnetic vibrator, taking out the holding rod (535) to push and pull the reinforcing device (53) to move on the ground, softening the shallow soil on the ground surface by using the tip of the vibrating pear needle (531), and excavating sundries such as broken stones and grass roots;
step three, sliding and adjusting the sliding plate (533) to the position below the pear needle (531), cleaning up soil adhered to the tip of the pear needle (531), keeping the electromagnetic vibrator open, continuously pushing and pulling the reinforcing device (53) through the holding rod (535), collecting sundries cleaned in the previous step by utilizing an area enclosed by the baffle above the sliding plate (533), and leveling the target land;
step four, closing the electromagnetic vibrator, pouring out sundries on the sliding plate (533), adjusting the sliding plate to the initial position, retracting the holding rod (535), and installing the reinforcing device (53) back to the bottom of the base (5);
placing the base (5) on a target land, starting the electromagnetic vibrator, contracting the telescopic foot pad (52), enabling the pear needles (531) at the bottom of the reinforcing device (53) to go deep into soil along with the descending of the base (5), and then closing the electromagnetic vibrator;
sixthly, mounting the loading assembly (1) and the feeding assembly (2) on a base (5), filling the sampling tube (3) in the feeding cavity (21), starting a first motor (13) to drive a driving head (111) to move downwards, starting a second motor to adjust a first rotating part (111b) to enable the first rotating part to correspond to the contour of the inner cavity of the sampling tube (3), then continuing to move downwards, embedding the first rotating part (111b) into the sampling tube (3), and enabling the lower end of a top punching part (111a) to be in contact with the top of the sampling tube (3);
seventhly, the pressure head (111) continues to move downwards, the sampling tube (3) rotates along with the pressure head and is pressed into soil until the top of the sampling tube (3) sinks to the initial height of the bottom of the sampling tube, the pressure head (111) stops pressing downwards, and the first rotating part (111b) continues to rotate to adjust the clamping groove (31) and the clamping head (32) to the initial direction;
step eight, rotating the rotating ring (221) to enable the pushing assembly (4) to correspond to the position of a sampling tube (3) which is closest to the material receiving channel (23) in the storage cavity (22), operating the cylinder body (41) to extend out of the sliding sleeve (42) to prop against the sampling tube (3), then rotating the rotating ring (221) to adjust a new sampling tube to the position corresponding to the material receiving channel (23), and then shifting the pull rod (413) to drive the roller (411) to rotate, so that the direction of the sampling tube (3) to the clamping groove (31) and the direction of the clamping head (32) are controlled to be the same as that of the previous sampling tube;
step nine, continuing to operate the extending of the cylinder body (41), pushing a new sampling tube (3) into the feeding cavity (21), and matching the bottom of the new sampling tube (3) with the top of the previous sampling tube through a clamping groove (31) and a clamping head (32);
step ten, repeating the process from the step seven to the step nine to realize continuous sampling of the soil layer in a connection mode of a plurality of sampling pipes;
step eleven, after the sampling depth meets the requirement, a first rotating part (111b) below the top punching part (111a) is replaced by a second rotating part (111c) to be tightly matched with the top of the uppermost sampling tube (3) sunk into the soil, and then the second rotating part (111c) is rotated to drive the driving head (111) to move upwards to take out the sampling tube (3).
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| CN109932208B (en) * | 2019-03-29 | 2021-04-13 | 廊坊市智恒机器人科技有限公司 | Robot soil collection storage device and method |
| CN110411780A (en) * | 2019-06-26 | 2019-11-05 | 李玉林 | A kind of geochemical engineering soil sampling apparatus |
| CN110320082B (en) * | 2019-07-31 | 2021-10-26 | 苏伊士环境检测技术(广州)有限公司 | Rapid sample preparation soil detection system and detection sample storage method thereof |
| CN110426236A (en) * | 2019-08-12 | 2019-11-08 | 苏州农业职业技术学院 | A kind of efficient sampling equipment of soil for environment measuring and its sampling method |
| CN113252387B (en) * | 2021-06-11 | 2022-11-22 | 中建三局绿色产业投资有限公司 | A automatic sampling device of soil sample for soil pollution risk management and control |
| CN113322164B (en) * | 2021-06-30 | 2022-02-25 | 中国地质大学（北京） | Frozen soil microorganism sampling device and method |
| CN116973160B (en) * | 2023-09-21 | 2023-11-24 | 内蒙古阿尔格生命科学有限公司 | Sampling equipment and method for improving soil by using chlorella |
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| JP2004293154A (en) * | 2003-03-27 | 2004-10-21 | 稔 ▲高▼橋 | Soil sampler |
| CN204221300U (en) * | 2014-08-14 | 2015-03-25 | 广州市井源机电设备有限公司 | A kind of rotating disc type automatic piston ring assembly machine |
| CN204944874U (en) * | 2015-09-16 | 2016-01-06 | 平顶山学院 | Soil sampling apparatus |
| CN107363513B (en) * | 2017-07-25 | 2023-09-19 | 浙江硕和机器人科技有限公司 | Automatic press-fitting equipment for cape head and sleeve |
| CN207396089U (en) * | 2017-10-24 | 2018-05-22 | 郑晓宁 | A kind of Soil K+adsorption rapid sampling attachment |
| CN207437067U (en) * | 2017-11-08 | 2018-06-01 | 袁翌 | A kind of portable small-sized geological coring rig |
| CN207763977U (en) * | 2017-12-11 | 2018-08-24 | 湖南海鸥环保科技有限公司 | A kind of soil fixed point sampler |
| CN207717407U (en) * | 2018-01-19 | 2018-08-10 | 浙江大学 | A kind of geotechnical stratified sampler |
| CN108801689B (en) * | 2018-09-08 | 2020-07-28 | 北京建工环境工程咨询有限责任公司 | Soil sampling and detecting device and soil sampling and detecting method |
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Effective date of registration: 20210223 Address after: 210000 No. 241 Fenghuang West Street, Gulou District, Nanjing City, Jiangsu Province Applicant after: Xu Liang Address before: 214000 Jiangsu Wuxi, new Lake District, No. 200, Linghu Avenue, innovation network 2 Applicant before: WUXI FEISHU TECHNOLOGY Co.,Ltd. |