CN115575166B - Geological stratification sampling instrument - Google Patents

Geological stratification sampling instrument Download PDF

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Publication number
CN115575166B
CN115575166B CN202211181903.5A CN202211181903A CN115575166B CN 115575166 B CN115575166 B CN 115575166B CN 202211181903 A CN202211181903 A CN 202211181903A CN 115575166 B CN115575166 B CN 115575166B
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Prior art keywords
sampling
sampling tube
arc
pawl
close
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CN202211181903.5A
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CN115575166A (en
Inventor
刘晓东
王和平
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Sixth Geological Team Of Shaanxi Geology And Mineral Resources Co ltd
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Sixth Geological Team Of Shaanxi Geology And Mineral Resources Co ltd
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Priority to CN202211181903.5A priority Critical patent/CN115575166B/en
Publication of CN115575166A publication Critical patent/CN115575166A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit

Abstract

The invention belongs to the technical field of geological sampling equipment, and relates to a geological stratification sampling instrument, which comprises: the device comprises a mounting plate, a plurality of support rods, a mounting box, a first through hole, a sampling tube, a plurality of partition plates, a plurality of sampling areas, a sampling port, a plurality of arc-shaped baffles, a feeding assembly and a drilling assembly; the opening and closing assemblies are respectively arranged between the arc-shaped baffles and the sampling tube and used for driving the arc-shaped baffles to rotate relative to the sampling tube so as to open and close the sampling ports. According to the invention, through the matching arrangement of the plurality of sampling areas, the plurality of arc baffles and the plurality of opening and closing components, when the rotation of the sampling pipe is in different directions, the plurality of opening and closing components can be matched to drive the corresponding arc baffles to move relatively, so that the plurality of sampling areas are opened and closed, and the soil with different layers is sampled, so that the soil with different layers is prevented from being mixed together, the subsequent detection is ensured to be influenced, and the accuracy of judging the mineral product type is improved.

Description

Geological stratification sampling instrument
Technical Field
The invention belongs to the technical field of geological sampling equipment, and relates to a geological stratification sampling instrument.
Background
Geology generally refers to the nature and characteristics of the earth. The earth's composition of matter, structure, architecture, development history, etc., including earth's zonal differentiation, physical properties, chemical properties, rock properties, mineral composition, rock formation, rock mass, etc. The geology is characterized in that the variety and the content of substances are different due to different depths, mineral resources are buried underground generally, mineral products are required to be searched by a geological prospecting method, the geological prospecting method is a method for searching the mineral products by applying geological theory and technology, and mineral products are searched by comprehensively applying knowledge of mineralogy, petrology, structure geology, mineral deposit science and the like from the geological background of researching the mineralogy effect.
Generally, before geological prospecting, the geology needs to be sampled and detected to determine the mineral types contained in the geology, namely, a small part of soil with different depths is intensively taken out, and the detection equipment is used for detecting the substances of the soil.
At present, most of the existing sampling devices adopt a drilling machine to crush soil layers, then sample the soil layers while crushing, but the soil layers of different layers in the soil are easy to mix together, so that layered sampling of the soil is not facilitated, subsequent detection is affected, and errors are caused in judging mineral types.
Disclosure of Invention
The invention aims to provide a geological stratified sampling instrument, which solves the technical problems that the existing sampling instrument is easy to mix soil with different layers in soil, is not beneficial to stratified sampling of the soil, influences subsequent detection and causes errors in judging mineral types.
In order to achieve the above purpose, the specific technical scheme of the geological stratification sampling instrument is as follows:
a geological stratification sampling instrument comprising:
the mounting plate is horizontally arranged;
the support rods are vertically arranged at the lower part of the mounting plate and are uniformly arranged along the edge of the mounting plate;
the mounting box is arranged at the lower part of the mounting plate and positioned among the plurality of support rods, the side surface of the mounting box is in sliding connection with the plurality of support rods, and the lower part of the mounting box is provided with a first through hole;
the sampling tube is vertically arranged inside the mounting box, the lower end of the sampling tube passes through the first through hole and then is positioned at the lower part of the mounting box, a plurality of partition boards are uniformly arranged inside the sampling tube along the vertical direction, the inside of the sampling tube is divided into a plurality of sampling areas by the plurality of partition boards, and sampling ports are respectively formed in the positions, close to the plurality of sampling areas, of the side wall of the sampling tube;
the arc-shaped baffles are arranged on the side face of the sampling tube and are respectively close to the sampling ports;
the feeding assembly is arranged between the mounting plate and the mounting box and is used for driving the mounting box to move up and down;
the drilling assembly is arranged in the installation box and connected with the upper end of the sampling tube and used for driving the sampling tube to rotate for sampling;
the opening and closing assemblies are respectively arranged between the arc-shaped baffles and the sampling tube and used for driving the arc-shaped baffles to rotate relative to the sampling tube so as to open and close the sampling ports.
The invention is also characterized in that:
the feeding assembly comprises a hydraulic cylinder, the hydraulic cylinder is vertically arranged between the mounting plate and the mounting box, the upper end of the hydraulic cylinder is connected with the lower part of the mounting plate, and the lower end of the hydraulic cylinder is connected with the upper part of the mounting box.
The drilling assembly comprises a motor, the motor is arranged at the top end inside the installation box, the output end of the motor is connected with the upper end of the sampling tube, and the lower end of the sampling tube is provided with a drill bit.
Wherein each opening and closing component comprises two connecting rings, annular grooves are respectively formed in the upper end and the lower end of the sampling tube, which are close to each arc baffle, the two connecting rings are respectively sleeved in the two annular grooves, the two connecting rings are respectively connected with the upper end and the lower end of the arc baffle, ratchets are respectively arranged in the inner rings of the two connecting rings, grooves are respectively formed in the bottoms of the two annular grooves, a pawl and a first elastic piece are arranged in the grooves, one end of the pawl is hinged at the bottom of the groove, the other end of the pawl passes through the opening of the groove and then is engaged with the ratchets to enable the connecting rings to rotate clockwise along with the sampling tube, the first elastic piece is arranged on one side of the pawl which rotates anticlockwise, the two ends of the first elastic piece are respectively connected with the pawl and the side wall of the groove, a first electromagnet is arranged at the position, which is far away from the first elastic piece, on the pawl, the bottom of recess is provided with the second electro-magnet with the relative position of first electro-magnet, the sampling tube lateral wall is close to the upper portion and the lower part of every sampling port respectively are provided with the slider, two sliders are located the one side that the sampling port rotated clockwise, the spout has been seted up respectively to the position that every arc baffle is close to two sliders, the spout sets up along the circumferencial direction of sampling tube, be provided with the arc gag lever post in the spout, the both ends of arc gag lever post are connected at the both ends of spout respectively, the slider has seted up the second through-hole along the circumferencial direction of sampling tube, the arc gag lever post passes the second through-hole, the side that the slider rotated clockwise is close to the tip that the spout rotated clockwise, the cover is equipped with the second elastic component on the arc gag lever post, the second elastic component is located between slider and the tip that the spout rotated anticlockwise, the both ends of second elastic component are connected at slider and spout tip respectively.
Wherein each arc baffle is kept away from the one side of sampling tube and is vertically provided with the counter weight board.
The position of the weight plate is close to one end of the arc-shaped baffle plate rotating anticlockwise, and one surface of the weight plate rotating clockwise is an arc-shaped surface.
The side face of the mounting box is vertically provided with limiting cylinders at positions close to the supporting rods, and each supporting rod penetrates through the corresponding limiting cylinder.
Wherein the lower end of each supporting rod is provided with a supporting block.
Wherein the side of each support bar is provided with a scale.
The geological stratification sampling instrument has the following advantages:
firstly, through the cooperation setting of a plurality of sampling areas, a plurality of arc baffles and a plurality of opening and closing components, when the rotation of the sampling pipe is in different directions, the corresponding arc baffles can be driven by the plurality of opening and closing components to move relatively, so that the plurality of sampling areas are opened and closed, the soil with different layers is sampled, the mixing of the soil with different layers is avoided, the subsequent detection is influenced, and the accuracy of judging the mineral product type is improved;
secondly, through the arrangement of the counterweight plate, the inertia of the arc baffle is increased, when the sampling tube rotates anticlockwise, the arc baffle is enabled to rotate relatively to the sampling tube more easily, the sampling port can be opened rapidly, meanwhile, through the arrangement of the arc surface and the position of the arc baffle, the friction force between the counterweight plate and the soil on the side surface of the sampling tube 7 when the counterweight plate rotates clockwise is reduced, and on the other hand, the soil on the side surface of the sampling tube 7 is scraped through the counterweight plate, so that the sampling of soil with different layers is accelerated;
thirdly, the depth of sampling can be accurately controlled through the scale arrangement on the side surface of the supporting rod, so that the accuracy of judging the mineral product type is further improved;
fourth, this device simple structure, easy operation, convenient to carry, the practicality is strong.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the enlarged structure of portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic top view of the ring and annular groove of the present invention;
FIG. 5 is a schematic view of the enlarged structure of portion B of FIG. 4 according to the present invention;
FIG. 6 is a schematic top view of an arc baffle and an arc stop bar according to the present invention;
FIG. 7 is a schematic view of the enlarged structure of portion C of FIG. 6 in accordance with the present invention;
reference numerals:
1. a mounting plate; 2. a mounting box; 3. a support rod; 4. a limiting cylinder; 5. a support block; 6. a drill bit; 7. a sampling tube; 8. a partition plate; 81. a sampling area; 9. a hydraulic cylinder; 10. a motor; 11. a first through hole; 12. an annular groove; 13. a connecting ring; 14. a sampling port; 15. an arc baffle; 16. a slide block; 17. a chute; 18. an arc-shaped limit rod; 19. a second through hole; 20. a ratchet; 21. a pawl; 22. a first elastic member; 23. a second elastic member; 24. a groove; 25. a first electromagnet; 26. a second electromagnet; 27. and (5) a weight plate.
Detailed Description
For a better understanding of the objects, structure and function of the present invention, a geological stratification sampling apparatus according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the geological stratification sampling apparatus of the invention comprises a mounting plate 1, wherein the mounting plate 1 is horizontally arranged, a plurality of support rods 3 are vertically arranged at the lower part of the mounting plate 1, the plurality of support rods 3 are uniformly arranged along the edge of the mounting plate 1, a mounting box 2 is arranged at the position between the plurality of support rods 3 at the lower part of the mounting plate 1, the side surface of the mounting box 2 is in sliding connection with the plurality of support rods 3, a first through hole 11 is arranged at the lower part of the mounting box 2, a sampling tube 7 is vertically arranged in the mounting box 2, the lower end of the sampling tube 7 passes through the first through hole 11 and then is positioned at the lower part of the mounting box 2, a plurality of baffle plates 8 are uniformly arranged in the inside of the sampling tube 7 along the vertical direction, each baffle plate 8 is horizontally arranged, the plurality of baffle plates 8 divide the inside of the sampling tube 7 into a plurality of sampling areas 81, sampling ports 14 are respectively arranged at the positions of the side walls of the sampling tube 7, which are close to the plurality of sampling areas 81, the side surface of the sampling tube 7 is provided with an arc baffle 15 close to the sampling ports 14 respectively, the arc baffle 15 closes the sampling ports 14, a feeding component is arranged between the mounting plate 1 and the mounting box 2 and used for driving the mounting box 2 to move up and down, a drilling component is arranged in the mounting box 2 and connected with the upper end of the sampling tube 7 and used for driving the sampling tube 7 to rotate for sampling, an opening and closing component is arranged between the arc baffles 15 and the sampling tube 7 and used for driving the arc baffles 15 to rotate relative to the sampling tube 7 respectively, so that the sampling ports 14 are opened and closed, the sampling ports 14 are opened, the soil with different layers is sampled through the sampling ports 14, the sampling ports 14 are closed after the sampling is completed, the soil with different layers is prevented from being mixed together, the subsequent detection is ensured, the accuracy of mineral type judgment is improved.
As shown in fig. 1, the feeding assembly includes a hydraulic cylinder 9, the hydraulic cylinder 9 is vertically disposed between the mounting plate 1 and the mounting box 2, an upper end of the hydraulic cylinder 9 is connected with a lower portion of the mounting plate 1, and a lower end of the hydraulic cylinder 9 is connected with an upper portion of the mounting box 2.
As shown in fig. 2, the drilling assembly comprises a motor 10, the motor 10 is arranged at the top end inside the installation box 2, the output end of the motor 10 is connected with the upper end of the sampling tube 7, the lower end of the sampling tube 7 is provided with a drill bit 6, the motor 10 drives the drill bit 6 to rotate through the sampling tube 7, and the drill bit 6 is driven to move up and down through the expansion and contraction of the hydraulic cylinder 9.
As shown in fig. 2-7, each opening and closing assembly comprises two connecting rings 13, annular grooves 12 are respectively formed in the upper end and the lower end of the sampling tube 7, which are close to each arc baffle 15, the two connecting rings 13 are respectively sleeved in the two annular grooves 12, the two connecting rings 13 are respectively connected with the upper end and the lower end of the arc baffles 15, ratchets 20 are respectively arranged in the inner rings of the two connecting rings 13, grooves 24 are respectively formed in the bottoms of the two annular grooves 12, pawls 21 and a first elastic piece 22 are arranged in the grooves 24, one end of each pawl 21 is hinged to the bottoms of the grooves 24, the other end of each pawl 21 passes through the openings of the grooves 24 and then is meshed and connected with the ratchets 20, so that the connecting rings 13 can rotate clockwise along with the sampling tube 7, when the sampling tube 7 rotates clockwise, the pawls 21 abut against the ratchets 20 and drive the connecting rings 13 to move clockwise synchronously, so that the two connecting rings 13 drive the arc baffles 15 to move clockwise synchronously, when the sampling tube 7 rotates clockwise, the sampling ports 14 are in a closed state, the first elastic piece 22 is arranged on one side of the pawl 21 rotating anticlockwise, two ends of the first elastic piece 22 are respectively connected with the side walls of the pawl 21 and the groove 24, a first electromagnet 25 is arranged on the pawl 21 at a position far away from the first elastic piece 22, a second electromagnet 26 is arranged at a position opposite to the first electromagnet 25 at the bottom of the groove 24, the upper part and the lower part of the side wall of the sampling tube 7, which are close to each sampling port 14, are respectively provided with a sliding block 16, two sliding blocks 16 are positioned on one side of the sampling port 14 rotating clockwise, the positions of each arc baffle 15, which are close to the two sliding blocks 16, are respectively provided with a sliding groove 17, the sliding grooves 17 are arranged along the circumferential direction of the sampling tube 7, arc limiting rods 18 are arranged in the sliding grooves 17, two ends of each arc limiting rod 18 are respectively connected with two ends of the sliding grooves 17, the slide block 16 is provided with a second through hole 19 along the circumferential direction of the sampling tube 7, the arc-shaped limiting rod 18 penetrates through the second through hole 19, the clockwise rotating side surface of the slide block 16 is close to the clockwise rotating end part of the chute 17, the arc-shaped limiting rod 18 is sleeved with a second elastic piece 23, the second elastic piece 23 is positioned between the anticlockwise rotating end parts of the slide block 16 and the chute 17, the two ends of the second elastic piece 23 are respectively connected with the end parts of the slide block 16 and the chute 17, when the sampling tube 7 rotates clockwise, the pawl 21 props against the ratchet 20 and drives the connecting ring 13 to move clockwise synchronously through the ratchet 20, the two connecting rings 13 drive the arc-shaped baffle 15 to move clockwise synchronously, the sampling openings 14 are in a closed state when the sampling tube 7 rotates clockwise, when the sampling tube 7 rotates anticlockwise, the ratchet 20 presses the pawl 21 to rotate towards the direction of the chute 24, and the first elastic piece 22 stretches, the two connecting rings 13 rotate relative to the sampling tube 7, the two connecting rings 13 drive the arc baffle 15 to rotate relative to the sampling tube 7, the two sliding blocks 16 slide relative to the sliding groove 17, the corresponding second elastic piece 23 is compressed by force, the sampling ports 14 are opened, the surrounding soil with different layers is respectively sent into the corresponding sampling areas 81 through the sampling ports 14 by friction between the sampling tube 7 and the soil on the side surface, meanwhile, the first electromagnet 25 and the second electromagnet 26 are controlled to be electrified, the first electromagnet 25 and the second electromagnet 26 generate opposite magnetic fields to attract, the pawl enters the groove 24, after sampling is completed, the rotation of the sampling tube 7 is stopped, the two sliding blocks 16 slide relative to the sliding groove 17 under the action of the elastic force of the corresponding second elastic piece 23, so that the arc baffle 15 rotates relative to the sampling tube 7, the sampling ports 14 are closed, then the first electromagnet 25 and the second electromagnet 26 are controlled to be powered off, the first electromagnet 25 and the second electromagnet 26 are made to lose attraction, and the pawl 21 is made to rotate toward the ratchet 20, so that the pawl 21 is reengaged with the ratchet 20.
Each of the arcuate baffles 15 is provided with a weight plate 27 disposed vertically on a side of the arcuate baffle 15 remote from the sampling tube 7, and the weight of the arcuate baffle 15 is increased by the weight plate 27, thereby increasing the inertia of the arcuate baffle 15, and enabling the arcuate baffle 15 to rotate more easily relative to the sampling tube 7 when the sampling tube 7 rotates counterclockwise, enabling the sampling port 14 to be opened rapidly.
As shown in fig. 4 and 6, the position of the weight plate 27 is close to one end of the arc-shaped baffle 15 rotating anticlockwise, and one surface of the weight plate 27 rotating clockwise is an arc-shaped surface, so that on one hand, friction force between the weight plate 27 rotating clockwise and soil on the side surface of the sampling tube 7 is reduced, and on the other hand, soil on the side surface of the sampling tube 7 is scraped through the weight plate 27, so that sampling of soil with different layers is accelerated.
As shown in fig. 1 and 2, limiting cylinders 4 are vertically arranged at positions, close to the plurality of support rods 3, on the side surfaces of the installation box 2, respectively, and each support rod 3 passes through the corresponding limiting cylinder 4, so that the installation box 2 can move up and down freely along the plurality of support rods 3.
The lower extreme of every bracing piece 3 is provided with supporting shoe 5, increases the area of atress of bracing piece 3 lower extreme, makes the placing of install bin 2 more stable.
The side of each supporting rod 3 is provided with scales, and the depth of sampling can be accurately controlled through the arrangement of the scales on the supporting rods 3.
Working principle: when in use, the device is placed at a designated sampling position, a plurality of supporting blocks 5 are contacted with the ground, a motor 10 is started, the motor 10 positively rotates to drive a drill bit 6 to clockwise rotate through a sampling tube 7, a pawl 21 props against a ratchet 20 and drives a connecting ring 13 to clockwise synchronously move through the ratchet 20, two connecting rings 13 drive an arc baffle 15 to clockwise synchronously move, a plurality of sampling ports 14 are in a closed state when the sampling tube 7 clockwise rotates, then a hydraulic cylinder 9 is started, the hydraulic cylinder 9 is extended to drive the drill bit 6 to downwards move to gradually drill into a geological layer, the sampling depth is controlled through scales on the side surface of a supporting rod 3, after the proper depth is reached, the motor 10 is reversely rotated to drive the sampling tube 7 to anticlockwise rotate, the ratchet 20 extrudes the pawl 21 to drive the pawl 21 to rotate towards a groove 24, a first elastic piece 22 is stretched, and the two connecting rings 13 rotate relative to the sampling tube 7, the two connecting rings 13 drive the arc-shaped baffle 15 to rotate relative to the sampling tube 7 under the inertia action of the counterweight plate 27, the two sliding blocks 16 slide relative to the sliding groove 17, the corresponding second elastic piece 23 is compressed under force, the sampling ports 14 are opened, the soil on the side surface of the sampling tube 7 is scraped through the friction between the sampling tube 7 and the soil on the side surface of the sampling tube 7 and the counterweight plate 27, the surrounding soil with different layers is respectively sent into the corresponding sampling area 81 through the sampling ports 14, meanwhile, the first electromagnet 25 and the second electromagnet 26 are controlled to be electrified, the first electromagnet 25 and the second electromagnet 26 generate opposite magnetic fields to attract, the pawl enters the groove 24, after the sampling is completed, the rotation of the sampling tube 7 is stopped, the two sliding blocks 16 slide relative to the sliding groove 17 under the action of the elastic force of the corresponding second elastic piece 23, so that the arc-shaped baffle 15 rotates relative to the sampling tube 7, the sampling port 14 is closed, then the first electromagnet 25 and the second electromagnet 26 are controlled to be powered off, the first electromagnet 25 and the second electromagnet 26 lose attraction, the pawl 21 rotates towards the ratchet 20, the pawl 21 is meshed with the ratchet 20 again, and finally the hydraulic cylinder 9 is contracted to drive the sampling tube 7 to return to the initial position.
The geological stratification sampling instrument has the following advantages:
firstly, through the cooperation setting of a plurality of sampling areas, a plurality of arc baffles and a plurality of opening and closing components, when the rotation of the sampling pipe is in different directions, the corresponding arc baffles can be driven by the plurality of opening and closing components to move relatively, so that the plurality of sampling areas are opened and closed, the soil with different layers is sampled, the mixing of the soil with different layers is avoided, the subsequent detection is influenced, and the accuracy of judging the mineral product type is improved;
secondly, through the arrangement of the counterweight plate, the inertia of the arc baffle is increased, when the sampling tube rotates anticlockwise, the arc baffle is enabled to rotate relatively to the sampling tube more easily, the sampling port can be opened rapidly, meanwhile, through the arrangement of the arc surface and the position of the arc baffle, the friction force between the counterweight plate and the soil on the side surface of the sampling tube 7 when the counterweight plate rotates clockwise is reduced, and on the other hand, the soil on the side surface of the sampling tube 7 is scraped through the counterweight plate, so that the sampling of soil with different layers is accelerated;
thirdly, the depth of sampling can be accurately controlled through the scale arrangement on the side surface of the supporting rod, so that the accuracy of judging the mineral product type is further improved;
fourth, this device simple structure, easy operation, convenient to carry, the practicality is strong.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. A geological stratification sampling device, comprising:
the mounting plate (1) is horizontally arranged;
the support rods (3) are vertically arranged at the lower part of the mounting plate (1) and are uniformly arranged along the edge of the mounting plate (1);
the mounting box (2) is arranged at the lower part of the mounting plate (1), is positioned among the plurality of support rods (3), is in sliding connection with the plurality of support rods (3) on the side surface, and is provided with a first through hole (11) at the lower part;
the sampling tube (7) is vertically arranged inside the mounting box (2), the lower end of the sampling tube passes through the first through hole (11) and is positioned at the lower part of the mounting box (2), a plurality of partition plates (8) are uniformly arranged inside the sampling tube (7) along the vertical direction, the inside of the sampling tube (7) is divided into a plurality of sampling areas (81) by the partition plates (8), and sampling ports (14) are respectively formed in the positions, close to the sampling areas (81), of the side walls of the sampling areas;
a plurality of arc baffles (15) arranged on the side surface of the sampling tube (7) and respectively adjacent to the sampling ports (14);
the feeding assembly is arranged between the mounting plate (1) and the mounting box (2) and is used for driving the mounting box (2) to move up and down;
the drilling assembly is arranged in the installation box (2), is connected with the upper end of the sampling tube (7) and is used for driving the sampling tube (7) to rotate for sampling;
the opening and closing assemblies are respectively arranged between the arc-shaped baffles (15) and the sampling tube (7) and are used for driving the arc-shaped baffles (15) to rotate relative to the sampling tube (7) so as to open and close the sampling ports (14);
the drilling assembly comprises a motor (10), the motor (10) is arranged at the top end inside the installation box (2), the output end of the motor (10) is connected with the upper end of the sampling tube (7), and a drill bit (6) is arranged at the lower end of the sampling tube (7);
each opening and closing component comprises two connecting rings (13), annular grooves (12) are respectively formed in the upper end and the lower end of the sampling tube (7) close to each arc baffle (15), the two connecting rings (13) are respectively sleeved in the two annular grooves (12), the two connecting rings (13) are respectively connected with the upper end and the lower end of the arc baffles (15), ratchets (20) are respectively arranged on the inner rings of the two connecting rings (13), grooves (24) are respectively formed in the bottoms of the annular grooves (12), a pawl (21) and a first elastic piece (22) are arranged in the grooves (24), one end of the pawl (21) is hinged to the bottom of the groove (24), the other end of the pawl (21) penetrates through the opening of the groove (24) and then is in meshed connection with the ratchets (20) so that the connecting rings (13) can rotate clockwise along with the sampling tube (7), the first elastic piece (22) is arranged on one side of the pawl (21) which rotates anticlockwise, a pawl (22) is respectively provided with a groove (24), a pawl (21) and an electromagnet (25) is arranged at the opposite position of the two ends of the pawl (21) and the electromagnet (24) which are respectively far away from the first side wall (25), the upper portion and the lower part that sampling tube (7) lateral wall is close to every sampling port (14) are provided with slider (16) respectively, and two slider (16) are located one side that sampling port (14) rotated clockwise, and each arc baffle (15) is close to the tip that two sliders (16) rotated clockwise has been seted up respectively to the position, spout (17) set up along the circumferencial direction of sampling tube (7), be provided with arc gag lever post (18) in spout (17), the both ends at spout (17) are connected respectively at the both ends of arc gag lever post (18), second through-hole (19) have been seted up along the circumferencial direction of sampling tube (7) slider (16), arc gag lever post (18) pass second through-hole (19), the tip that spout (17) rotated clockwise is close to slider (16) is overlapped on arc gag lever post (18), second elastic component (23) are located between slider (16) and spout (17) and tip (17) and are connected at both ends (17) anticlockwise respectively.
2. A geological stratification sampling apparatus according to claim 1, characterized in that said feed assembly comprises a hydraulic cylinder (9), said hydraulic cylinder (9) being arranged vertically between the mounting plate (1) and the mounting box (2), the upper end of said hydraulic cylinder (9) being connected to the lower part of the mounting plate (1), the lower end of said hydraulic cylinder (9) being connected to the upper part of the mounting box (2).
3. A geological stratification sampling device according to claim 1, characterized in that each of said arcuate baffles (15) is provided vertically with a weight plate (27) on the side remote from the sampling tube (7).
4. A geological stratification sampling device according to claim 3, characterized in that said weight plate (27) is positioned close to the end of the arcuate (15) turned anticlockwise, the face of said weight plate (27) turned clockwise being the arcuate face.
5. A geological stratification sampling apparatus according to claim 1, characterized in that the sides of the mounting box (2) are vertically provided with limit barrels (4) respectively, close to a plurality of support rods (3), each of said support rods (3) passing through a corresponding limit barrel (4).
6. A geological stratification sampling apparatus according to claim 1, characterized in that the lower end of each of said support bars (3) is provided with a support block (5).
7. A geological stratification sampling apparatus according to claim 1, characterized in that the side of each of said support bars (3) is provided with graduations.
CN202211181903.5A 2022-09-27 2022-09-27 Geological stratification sampling instrument Active CN115575166B (en)

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CN117367859B (en) * 2023-10-17 2024-04-23 中铁六局集团路桥建设有限公司 Soil sample collection equipment for soil experiments

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