CN219245042U - Sample collection device based on all-rock main trace element evaluation ancient environment technology - Google Patents
Sample collection device based on all-rock main trace element evaluation ancient environment technology Download PDFInfo
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- CN219245042U CN219245042U CN202223353336.5U CN202223353336U CN219245042U CN 219245042 U CN219245042 U CN 219245042U CN 202223353336 U CN202223353336 U CN 202223353336U CN 219245042 U CN219245042 U CN 219245042U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A90/30—Assessment of water resources
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Abstract
The utility model relates to the technical field of geological investigation, and discloses a sample collection device based on an all-rock main trace element evaluation ancient environment technology. The drill bit is kept away from the one end of drilling rod and has been seted up the pan feeding mouth, and the drilling rod has been seted up towards drill bit one end and has been led the material chamber, is provided with two bottoms relatively in the material chamber and has open-ended barrel, and a plurality of sieve material holes of its inside of intercommunication have been seted up in the barrel outside, and barrel bottom movable mounting has the lid that can seal its open-ended. When the drill bit performs rotary sampling operation in the stratum, the drill rod is provided with the material guiding cavity and the material barrel in the material guiding cavity, so that sandstone particles near the drill bit in the stratum are directly screwed into the material guiding cavity through the material inlet and are screened and stored in the barrel by the material screening holes to form sandstone samples, the impurity content of the sandstone samples is reduced, and the subsequent evaluation result of the ancient environment is avoided.
Description
Technical Field
The utility model relates to the technical field of geological investigation, in particular to a sample collection device based on an all-rock main trace element evaluation ancient environment technology.
Background
The chemical components master important information such as paleo-environment, paleo-climate, construction background and material source of the clastic sedimentary rock. Many elements (Th, sc, hf, ti, la, Y) are stationary and stable over a range of geological effects, typically preserving the source characteristics of the source rock. Thus, these fixed elements are considered reliable indicators and are widely used in source research to evaluate the relative contributions of long english and bedrock sources, as well as the structural context of sedimentary basins. Meanwhile, some microelements (such as Sr, cu and Ba) and the ratio thereof are used for estimating the ancient environmental conditions.
The step of evaluating the paleo-environment according to the main trace elements of the whole rock comprises the following steps: and (3) collecting sandstone sample pieces while carrying out geological investigation in the field, and drawing a stratum histogram and a sampling point horizon by combining the lithology analysis of the stratum by a former person. Sandstone samples were taken from the Puqun formation fresh outcrop. The sampling intervals are nearly equal to ensure that the samples represent the entire formation. Samples taken from the field are removed from soil that has been spoiled by weathering in order to ensure freshness and freedom from contamination, and samples are also protected from surrounding vegetation. In the case of in-house analysis, a sufficient amount of mudstone sample is required, each sample taking a weight of more than 1.0kg, to ensure that there is enough sample for the different test analyses. The sample was sawed to pick up only fresh parts of the rock interior that were free of cracks. The samples were crushed to 200 mesh prior to the experiment, and about 50mg of sample was required for a single test.
The Chinese patent with the patent number of CN214667781U in the related art discloses a sampling device for geological survey, which comprises: the device comprises an impact crushing mechanism, a powder sample collecting mechanism and a gripping mechanism; the impact crushing mechanism comprises a main rod body, a first motor, a cam, a transmission belt, a sliding block, a second motor, a rotating shaft, a drill bit, a impact hammer and a reset spring; the powder sample collection mechanism comprises a material guide pipe, a wind guide pipe, a sample collection bottle, a vacuum pump and a filter plate; the gripping mechanism is fixed to the upper portion of the main rod body. The patent can not only drill the rock by adopting the drill bit so as to achieve the crushing effect, but also impact and crush the hard rock stratum by adopting the impact hammer, or the impact hammer and the hard rock stratum are matched for use, so that the efficient crushing and sampling of the rock are realized. Meanwhile, the utility model can also collect powdery rock samples with high efficiency, and has the advantages of simple structure, convenient use, small whole volume and convenient carrying.
However, the sampling device of the patent is applied to the sampling process of stratum sandstone samples in the all-rock main trace element evaluation paleo-environment, and as the plastic suction openings are positioned on two sides above the rotating shaft, the plastic suction openings cannot directly sample sandstone particles at the position of the drill bit, so that a great amount of impurities are mixed in the collected sandstone samples, and the subsequent evaluation results of the paleo-environment can be interfered.
Disclosure of Invention
The utility model provides a sample collection device based on an all-rock main trace element evaluation ancient environment technology, which aims to solve the technical problem that a sampling device in the related art cannot directly sample sandstone particles at a drill bit position so as to mix a large amount of impurities in a collected sandstone sample.
The utility model is realized by adopting the following technical scheme: the sample collection device based on the all-rock main trace element evaluation ancient environment technology comprises a shell, a drill rod and a drill bit, wherein one end of the drill rod is movably mounted on the shell, and the other end of the drill rod is detachably connected with the drill bit;
the drill bit is provided with a feeding hole at one end far away from the drill rod, a material guiding cavity is formed at one end of the drill rod facing the drill bit, two cylinders with openings at the bottoms are oppositely arranged in the material guiding cavity, a plurality of screening holes communicated with the inside of the cylinders are formed at the outer sides of the cylinders, and a cover body capable of sealing the openings of the cylinders is movably arranged at the bottom of the cylinders;
when the drill bit performs rotary sampling operation in the stratum, sandstone particles in the stratum can be screwed into the material guiding cavity through the material inlet, and sandstone samples are formed in the cylinder body through screening and storage of the screening holes.
As a further improvement of the scheme, a first slot for inserting the drill bit is circumferentially formed in the end face of the drill rod facing one side of the drill bit.
As a further improvement of the scheme, two radially extending bolts are oppositely arranged on the outer peripheral side of the drill rod, a through hole for the bolts to pass through is formed in the drill bit, and a first jack which is in penetrating fit with the bolts is formed in the cavity wall of the material guiding cavity.
As a further improvement of the scheme, the drill rod is inserted with a positioning screw perpendicular to the bolt rod part, and the bolt head is provided with a positioning hole matched with the positioning screw.
As a further improvement of the scheme, the cover body is elastically connected to the opening at the bottom of the cylinder body, the bottom of the cover body is provided with the pressure-bearing block which is in sliding extrusion fit after being contacted with the bolt rod part, and the pressure-bearing block is provided with a second jack which is in plug-in fit with the bolt rod part.
As a further improvement of the above scheme, the side of the cover body away from the axis of the drill rod is connected with the outer wall of the cylinder body through a coil spring and a scroll, and when the cover body is in an inclined open state, the coil spring is in a non-deformed state.
As a further improvement of the scheme, a push plate is arranged in the cylinder, the top of the push plate is connected with the corresponding inner wall of the cylinder through a spring, a wire wheel is coaxially fixed on the reel, a traction rope in a tensioning state is wound on the wire wheel, the free end of the traction rope is bolted and fixed on the top of the push plate, and when the cover body is in a horizontal closing state, the spring is in a compression deformation state.
As a further improvement of the scheme, a supporting plate is fixed in the shell, a second motor is mounted at the top of the supporting plate, a synchronous plate is arranged below the supporting plate, the middle of the top of the synchronous plate is connected with an output shaft of the second motor, limiting rods parallel to the drill rods are respectively fixed at two sides of the bottom of the supporting plate, the two sides of the supporting plate are respectively sleeved on the outer sides of the two limiting rods in a sliding manner, a first motor is mounted in the middle of the bottom of the supporting plate, and an output shaft of the first motor is connected with the top ends of the drill rods.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the sample collection device based on the all-rock main trace element evaluation ancient environment technology, when a drill bit performs rotary sampling operation in a stratum, the drill rod is provided with the material guiding cavity and the material barrel in the material guiding cavity, so that sandstone particles near the drill bit in the stratum are directly screwed into the material guiding cavity through the material inlet and are screened and stored in the barrel body by the material screening hole to form a sandstone sample, the impurity content of the sandstone sample is reduced, and the subsequent evaluation result of the ancient environment is prevented from being interfered.
2. According to the sample collection device based on the all-rock main trace element evaluation ancient environment technology, the drill bit can be conveniently assembled and disassembled on the drill rod by arranging the structures such as the first slot, the bolt, the first jack and the set screw.
3. According to the sample collection device based on the all-rock main trace element evaluation ancient environment technology, the cover body, the pressure-bearing block and the second jack are elastically connected to the opening at the bottom of the cylinder body, and when the bolt locks and fixes the drill bit on the drill rod, the cover body can be rotated to seal the opening at the bottom of the cylinder body at the same time, so that the collection of samples in the cylinder body is realized.
4. According to the sample collection device based on the all-rock main trace element evaluation ancient environment technology, through the arrangement of the structures such as the traction rope and the push plate, when the cover body is opened, the residual sandstone sample in the cylinder body can be discharged out of the cylinder body as much as possible.
Drawings
Fig. 1 is a schematic diagram of the overall front view structure of a sample collection device based on the all-rock main trace element evaluation paleo-environment technology provided in embodiment 1 of the present utility model;
FIG. 2 is a schematic cross-sectional view of the drill bit and drill rod assembly of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic cross-sectional view of a portion of the drill rod of FIG. 2 in another state;
FIG. 5 is a schematic cross-sectional view of the drill bit of FIG. 2;
fig. 6 is a schematic diagram of a cross-sectional structure of an overall front view of a sample collection device based on the technology of evaluating paleo-environment based on total rock main trace elements provided in embodiment 2 of the present utility model.
Main symbol description:
1. a housing; 2. a drill rod; 3. a drill bit; 4. a material guiding cavity; 5. a cylinder; 6. a cover body; 7. a first slot; 8. a plug pin; 9. a first jack; 10. perforating; 11. sinking grooves; 12. a pressure block; 13. a second jack; 14. a push plate; 15. a wire wheel; 16. a set screw; 17. a supporting plate; 18. a synchronizing plate; 19. a limit rod; 20. a first motor; 21. and a second motor.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1
Please combine fig. 1 to 5, the sample collection device based on the technology of evaluating the ancient environment of all-rock main trace elements comprises a shell 1, a drill rod 2 and a drill bit 3, wherein one end of the drill rod 2 is movably arranged on the shell 1 so as to be driven by a first motor 20 and a second motor 21 arranged in the shell, and the other end of the drill rod 2 is detachably connected with the drill bit 3 so as to drive the drill bit 3 to synchronously move to perform sandstone sampling operation on a stratum.
The drill bit 3 is far away from the drill rod 2 one end and has offered the pan feeding mouth (not marked), and the drill bit 3 is far away from the drill rod 2 one end and is the taper. The drill rod 2 is provided with a guiding cavity 4 towards one end of the drill bit 3, two cylinders 5 with openings at the bottoms are oppositely arranged in the guiding cavity 4, a plurality of screening holes (not labeled) which are communicated with the inside of the cylinders are formed in the outer sides of the cylinders 5, and sandstone particles entering the guiding cavity 4 in a rotary direction can be cut and screened out from the outer sides of the walls of the screening holes, so that sandstone particles meeting the particle size requirements enter the cylinders 5. The bottom of the cylinder 5 is movably provided with a cover body 6 which can close the opening of the cylinder, and sandstone samples stored in the cylinder 5 are conveniently released and taken out through the cover body 6.
When the drill bit 3 performs rotary sampling operation in the stratum, sandstone particles in the stratum are screwed into the material guiding cavity 4 through the material inlet, and are screened and stored in the cylinder 5 through the screening holes to form sandstone samples.
The drill rod 2 is provided with a first slot 7 for inserting the drill bit 3 on the end surface of one side facing the drill bit 3 in the circumferential direction, so that the drill bit 3 can be inserted on the drill rod 2.
Two radially extending bolts 8 are oppositely arranged on the periphery side of the drill rod 2, a through hole 10 through which the bolts 8 can pass is formed in the drill bit 3, and a first jack 9 which is in penetrating fit with the bolts 8 is formed in the cavity wall of the material guiding cavity 4. When the bolt 8 passes through the perforation 10 and enters the first jack 9, the drill bit 3 inserted on the drill rod 2 can be positioned and fixed, and the connection stability between the drill bit 3 and the drill rod 2 is ensured.
The sinking groove 11 for the head of the bolt 8 to be arranged is arranged on the outer side of the drill rod 2, so that the bolt 8 can be completely contained in the drill rod 2 in a connecting state, and abrasion and interference to sampling operation are reduced.
The drill rod 2 is inserted with a positioning screw 16 perpendicular to the rod part of the bolt 8, and the head part of the bolt 8 is provided with a positioning hole (not labeled) matched with the positioning screw 16. The bolt 8 can be locked and fixed in the drill rod 2 by screwing the set screw 16 into the set hole of the bolt 8, so that the locking and fixing between the drill bit 3 and the drill rod 2 are realized.
The cover body 6 is elastically connected to the opening at the bottom of the cylinder body 5, the bottom of the cover body 6 is provided with a pressure-bearing block 12 which is in sliding extrusion fit after being contacted with the rod part of the bolt 8, and the pressure-bearing block 12 is provided with a second jack 13 which is in plugging fit with the rod part of the bolt 8.
The side of the cover 6 far away from the axis of the drill rod 2 is connected with the outer wall of the cylinder body 5 through a coil spring and a scroll, and when the cover 6 is in an inclined open state, the coil spring is in a non-deformation state.
In this embodiment, when the drill bit 3 is inserted into the first slot 7, after the plug pin 8 is pushed into the through hole 10 and the first insertion hole 9, the end portion of the plug pin 8 contacts the side wall of the pressure-bearing block 12 and pushes the pressure-bearing block 12 to rotate the cover 6 around the reel towards the horizontal direction, and when the second insertion hole 13 of the pressure-bearing block 12 moves to correspond to the rod portion of the plug pin 8, the rod portion of the plug pin 8 is gradually inserted into the second insertion hole 13 until the cover 6 completely closes the bottom opening of the barrel 5, so as to stably maintain the closed state of the bottom opening of the barrel 5 by the cover 6.
The push plate 14 is arranged in the cylinder 5, the top of the push plate 14 is connected with the corresponding inner wall of the cylinder 5 through a spring, a wire wheel 15 is coaxially fixed on a reel, a traction rope (not labeled) in a tensioning state is wound on the wire wheel 15, the free end of the traction rope is bolted and fixed on the top of the push plate 14, and when the cover body 6 is in a horizontal closing state, the spring is in a compression deformation state. A plurality of tensioning wheels (not shown) for changing the traction direction of the traction rope and keeping the traction rope in a tensioning state are arranged in the inner wall of the cylinder body 5.
In this embodiment, when the initial latch 8 is not inserted into the second jack 13, the cover 6 is in an inclined open state, and when the latch 8 enters the second jack 13, the cover 6 rotates to horizontally close the bottom opening of the barrel 5, during which the spool will drive the wire wheel 15 to rotate the winding traction rope (spool compression), and the push plate 14 is pulled to move upwards (spring compression), and is locked by the set screw 16, and then sampling operation is performed.
After the sampling is finished, the drill bit 3 is taken out from the stratum and rocked so as to discharge redundant sandstone particles which are positioned in the material guiding cavity 4 but are positioned outside the cylinder 5 through a material inlet of the drill bit 3, the positioning screw 16 is unscrewed, the plug pin 8 is pulled out, the cover body 6 can be obliquely rotated and opened under the action of the elasticity of the coil spring, so that sandstone samples in the cylinder 5 are discharged and collected, and the push plate 14 is downwards moved in the cylinder 5 under the action of the spring elasticity, so that residual sandstone samples in the cylinder 5 are discharged as much as possible.
Example 2
Referring to fig. 6, a supporting plate 17 is fixed in the housing 1, a second motor 21 is mounted at the top of the supporting plate 17, a synchronous plate 18 is disposed below the supporting plate 17, the middle of the top of the synchronous plate is connected with an output shaft of the second motor 21, two sides of the bottom of the supporting plate 17 are respectively fixed with limiting rods 19 parallel to the drill rod 2, two sides of the supporting plate 17 are respectively sleeved on the outer sides of the two limiting rods 19 in a sliding manner, a first motor 20 is mounted in the middle of the bottom of the supporting plate 17, and the output shaft of the first motor 20 is connected with the top end of the drill rod 2.
The first motor 20 in this embodiment is a rotary motor for driving the drill rod 2 and the drill bit 3 to rotate, and the second motor 21 is a linear motor for driving the drill bit 3 and the drill rod 2 to axially move so as to complete sampling operations on strata with different depths.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (8)
1. The sample collection device based on the all-rock main trace element evaluation ancient environment technology is characterized by comprising a shell, a drill rod and a drill bit, wherein one end of the drill rod is movably arranged on the shell, and the other end of the drill rod is detachably connected with the drill bit;
the drill bit is provided with a feeding hole at one end far away from the drill rod, a material guiding cavity is formed at one end of the drill rod facing the drill bit, two cylinders with openings at the bottoms are oppositely arranged in the material guiding cavity, a plurality of screening holes communicated with the inside of the cylinders are formed at the outer sides of the cylinders, and a cover body capable of sealing the openings of the cylinders is movably arranged at the bottom of the cylinders;
when the drill bit performs rotary sampling operation in the stratum, sandstone particles in the stratum can be screwed into the material guiding cavity through the material inlet, and sandstone samples are formed in the cylinder body through screening and storage of the screening holes.
2. The sample collection device based on the all-rock main trace element evaluation ancient environment technology according to claim 1, wherein a first slot for inserting the drill bit is circumferentially formed in the end face of the drill rod facing one side of the drill bit.
3. The sample collection device based on the all-rock main trace element evaluation ancient environment technology according to claim 2, wherein two radially extending bolts are oppositely arranged on the outer peripheral side of the drill rod, a through hole through which the bolts can pass is arranged on the drill bit, and a first jack which is in penetrating fit with the bolts is arranged on the cavity wall of the material guiding cavity.
4. The sample collection device based on the all-rock main trace element evaluation ancient environment technology according to claim 3, wherein a positioning screw perpendicular to the bolt rod part is inserted into the drill rod, and a positioning hole matched with the positioning screw is formed in the bolt head part.
5. The sample collection device based on the all-rock main trace element evaluation ancient environment technology according to claim 3, wherein the cover body is elastically connected to the opening at the bottom of the cylinder body, the bottom of the cover body is provided with a pressure-bearing block which is in sliding extrusion fit after being contacted with the bolt rod part, and the pressure-bearing block is provided with a second jack which is in plug fit with the bolt rod part.
6. The sample collection device based on the all-rock main trace element evaluation archaic environment technology according to claim 5, wherein one side of the cover body, which is far away from the axis of the drill rod, is connected with the outer wall of the cylinder body through a coil spring and a scroll, and the coil spring is in a non-deformation state when the cover body is in an inclined open state.
7. The sample collection device based on the all-rock main trace element evaluation ancient environment technology according to claim 6, wherein a push plate is arranged in the cylinder body, the top of the push plate is connected with the corresponding inner wall of the cylinder body through a spring, a wire wheel is coaxially fixed on the reel, a traction rope in a tensioning state is wound on the wire wheel, the free end of the traction rope is fixedly connected to the top of the push plate in a bolting mode, and when the cover body is in a horizontal closing state, the spring is in a compression deformation state.
8. The sample collection device based on the all-rock main trace element evaluation ancient environment technology according to any one of claims 1 to 7, wherein a supporting plate is fixed in the shell, a second motor is installed at the top of the supporting plate, a synchronous plate is arranged below the supporting plate, the middle of the top of the synchronous plate is connected with an output shaft of the second motor, limit rods parallel to the drill rods are respectively fixed at two sides of the bottom of the supporting plate, the two sides of the supporting plate are respectively sleeved on the outer sides of the two limit rods in a sliding manner, a first motor is installed in the middle of the bottom of the supporting plate, and an output shaft of the first motor is connected with the top end of the drill rods.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223353336.5U CN219245042U (en) | 2022-12-14 | 2022-12-14 | Sample collection device based on all-rock main trace element evaluation ancient environment technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223353336.5U CN219245042U (en) | 2022-12-14 | 2022-12-14 | Sample collection device based on all-rock main trace element evaluation ancient environment technology |
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| Publication Number | Publication Date |
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| CN219245042U true CN219245042U (en) | 2023-06-23 |
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| CN202223353336.5U Active CN219245042U (en) | 2022-12-14 | 2022-12-14 | Sample collection device based on all-rock main trace element evaluation ancient environment technology |
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