CN112326307A - Soil sampling device for geological exploration - Google Patents
Soil sampling device for geological exploration Download PDFInfo
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- CN112326307A CN112326307A CN202010948427.XA CN202010948427A CN112326307A CN 112326307 A CN112326307 A CN 112326307A CN 202010948427 A CN202010948427 A CN 202010948427A CN 112326307 A CN112326307 A CN 112326307A
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- supporting plate
- plate body
- soil sampling
- geological exploration
- adjusting
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- G—PHYSICS
- 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
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a soil sampling device for geological exploration, which relates to the technical field of geological exploration and comprises a supporting plate body, wherein conveying motors are symmetrically arranged on the upper surface of the supporting plate body, output shaft ends of the conveying motors are connected with screw rods through couplings, the screw rods are matched with screw rod nuts at the bottom of a machine box body, threaded rods are vertically and rotatably arranged in the machine box body, a driving assembly used for driving the threaded rods to rotate is arranged in the machine box body, the end parts of the threaded rods, which downwards penetrate through an inner opening of the supporting plate body, are provided with sampling assemblies used for soil sampling, and adjusting assemblies used for adjusting the height of the supporting plate body are arranged on the. The mine tunnel underground soil sampling device can automatically adjust the overall height of the device to adapt to the complex terrain environment under the mine tunnel, has strong adaptability, greatly reduces the labor intensity of workers, and improves the working efficiency of mine tunnel underground soil sampling.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to a soil sampling device for geological exploration.
Background
The geological exploration is to survey and detect geology by various means and methods, determine a proper holding layer, determine a foundation type according to the foundation bearing capacity of the holding layer, calculate the investigation and research activities of foundation parameters, and when geological exploration is performed on a certain area, the soil at the location of the area needs to be sampled and analyzed.
However, the existing soil sampling device has the following technical problems in the sampling process of the gold mine hole: 1. the existing sampling device is difficult to adapt to the low and long production environment of a gold mine tunnel, is often greatly restricted and bound by the terrain environment, leads to fatigue of workers in the whole soil sampling process, and has low soil sampling efficiency; 2. under the condition of uneven terrain of a gold mine hole, the existing soil sampling device cannot be reasonably placed, the adaptability is poor, and workers cannot independently adjust the overall height of the device, so that the whole soil sampling process is very difficult and inconvenient; 3. in the process of whole gold mine hole geological exploration soil sampling, the drill bit of exploitation often can bump some great stereoplasm stones or ore, lead to whole soil sampling process can't go deep into to the ground, at this time if remove the adjusting device whole again, not only need carry out geological exploration's planning and adjustment again, still need remove the device whole then fix a position and soil sampling operation again, it is heavier to staff's work burden, and the efficiency of whole soil sampling is very low, some complicated narrow and small environment do not allow the device whole too much adjustment and the leeway of selecting even, therefore, to above-mentioned problem, I department improves.
Disclosure of Invention
The invention aims to solve the problems, and provides a soil sampling device for geological exploration, which is simple in structure, convenient and practical, can be used for adapting to a complex terrain environment under a mine hole by automatically adjusting the overall height of the device by a worker, is strong in adaptability, greatly reduces the labor intensity of the worker, and improves the working efficiency of sampling soil at the bottom of the mine hole.
In order to realize the purpose, the invention adopts the technical scheme that: the utility model provides a soil sampling device for prospecting, which comprises a supporting plate body, the symmetrical installation of supporting plate body upper surface is provided with conveying motor, conveying motor output shaft end all passes through the coupling joint lead screw, the lead screw matches with the screw-nut of quick-witted bottom half, the inside vertical rotation of quick-witted box sets up the threaded rod, and be provided with in quick-witted box inside and be used for the rotatory drive assembly of drive threaded rod, the threaded rod passes the interior open-ended tip of supporting plate body downwards and is provided with the sampling component who is used for the soil sample, be provided with the adjusting part that is used for adjusting the supporting plate body.
As a further optimization of the invention, one end of the screw rod, which is far away from the conveying motor, is arranged in the fixed seat, a first bearing is arranged between the screw rod and the fixed seat to drive the conveying motor, and the screw rod nut and the machine box body can do horizontal linear motion along the screw rod.
As a further optimization of the invention, the driving assembly comprises a sampling motor which is arranged on the inner wall of the top of the machine box body through a second bolt, the output shaft end of the sampling motor is connected with a driving gear through a second connecting key, the driving gear is in meshing transmission with a driven gear, the driven gear is arranged on the outer surface of the bushing through a first connecting key, the upper end of the bushing is connected with the lower end of a threaded sleeve through the first bolt, and the threaded sleeve is in threaded fit with the threaded rod.
As a further optimization of the invention, a second bearing is arranged between the threaded sleeve and the case body to drive the sampling motor, and the threaded rod makes linear motion in the vertical direction in the case body.
As a further optimization of the invention, the sampling assembly comprises a storage shell, the storage shell is in a cavity box structure, the upper end of the storage shell is connected with a lower end plate body of the threaded rod through a first screw, the lower end of the storage shell is connected with the material taking head through a second screw, the material taking head is in a conical cavity shell structure, and a material taking hole for soil to enter is formed in the side wall of the material taking head.
As a further optimization of the invention, a conical drill made of hard alloy is welded at the lower end part of the taking head, and the outer edge of the taking head close to the storage shell is set to be an acute angle.
As a further optimization of the invention, the adjusting assembly comprises an adjusting rod vertically penetrating through the supporting plate body, the lower end part of the adjusting rod is fixedly connected with a roller supporting plate, bolt rods are symmetrically and vertically arranged on the roller supporting plate and on two sides of the adjusting rod, the bolt rods penetrate through the end part of the supporting plate body and are matched with nuts, an adjusting spring is arranged between the supporting plate body and the roller supporting plate and on the adjusting rod, and rollers are arranged at the lower end part of the roller supporting plate.
As a further optimization of the invention, a movable bin door is hinged on the outer side wall of the case body far away from the conveying motor.
The invention has the beneficial effects that: the soil sampling device for geological exploration, provided by the invention, is simple in structure, convenient and practical, a worker can automatically adjust the overall height of the device to adapt to a complex terrain environment under a mine hole, the adaptability is strong, the labor intensity of the worker is greatly reduced, and the working efficiency of sampling soil at the bottom of the mine hole is improved.
1. The device is provided with the screw rod, the conveying motor, the screw rod nut and the machine box body, in the whole process of sampling the geological exploration soil of the gold mine hole, a mining drill bit often bumps some large hard stones or ores, so that the whole soil sampling process cannot go deep into the ground bottom, the sampling motor is driven to enable the sampling assembly to be higher than the soil ground, the conveying motor is driven, and the screw rod nut and the machine box body can do horizontal linear motion along the screw rod to enable the sampling assembly to be conveyed to another place to conduct soil sampling operation.
2. The adjusting assembly is arranged, so that the integral height of the device can be adjusted automatically by workers through automatically adjusting the distance between the supporting plate body and the roller supporting plate and screwing or unscrewing the nut on the bolt rod, and the adjusting assembly is favorable for adjusting the integral height of the device, so that the device is integrally adapted to the complex terrain environment of the mine tunnel bottom.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic top view of the present invention.
FIG. 3 is a schematic view of the structure of the driving assembly of the present invention.
FIG. 4 is a schematic view of the structure of the sampling assembly of the present invention.
FIG. 5 is a schematic view of the position of the adjusting assembly according to the present invention.
The text labels in the figures are represented as: 1. a support plate body; 2. a conveying motor; 3. a coupling; 4. a screw rod; 5. a feed screw nut; 6. a threaded rod; 7. a sampling assembly; 8. a case body; 9. a drive assembly; 10. an adjustment assembly; 101. an opening; 102. a first bearing; 103. a fixed seat; 701. a first screw; 702. a storage case; 703. a second screw; 704. taking a stub bar; 705. a material taking hole; 706. a drill bit; 801. a movable bin gate; 901. a driven gear; 902. a bushing; 903. a first bolt; 904. a second bearing; 905. a threaded sleeve; 906. a first connecting key; 907. a second bolt; 908. a driving gear; 909. a second connecting key; 910. a sampling motor; 1001. a bolt shank; 1002. a nut; 1003. adjusting a rod; 1004. adjusting the spring; 1005. a roller support plate; 1006. and a roller.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 5, the specific structure of the present invention is: the utility model provides a soil sampling device for prospecting, including the supporting plate body 1, the installation of the 1 upper surface symmetry of supporting plate body is provided with conveyor motor 2, conveyor motor 2 output shaft end all connects lead screw 4 through shaft coupling 3, the 5 phase-matches of lead screw 4 and the 5 phase-matches of screw-nut of quick-witted box 8 bottoms, the inside vertical rotation of quick-witted box 8 sets up threaded rod 6, and be provided with in quick-witted box 8 inside and be used for driving the rotatory drive assembly 9 of threaded rod 6, the tip that threaded rod 6 passed supporting plate body 1 internal opening 101 downwards is provided with the sampling component 7 that is used for the soil sample, supporting plate body 1 be provided with all around and be used for adjusting the.
Preferably, can be horizontal linear motion along lead screw 4 in order to be favorable to realizing quick-witted box 8, at the in-process of whole gold mine hole geological exploration soil sampling, the drill bit of exploitation often can bump some great stereoplasm stones or ore, lead to whole soil sampling process can't go deep to the ground end, can realize the position of boring of adjustment soil sampling through removing quick-witted box 8 at this time, lead screw 4 keeps away from the one end of conveyor motor 2 and sets up inside fixing base 103, be provided with first bearing 102 between lead screw 4 and the fixing base 103, drive conveyor motor 2, horizontal linear motion can be along lead screw 4 to screw nut 5 and quick-witted box 8.
Preferably, in order to facilitate the threaded rod 6 to perform vertical linear motion and simultaneously enable the sampling assembly 7 to perform soil sampling operation, the driving assembly 9 includes a sampling motor 910 disposed on the inner wall of the top of the housing 8 through a second bolt 907, an output shaft end of the sampling motor 910 is connected with the driving gear 908 through a second connecting key 909, the driving gear 908 is in meshing transmission with the driven gear 901, the driven gear 901 is mounted on the outer surface of the bushing 902 through a first connecting key 906, the upper end of the bushing 902 is connected with the lower end of the threaded sleeve 905 through a first bolt 903, and the threaded sleeve 905 is in threaded fit with the threaded rod 6.
Preferably, in order to facilitate the soil sampling operation of the sampling assembly 7, a second bearing 904 is arranged between the threaded sleeve 905 and the machine box body 8, the sampling motor 910 is driven, and the threaded rod 6 makes a linear motion in the vertical direction in the machine box body 8.
Preferably, in order to facilitate the storage of the sampled soil, the sampling assembly 7 includes a storage housing 702, the storage housing 702 is in a cavity box structure shape, the upper end portion of the storage housing is connected with a lower end plate body of the threaded rod 6 through a first screw 701, the lower end portion of the storage housing 702 is connected with a material taking head 704 through a second screw 703, the material taking head 704 is in a conical cavity housing structure, a material taking hole 705 for soil to enter is formed in the side wall of the material taking head 704, and the sampled soil enters the storage housing 702 from the position of the material taking hole 705 to be stored.
Preferably, in order to facilitate the whole soil sampling process and reduce the resistance of the drill 706 in the soil, the lower end of the taking head 704 is welded with the drill 706 made of cemented carbide in a conical structure, and the outer edge of the taking head 704 is arranged at an acute angle close to the storage housing 702.
Preferably, in order to be favorable to adjusting the overall height of the device, make the device wholly adapt to the complicated topographic environment at the bottom of the mine cave, adjusting component 10 includes the vertical regulation pole 1003 that runs through the supporting plate body 1, adjust the tip fixed connection gyro wheel backup pad 1005 under the pole 1003, on the gyro wheel backup pad 1005 and in adjusting the vertical shank of bolt 1001 that sets up of pole 1003 bilateral symmetry, the end that shank of bolt 1001 passed the supporting plate body 1 matches and sets up nut 1002, be provided with adjusting spring 1004 between supporting plate body 1 and the gyro wheel backup pad 1005 and on adjusting the pole 1003, the tip is provided with gyro wheel 1006 under the gyro wheel backup pad 1005, the staff is through independently adjusting the interval between supporting plate body 1 and the gyro wheel backup pad 1005, and through screwing up or unscrewing nut 1002 on the shank of bolt 1001, can realize independently.
Preferably, in order to facilitate the installation, debugging and maintenance of each component in the chassis body 8, a movable cabin door 801 is hinged on the outer side wall of the chassis body 8 far away from the conveying motor 2.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (8)
1. The utility model provides a soil sampling device for prospecting, a serial communication port, including the supporting plate body (1), the symmetrical installation of supporting plate body (1) upper surface is provided with conveying motor (2), conveying motor (2) output shaft end all passes through shaft coupling (3) and connects lead screw (4), lead screw (4) and screw-nut (5) phase-match of quick-witted box (8) bottom, the inside vertical rotation of quick-witted box (8) sets up threaded rod (6), and be provided with in quick-witted box (8) inside and be used for driving drive assembly (9) of threaded rod (6) rotation, the tip that open-ended (101) was provided with the sampling component (7) that are used for the soil sample in supporting plate body (1) downwards threaded rod (6), be provided with all around of supporting plate body (1) and be used for adjusting supporting plate body (1) height adjusting component.
2. The soil sampling device for geological exploration according to claim 1, characterized in that one end of the screw rod (4) far away from the conveying motor (2) is arranged inside the fixed seat (103), a first bearing (102) is arranged between the screw rod (4) and the fixed seat (103) to drive the conveying motor (2), and the screw rod nut (5) and the machine box body (8) can do horizontal linear motion along the screw rod (4).
3. The soil sampling device for geological exploration according to claim 1, wherein the driving assembly (9) comprises a sampling motor (910) which is arranged on the inner wall of the top of the machine box body (8) through a second bolt (907), the output shaft end of the sampling motor (910) is connected with a driving gear (908) through a second connecting key (909), the driving gear (908) is in meshing transmission with a driven gear (901), the driven gear (901) is installed on the outer surface of the bushing (902) through a first connecting key (906), the upper end of the bushing (902) is connected with the lower end of a threaded sleeve (905) through a first bolt (903), and the threaded sleeve (905) is in threaded fit with the threaded rod (6).
4. A soil sampling device for geological exploration, as claimed in claim 3, characterized in that a second bearing (904) is arranged between said threaded sleeve (905) and said casing (8), driving said sampling motor (910), said threaded rod (6) making a rectilinear movement in the vertical direction inside said casing (8).
5. The soil sampling device for geological exploration, as claimed in claim 1, wherein said sampling assembly (7) comprises a storage housing (702), said storage housing (702) is in the form of a hollow box structure, the upper end of said storage housing is connected to the lower end plate of the threaded rod (6) by means of a first screw (701), the lower end of said storage housing (702) is connected to the take-out head (704) by means of a second screw (703), said take-out head (704) is in the form of a conical hollow box structure, and the side walls thereof are provided with take-out holes (705) for soil to enter.
6. The soil sampling device for geological exploration, as claimed in claim 5, wherein said pick-up head (704) is welded at its lower end with a drill bit (706) of conical structure made of cemented carbide, and the outer edge of the pick-up head (704) is set at an acute angle near the storage housing (702).
7. The soil sampling device for geological exploration according to claim 1, wherein the adjusting assembly (10) comprises an adjusting rod (1003) vertically penetrating through the supporting plate body (1), a roller supporting plate (1005) is fixedly connected to the lower end portion of the adjusting rod (1003), bolt rods (1001) are symmetrically and vertically arranged on the roller supporting plate (1005) and on two sides of the adjusting rod (1003), the bolt rods (1001) penetrate through the end portion of the supporting plate body (1) to be matched with a set nut (1002), an adjusting spring (1004) is arranged between the supporting plate body (1) and the roller supporting plate (1005) and on the adjusting rod (1003), and rollers (1006) are arranged on the lower end portion of the roller supporting plate (1005).
8. The soil sampling device for geological exploration, as claimed in claim 1, characterized in that a movable bin gate (801) is hinged on the outer side wall of said machine box (8) far from said conveyor motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948427.XA CN112326307A (en) | 2020-09-10 | 2020-09-10 | Soil sampling device for geological exploration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948427.XA CN112326307A (en) | 2020-09-10 | 2020-09-10 | Soil sampling device for geological exploration |
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| CN112326307A true CN112326307A (en) | 2021-02-05 |
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| CN202010948427.XA Pending CN112326307A (en) | 2020-09-10 | 2020-09-10 | Soil sampling device for geological exploration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166559A (en) * | 2021-12-09 | 2022-03-11 | 内蒙古工业大学 | Electric rotary sampler for geological exploration |
| CN115478780A (en) * | 2022-10-08 | 2022-12-16 | 山东省煤田地质局物探测量队 | Geology reconnaissance probing device |
| CN115728090A (en) * | 2022-11-16 | 2023-03-03 | 成武金利宏新能源有限公司 | Slag micro powder sampling device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644563A (en) * | 2016-09-26 | 2017-05-10 | 中南林业科技大学 | Intelligent soil sampler |
| CN208206525U (en) * | 2018-05-04 | 2018-12-07 | 王浩 | A kind of soil sampler for geological prospecting |
| CN209513327U (en) * | 2019-03-01 | 2019-10-18 | 辽宁省地质勘查院有限责任公司 | A kind of geologic prospect novel sampling device |
| CN209542139U (en) * | 2018-11-21 | 2019-10-25 | 福建众安达工程技术有限公司 | A kind of municipal works material tests drilling sampling device |
| CN210090068U (en) * | 2019-05-09 | 2020-02-18 | 安徽净持生态环境修复有限公司 | Sampling device for soil pollution degree detection |
| CN210113552U (en) * | 2019-06-20 | 2020-02-25 | 刘成 | Sampling device for geological mineral exploration |
| CN210719778U (en) * | 2019-10-11 | 2020-06-09 | 湖南晟路建设有限公司 | Heavy metal soil administers and uses sample collection system |
| CN210774791U (en) * | 2019-08-22 | 2020-06-16 | 南平科众检测技术有限公司 | Environmental protection detects with soil sampling ware of being convenient for sample |
| CN211262775U (en) * | 2019-11-25 | 2020-08-14 | 安徽省七星工程测试有限公司 | Soil drilling sampling device for engineering detection |
-
2020
- 2020-09-10 CN CN202010948427.XA patent/CN112326307A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644563A (en) * | 2016-09-26 | 2017-05-10 | 中南林业科技大学 | Intelligent soil sampler |
| CN208206525U (en) * | 2018-05-04 | 2018-12-07 | 王浩 | A kind of soil sampler for geological prospecting |
| CN209542139U (en) * | 2018-11-21 | 2019-10-25 | 福建众安达工程技术有限公司 | A kind of municipal works material tests drilling sampling device |
| CN209513327U (en) * | 2019-03-01 | 2019-10-18 | 辽宁省地质勘查院有限责任公司 | A kind of geologic prospect novel sampling device |
| CN210090068U (en) * | 2019-05-09 | 2020-02-18 | 安徽净持生态环境修复有限公司 | Sampling device for soil pollution degree detection |
| CN210113552U (en) * | 2019-06-20 | 2020-02-25 | 刘成 | Sampling device for geological mineral exploration |
| CN210774791U (en) * | 2019-08-22 | 2020-06-16 | 南平科众检测技术有限公司 | Environmental protection detects with soil sampling ware of being convenient for sample |
| CN210719778U (en) * | 2019-10-11 | 2020-06-09 | 湖南晟路建设有限公司 | Heavy metal soil administers and uses sample collection system |
| CN211262775U (en) * | 2019-11-25 | 2020-08-14 | 安徽省七星工程测试有限公司 | Soil drilling sampling device for engineering detection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166559A (en) * | 2021-12-09 | 2022-03-11 | 内蒙古工业大学 | Electric rotary sampler for geological exploration |
| CN114166559B (en) * | 2021-12-09 | 2024-01-23 | 内蒙古工业大学 | Electric rotary sampler for geological exploration |
| CN115478780A (en) * | 2022-10-08 | 2022-12-16 | 山东省煤田地质局物探测量队 | Geology reconnaissance probing device |
| CN115728090A (en) * | 2022-11-16 | 2023-03-03 | 成武金利宏新能源有限公司 | Slag micro powder sampling device |
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Application publication date: 20210205 |
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