CN111811872B - Device for sampling core model column section by compaction - Google Patents
Device for sampling core model column section by compaction Download PDFInfo
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- CN111811872B CN111811872B CN202010690194.8A CN202010690194A CN111811872B CN 111811872 B CN111811872 B CN 111811872B CN 202010690194 A CN202010690194 A CN 202010690194A CN 111811872 B CN111811872 B CN 111811872B
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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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Abstract
The invention discloses a device for sampling a core model column in a segmented manner, which comprises a support plate, an upper pushing toothed bar, a spiral drill rod, a rotary drill rod, a precession motor, a lower pushing toothed bar, a core sampling disc with scales, a synchronous gear, a pushing booster motor and a scraper. Compared with the prior art, the method can solve the problem that the core model column ore is difficult to draw out and sample due to compact hardening by screwing in the back ore discharging and synchronous sectional sampling method.
Description
Technical Field
The invention relates to the technical field of uranium ore leaching, in particular to a device and a method for sampling a core model column in a segmented mode through compaction.
Background
In the uranium ore leaching experiment simulation research, a core model column is required to be used as a research object in various research contents. The core is crushed and then filled in a steel jacket for compaction to form a bulk sample core model column, the core model column is further compacted in a high-pressure experiment, and the physical and chemical composition structure is changed due to the addition of chemical reagents, so that a relatively compact and hardened core model column is formed.
And after the experiment is finished, the analysis of chemical composition and physical structure is required to be carried out on the ore sampling in the core model column, the core model column is sampled in a segmented mode after the experiment, and the change condition of the physical and chemical composition and the structure of the core model column in distance can be more carefully examined.
However, due to the compact hardening of the core model column, the ore in the core model column is difficult to draw out and sample after the experiment is finished. Therefore, it is necessary to provide a device and a method for sampling a core model column in a segmented manner.
Disclosure of Invention
The invention aims to provide a device and a method for sectionally sampling a compacted core model column, which solve the problem that the compacted core model column is difficult to draw out and sample by screwing in a back ore discharging and synchronous sectionally sampling method.
In order to achieve the above object, the present invention provides the following solutions:
the invention discloses a device for sampling a core model column in a segmented manner, which comprises:
the support plate is provided with an upper through hole and a lower through hole which are opposite to each other in the upper-lower position;
the surface of the upper pushing toothed bar is divided into two sections, namely a first polished rod section and a first toothed bar section, and the first polished rod section passes through the upper through hole;
one end of the spiral drill rod is fixedly connected with the end part of the first polished rod section, and the other end of the spiral drill rod is used for extending into the steel jacket;
the rotary drill rod is fixedly connected with one end of the first toothed rod section;
the precession motor is used for driving the rotary drill rod to rotate;
the surface of the lower pushing toothed bar is divided into two sections, namely a second polished rod section and a second toothed bar section, the second polished rod section passes through the lower through hole, and the tooth pitches of the upper gear of the first toothed bar section and the upper gear of the second toothed bar section are the same;
the core sampling disc with scales is fixedly connected with the end part of the second polished rod section, and scale marks are arranged on the core sampling disc with scales along the length direction of the lower pushing gear rod;
a synchronizing gear engaged with both the first toothed bar section and the second toothed bar section;
the propulsion power-assisted motor is used for driving the synchronous gear to rotate;
the scraper is fixed at the position when the spiral drill rod is screwed in, and the tip end of the scraper stretches into the spiral groove on the spiral drill rod and is used for scraping rock and soil in the spiral groove on the spiral drill rod.
Preferably, the output shaft of the precession motor is fixedly connected with the other end of the rotary drill rod in a coaxial manner.
Preferably, the output shaft of the propulsion booster motor is fixedly connected with the synchronous gear in a coaxial manner.
Preferably, the polishing device further comprises a shaft sleeve, wherein two shaft sleeves are respectively fixed in the upper through hole and the lower through hole, and the two shaft sleeves are respectively sleeved on the outer sides of the first polish rod section and the second polish rod section
Compared with the prior art, the invention has the following technical effects:
according to the invention, ore samples in the compact core model column which are hardened by high-pressure compaction and chemical reaction can be removed and collected; the invention can realize synchronous unloading and sampling of the compact ore in the core model column; the invention can basically ensure that the relative position of the discharged ore in the model column is unchanged, and accurately marks the discharged ore through scales, thereby realizing segmented sampling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a device for segmented sampling of a compacted core model column according to the present embodiment;
reference numerals illustrate: 1-a steel jacket; 2-a core model column; 3-scraping knife; 4-spiral drill pipe; 5-pushing up the gear rod; 6-rotating the drill rod; 7-screwing the motor; 8-pushing down the toothed bar; 9-a propulsion booster motor; 10-synchronizing gears; 11-shaft sleeve; 12-rock soil; 13-a core sampling disc with scales.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a device and a method for sectionally sampling a compacted core model column, which solve the problem that the compacted core model column is difficult to draw out and sample by screwing in a back ore discharging and synchronous sectionally sampling method.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the embodiment provides a device for sampling a core model column with compact hardening in sections, which comprises a support plate, an upper pushing toothed bar 5, a spiral drill rod 4, a rotary drill rod 6, a screwing motor 7, a lower pushing toothed bar 8, a core sampling disc 13 with scales, a synchronous gear 10, a pushing power-assisted motor 9 and a scraper 3.
Wherein, the support plate is provided with an upper through hole and a lower through hole which are opposite to each other in the upper and lower positions; the surface of the upper pushing toothed bar 5 is divided into two sections, namely a first polished rod section and a first toothed bar section, wherein the first polished rod section penetrates through the upper through hole, and guides and supports the upper pushing toothed bar 5 through the support plate; one end of the spiral drill rod 4 is fixedly connected with the end part of the first polished rod section, the other end of the spiral drill rod 4 is used for extending into the steel jacket 1, and the compact core model column 2 in the steel jacket 1 is decomposed into rock soil 12 along with the drilling of the spiral drill rod 4; one end of the rotary drill rod 6 is fixedly connected with the end part of the first toothed rod section, and the precession motor 7 is used for driving the rotary drill rod 6 to rotate, so that the upper propulsion toothed rod 5 and the spiral drill rod 4 are driven to rotate; the surface of the lower pushing toothed bar 8 is divided into two sections, namely a second polished rod section and a second toothed bar section, the second polished rod section penetrates through the lower through hole, and the lower pushing toothed bar 8 is guided and supported by the support plate; the tooth pitches of the gears on the first tooth bar section and the second tooth bar section are the same so as to control the movement speeds of the upper pushing tooth bar 5 and the lower pushing tooth bar 8 under the drive of the gears; one end of the core sampling disc 13 with scales is fixedly connected with the end part of the second polished rod section, and scale marks are arranged on the core sampling disc 13 with scales along the length direction of the lower pushing toothed bar 8, so that the change condition of the rock-soil 12 along with the drilling depth can be recorded conveniently; the synchronous gear 10 is meshed with the first toothed bar section and the second toothed bar section simultaneously, so that the movement speeds of the upper pushing toothed bar 5 and the lower pushing toothed bar 8 are the same, the movement directions are opposite, when the spiral drill rod 4 is screwed into a certain distance, the core sampling disc 13 with scales moves reversely by the same distance, and the distribution condition of the rock soil 12 on the core sampling disc 13 with scales, namely the distribution condition of the rock soil 12 in the steel jacket 1; the propulsion booster motor 9 is used for driving the synchronous gear 10 to rotate and controlling the precession speed of the spiral drill rod 4; the scraper 3 is fixed when the spiral drill rod 4 is screwed in, and the tip of the scraper 3 stretches into the spiral groove on the spiral drill rod 4 to scrape the rock 12 in the spiral groove on the spiral drill rod 4.
When the device for sectionally sampling the compacted core model column of the embodiment is used, after all components are assembled according to the structure, the propulsion booster motor 9 and the precession motor 7 are started simultaneously, along with the precession movement of the spiral drill rod 4, the compacted core model column 2 in the steel jacket 1 is decomposed into rock soil 12, then the rock soil 12 is pulled down from the spiral groove on the spiral drill rod 4 by the scraper 3, falls onto the graduated core sampling disc 13, sectionally samples according to the graduation on the graduated core sampling disc 13, and the change condition of the physical and chemical composition and the structure of the core model column 2 on the distance can be judged according to the distribution condition of the rock soil 12 on the graduated core sampling disc 13. In order to avoid the collision of the scraper 3 with the auger stem 4, the proportional relationship between the rotational speed and the moving speed of the auger stem 4 should be adjusted in advance according to the thread angle of the helical groove on the auger stem 4, so as to control the rotational speeds of the propulsion booster motor 9 and the precession motor 7.
The precession motor 7 and the propulsion booster motor 9 may be driven directly or indirectly via an intermediate transmission structure. In this embodiment, the output shaft of the precession motor 7 is fixedly connected coaxially with the other end of the rotary drill rod 6, and the output shaft of the propulsion booster motor 9 is fixedly connected coaxially with the synchronizing gear 10.
In order to reduce the vibration of the upper pushing toothed bar 5 and the lower pushing toothed bar 8 and avoid the abrasion to the upper through hole and the lower through hole, the embodiment further comprises shaft sleeves 11, wherein the two shaft sleeves 11 are respectively fixed in the upper through hole and the lower through hole, and the two shaft sleeves 11 are respectively sleeved outside the first polish rod section and the second polish rod section.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (4)
1. The utility model provides a device of closely knit rock core model post segmentation sample which characterized in that includes:
the support plate is provided with an upper through hole and a lower through hole which are opposite to each other in the upper-lower position;
the surface of the upper pushing toothed bar is divided into two sections, namely a first polished rod section and a first toothed bar section, and the first polished rod section passes through the upper through hole;
one end of the spiral drill rod is fixedly connected with the end part of the first polished rod section, and the other end of the spiral drill rod is used for extending into the steel jacket;
the rotary drill rod is fixedly connected with one end of the first toothed rod section;
the precession motor is used for driving the rotary drill rod to rotate;
the surface of the lower pushing toothed bar is divided into two sections, namely a second polished rod section and a second toothed bar section, the second polished rod section passes through the lower through hole, and the tooth pitches of the upper gear of the first toothed bar section and the upper gear of the second toothed bar section are the same;
the core sampling disc with scales is fixedly connected with the end part of the second polished rod section, and scale marks are arranged on the core sampling disc with scales along the length direction of the lower pushing gear rod;
a synchronizing gear engaged with both the first toothed bar section and the second toothed bar section;
the propulsion power-assisted motor is used for driving the synchronous gear to rotate;
the scraper is fixed at the position when the spiral drill rod is screwed in, and the tip end of the scraper stretches into the spiral groove on the spiral drill rod and is used for scraping rock and soil in the spiral groove on the spiral drill rod.
2. The device for segmented sampling of compact hardened core model columns according to claim 1, wherein the output shaft of the precession motor is fixedly connected coaxially with the other end of the rotary drill rod.
3. The device for segmented sampling of compact and hardened core model columns according to claim 1, wherein an output shaft of the propulsion booster motor is fixedly connected with the synchronous gear coaxially.
4. The device for segmented sampling of compact and hardened core model columns according to claim 1, further comprising shaft sleeves, wherein two shaft sleeves are respectively fixed in the upper through hole and the lower through hole, and two shaft sleeves are respectively sleeved outside the first polish rod section and the second polish rod section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010690194.8A CN111811872B (en) | 2020-07-17 | 2020-07-17 | Device for sampling core model column section by compaction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010690194.8A CN111811872B (en) | 2020-07-17 | 2020-07-17 | Device for sampling core model column section by compaction |
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| CN111811872A CN111811872A (en) | 2020-10-23 |
| CN111811872B true CN111811872B (en) | 2023-05-23 |
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| CN113790938B (en) * | 2021-08-25 | 2024-04-19 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Core splitting machine with variable caliber |
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| CN210761238U (en) * | 2019-09-12 | 2020-06-16 | 贯月航空技术(杭州)有限公司 | Coaxial wide and narrow wing propulsion device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2000063688A1 (en) * | 1999-04-19 | 2000-10-26 | Martin Jean Pierre | Device for directing drill hole cores |
| CN102042083A (en) * | 2010-12-09 | 2011-05-04 | 潍坊威度电子科技有限公司 | Quasi-free piston internal combustion engine |
| CN204807343U (en) * | 2015-07-30 | 2015-11-25 | 中国神华能源股份有限公司 | Rock core post sample processingequipment |
| CN205246370U (en) * | 2015-11-10 | 2016-05-18 | 六盘水师范学院 | Scale formula rock core rounding table |
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