CN119290477B - Rock stratum sampling device for geological exploration and geological exploration method - Google Patents
Rock stratum sampling device for geological exploration and geological exploration method Download PDFInfo
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- CN119290477B CN119290477B CN202411847226.5A CN202411847226A CN119290477B CN 119290477 B CN119290477 B CN 119290477B CN 202411847226 A CN202411847226 A CN 202411847226A CN 119290477 B CN119290477 B CN 119290477B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention provides a rock stratum sampling device for geological exploration and a geological exploration method, and relates to the technical field of geological exploration. The rock stratum sampling device for geological exploration comprises an upper drill pipe, a lower drill pipe and a drill bit seat, wherein sampling grooves are formed in the surfaces of the upper drill pipe and the lower drill pipe, sampling structures for sampling rock stratum are arranged in the sampling grooves, locking grooves are formed in the end faces of the upper drill pipe, the lower drill pipe and the drill bit seat, and locking structures are arranged in the locking grooves between the upper drill pipe and the lower drill pipe and between the lower drill pipe and the drill bit seat. According to the rock stratum sampling device and the geological exploration method for geological exploration, the upper drill pipe and the lower drill pipe can be stably connected through the locking structure, the lower drill pipe and the drill bit seat are stably connected, rock strata with different depths can be sampled through the sampling structure, and the sampled samples can be stored for subsequent detection and use.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to a rock stratum sampling device for geological exploration and a geological exploration method.
Background
The geological exploration is to survey and detect geology by various means and methods, determine a proper bearing layer, determine a foundation type according to the foundation bearing capacity of the bearing layer and calculate investigation activities of foundation parameters;
the patent with the application number of CN202210482146.9 discloses a rock stratum sampling device for geological exploration and a geological exploration method, the device comprises a sampling part, a drill pipe, a connecting mechanism and an inner pipe, wherein the lower end of the sampling part is detachably connected with the drill pipe through the connecting mechanism, the inner pipe penetrates through the inside of the sampling part and the inside of the drill pipe, the sampling part is formed by connecting a plurality of sleeves end to end, two adjacent sleeves are detachably connected through the connecting mechanism, a containing cavity is formed in the inside of each sleeve and the inside of the drill pipe, the inner pipe is arranged in the containing cavity, the outer wall of the inner pipe is attached to the inner wall of the containing cavity, and teeth are arranged around the lower end of the drill pipe;
The patent structure mainly connects the upper and lower groups of drill pipes by the combination of the T-shaped engaging part and the T-shaped reinforcing part and the T-shaped engaging groove and the T-shaped reinforcing groove, but the connecting mode ensures that the connecting position is not stable enough when the upper and lower groups of drill pipes rotate under the radial and axial acting force, the effect when having reduced the exploration sample, simultaneously, when the sample of above-mentioned patent structure sample, only enter into the inside of inner tube by the arc transition portion of inner tube with the sample after the sample, such storage mode firstly is easy with the sample confusion, inconvenient separately the sample of different positions stores, secondly is easy with the sample loss, has increased the degree of difficulty when the exploration sample.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a rock stratum sampling device for geological exploration and a geological exploration method, which solve the problems that the upper and lower drill pipes are not convenient to be stably connected and used when the rock stratum is sampled in geological exploration, and the sampled samples are not convenient to be stored separately.
(II) technical scheme
In order to realize the purposes that an upper drill pipe and a lower drill pipe are conveniently and stably connected for use when sampling rock formations in geological exploration and the sampled samples are conveniently stored separately, the rock formation sampling device for geological exploration is realized by the following technical scheme that the rock formation sampling device comprises an upper drill pipe, a lower drill pipe and a drill bit seat, wherein sampling grooves are formed in the surfaces of the upper drill pipe and the lower drill pipe, sampling structures for sampling rock formations are arranged in the sampling grooves, locking grooves are formed in the end surfaces of the upper drill pipe, the lower drill pipe and the drill bit seat, and locking structures are arranged in the locking grooves between the upper drill pipe and the lower drill pipe and between the lower drill pipe and the drill bit seat;
the drill bit seat comprises a tunneling tooth and a wall planing tooth, the tunneling tooth is welded and fixed at the bottom end of the drill bit seat, the wall planing tooth is welded and fixed on the outer side surface of the tunneling tooth, a tunneling inclined plane is arranged on the tunneling tooth, a wall planing inclined plane is arranged on the wall planing tooth, and the tunneling inclined plane and the wall planing inclined plane are obliquely arranged.
Preferably, the sampling structure comprises an upper connecting inclined plane and a lower connecting inclined plane, the upper connecting inclined plane is arranged at an upper port of the inside of the sampling groove, the lower connecting inclined plane is arranged at a lower port of the inside of the sampling groove, the inner top surface and the bottom surface of the sampling groove are provided with a switching groove, the inside of the switching groove is rotationally connected with a ladder table pin, a spiral spring is sleeved on the ladder table pin, a sampling scraping plate is fixedly connected between the ladder table pins, an inner connecting inclined plane is arranged at the upper end of the sampling scraping plate, the lower end of the sampling scraping plate is provided with a sampling inclined plane, the inner bottom surface of the sampling groove is provided with a clamping groove, a clamping sleeve is movably clamped in the inside of the clamping groove, a sampling box is fixedly connected with a partition plate, the inside of the sampling box is divided into a feeding cavity and a material storage cavity by the partition plate, and a channel is arranged between the feeding cavity and the material storage cavity.
Preferably, the sampling scraper blade is rotationally connected with the sampling groove through an upper group of ladder table pins and a lower group of ladder table pins, the sampling groove and the sampling scraper blade are integrally in a parallelogram shape, the outer radian of the sampling scraper blade is kept consistent with the outer radian of the upper drill pipe and the lower drill pipe, one end of the spiral spring is fixedly connected with the inner wall of the switching groove, and the other end of the spiral spring is fixedly connected with the ladder table pins.
Preferably, the thickness of sampling scraper blade lower extreme is greater than the thickness of its upper end, sampling scraper blade slope downward setting, connect inclined plane and inscription inclined plane looks adaptation on, it all is provided with magnetism and inhales the panel to go up the surface that connects inclined plane and inscription inclined plane to inhale through magnetism mutually, connect inclined plane and sampling inclined plane looks adaptation down.
Preferably, the sampling box is movably clamped with the sampling groove through a clamping groove and a clamping sleeve, the partition plate is obliquely arranged, the inner ground of the material storage cavity is obliquely arranged, and the feeding cavity and the material storage cavity are communicated through a channel.
Preferably, the locking structure comprises a rubber plug and a screw rod, the rubber plug is inserted into a port of the locking groove, the screw rod is inserted into the locking groove, a threaded sleeve is connected to the screw rod in a threaded mode, an upper locking rod and a lower locking rod are fixedly connected to one end of the inner side of the screw rod, locking ports are formed in the end faces of the upper drilling pipe, the lower drilling pipe and the drill bit seat, locking spiral grooves are formed in the locking ports, locking spiral blocks are inserted into the locking spiral grooves, the locking spiral blocks are welded and fixed to the bottom ends of the upper drilling pipe and the lower drilling pipe, and locking spiral grooves are formed in the outer side surfaces of the locking spiral blocks.
Preferably, the screw rod is in sliding connection with the locking groove, and the threaded sleeve is attached to the inner side wall of the locking groove.
Preferably, the locking spiral groove and the locking spiral block are integrally spiral, and the width dimension of the upper part of the locking spiral groove and the width dimension of the lower part of the locking spiral block are larger than those of the lower part of the locking spiral groove and the locking spiral block.
Preferably, the upper and lower sets of locking bars are arranged in an inclined manner, the upper side is at the junction of the locking bars and the inner top surface of the locking spiral groove, and the lower side is at the junction of the locking bars and the inner bottom surface of the locking spiral groove.
A method of using a rock sampling device for geological exploration, comprising the steps of:
The method comprises the steps that a drill bit seat is arranged below a lower drill pipe, a locking screw block is inserted into a port of a locking port, the lower drill pipe is rotated anticlockwise, the locking screw block can be inserted into a locking screw groove, the locking screw block can be propped against by a screw rod, the locking screw block is fixed, and in the same way, an upper drill pipe is arranged above the lower drill pipe, the upper drill pipe and the lower drill pipe can be stably connected, then the upper drill pipe is connected with an external power source, the upper drill pipe, the lower drill pipe and the drill bit seat can be driven to rotate anticlockwise, and the upper drill pipe, the lower drill pipe and the drill bit seat are enabled to rotate more firmly through the locking screw block and the locking screw groove;
Secondly, placing a drill bit seat on the surface of rock to be sampled, manually pressing down the upper drill pipe, the lower drill pipe and the drill bit seat, enabling the drill bit seat to drive a tunneling tooth and a planing tooth to rotate, drilling down the rock through the tunneling tooth and forming a cylindrical deep hole, planing the inner wall of the cylindrical deep hole through the planing tooth so as to enlarge the diameter of the cylindrical deep hole, taking out the upper drill pipe, the lower drill pipe and the drill bit seat later, and throwing rock fragments outwards through a tunneling inclined plane, and throwing the rock fragments outwards through the planing inclined plane to the position of a sampling groove so as to sample the sampling groove later;
thirdly, in the rotating process of the upper drill pipe and the lower drill pipe, due to the fact that the upper ends of the sampling scraping plates are light and the lower ends are heavy, the sampling scraping plates rotate clockwise and open the sampling grooves under the action of centrifugal force, after the sampling scraping plates are unfolded, rock scraps thrown upwards can be collected into the sampling grooves through the sampling inclined planes, and meanwhile the inner walls of the column-shaped deep holes can be scraped and sampled by the sampling scraping plates;
Fourth step, rock fragments after sampling enter into the feeding cavity inside the sampling box along the sampling groove, and samples inside the feeding cavity can enter into the storage cavity through the channel, and the samples can be prevented from scattering through the partition plate, so that the samples can be stored in the storage cavity, after the upper drill pipe and the lower drill pipe are taken out upwards, the sampling scraper is manually rotated to open the sampling scraper, and then the sampling box is taken down from the inside of the sampling groove.
(III) beneficial effects
The invention provides a rock stratum sampling device for geological exploration and a geological exploration method. The beneficial effects are as follows:
1. After the locking spiral block is inserted into the locking spiral groove, the screw rod is moved inwards to enable one end of the inner side of the screw rod to prop against the inner side surface of the locking spiral groove, the upper locking rod and the lower locking rod are respectively propped against the inner top surface and the inner bottom surface of the locking spiral groove, the screw rod and the lower drill pipe can be fixed through the rotating screw sleeve, therefore, the locking spiral block can be fixed in the locking spiral groove through the screw rod, the upper drill pipe and the lower drill pipe can be fixedly connected in the same way, and in the process of anticlockwise rotating and drilling of the upper drill pipe, the lower drill pipe and the drill bit seat, the locking spiral block is enabled to be overturned and tightened anticlockwise in the process of anticlockwise rotating the locking spiral groove, meanwhile, the upper locking rod and the lower locking rod can be driven by the locking rod to rotate clockwise, the screw rod can be enabled to prop against the locking spiral block, and the stability of connection among the upper drill pipe, the lower drill pipe and the drill bit seat can be improved in the drilling process.
2. In the process that the drill bit seat drives the tunneling tooth and dig the anticlockwise rotation of wall tooth and bore, can drill the rock downwards through the tunneling tooth and form column deep hole, can dig the inner wall of column deep hole through dig the wall tooth, can enlarge the diameter of column deep hole to follow-up will go up drill pipe, down drill pipe and drill bit seat upwards take out, and can outwards throw the rock piece through the tunneling inclined plane, can upwards throw the rock piece after outwards throwing through dig the wall inclined plane and throw, avoid rock piece to influence the effect of tunneling tooth and dig the downward drilling of wall tooth.
3. The diameter of the columnar deep hole after the tunneling tooth is drilled is enlarged through the planing wall tooth, the sampling scraping plate can be rotated and unfolded anticlockwise under the action of centrifugal force in the process of rotating the upper drilling pipe and the lower drilling pipe, the upper end of the sampling scraping plate is rotated inwards to prop against the inner wall of the upper side of the sampling groove and limit the sampling scraping plate, the lower end of the sampling scraping plate is rotated outwards to be in contact with the inner wall of the columnar deep hole, and therefore the inner wall of the columnar deep hole can be planed in the process of rotating the sampling scraping plate anticlockwise, so that a rock stratum sample can be stored in the sampling box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an expanded view of the sampling scraper of the structure of the present invention;
FIG. 3 is a schematic view of a lower drill pipe of the present invention;
FIG. 4 is an enlarged schematic view of a portion of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic diagram of a sample box according to the present invention;
FIG. 6 is a schematic view of a sampling screed according to the present invention;
FIG. 7 is a schematic diagram of a sampling tank according to the present invention;
FIG. 8 is a schematic view of a locking helical groove of the present invention;
FIG. 9 is a partial cross-sectional view of a lower drill pipe of the present invention;
fig. 10 is a partially enlarged schematic view of the structure of fig. 9B in accordance with the present invention.
Wherein, 1, an upper drill pipe, 2, a lower drill pipe, 3, a drill bit seat, 301, a tunneling tooth, 302, a planing wall tooth, 303, a tunneling inclined plane, 304, a planing wall inclined plane, 4, a sampling groove, 401, an upper inclined plane, 402, a lower inclined plane, 403, a switching groove, 404, a landing pin, 405, a spiral spring, 406, a sampling scraper, 407, an internal inclined plane, 408, a sampling inclined plane, 409, a clamping groove, 410, a clamping sleeve, 411, a sampling box, 412, a partition plate, 413, a feeding cavity, 414, a material storage cavity, 415, a channel, 5, a locking groove, 501, a rubber plug, 502, a screw, 503, a screw sleeve, 504, a locking rod, 505, a locking port, 506, a locking spiral groove, 507, a locking spiral block, 508 and a locking spiral groove.
Detailed Description
In the description of the present invention, it should be noted that, for convenience of description and simplification of the description, it is only necessary to indicate or imply that the apparatus or element referred to has a specific orientation, is configured and operated in a specific orientation, and is not to be construed as limiting the invention, and that the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and that the terms "mounted", "connected" are to be construed broadly, such as being fixedly connected, detachably connected, or integrally connected, being mechanically connected, being directly connected, being indirectly connected through intermediate mediums, being in communication with the inside of two elements unless otherwise specified and defined. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-10, the invention provides a rock stratum sampling device for geological exploration, which comprises an upper drill pipe 1, a lower drill pipe 2 and a drill bit seat 3, wherein sampling grooves 4 are formed in the surfaces of the upper drill pipe 1 and the lower drill pipe 2, sampling structures for sampling rock stratum are arranged in the sampling grooves 4, locking grooves 5 are formed in the end surfaces of the upper drill pipe 1, the lower drill pipe 2 and the drill bit seat 3, and locking structures are arranged in the locking grooves 5 between the upper drill pipe 1 and the lower drill pipe 2 and between the lower drill pipe 2 and the drill bit seat 3;
The drill bit seat 3 comprises a tunneling tooth 301 and a planing wall tooth 302, the tunneling tooth 301 is fixedly welded at the bottom end of the drill bit seat 3, the planing wall tooth 302 is fixedly welded on the outer side surface of the tunneling tooth 301, a tunneling inclined surface 303 is formed in the tunneling tooth 301, a planing wall inclined surface 304 is formed in the planing wall tooth 302, the tunneling inclined surface 303 and the planing wall inclined surface 304 are obliquely arranged, the upper drill bit tube 1, the lower drill bit tube 2 and the drill bit seat 3 are connected, when the sampling depth is deeper, the lower drill bit tube 2 is connected with an external power source, the external power source can drive the upper drill bit tube 1 or the lower drill bit tube 2 to rotate anticlockwise, the upper drill bit tube 1 can drive the drill bit seat 3 to rotate anticlockwise, then the drill bit seat 3 is placed on the surface to be sampled, and meanwhile the upper drill bit tube 1, the lower drill bit tube 2 and the drill bit seat 3 are manually pressed down, so that rock can be drilled.
In this embodiment, the sampling structure includes an upper connection inclined plane 401 and a lower connection inclined plane 402, the upper connection inclined plane 401 is disposed at an upper port of the interior of the sampling slot 4, the lower connection inclined plane 402 is disposed at a lower port of the interior of the sampling slot 4, the top and bottom surfaces of the interior of the sampling slot 4 are disposed with a transfer slot 403, the interior of the transfer slot 403 is rotatably connected with a ladder pin 404, a spiral spring 405 is sleeved on the ladder pin 404, a sampling scraper 406 is fixedly connected between the upper and lower groups of ladder pins 404, an inner connection inclined plane 407 is disposed at an upper end of the sampling scraper 406, a sampling inclined plane 408 is disposed at a lower end of the sampling scraper 406, a clamping slot 409 is disposed at an inner bottom surface of the sampling slot 4, a clamping sleeve 410 is movably clamped in the clamping slot 409, a sampling box 411 is fixedly connected to the clamping sleeve 410, a partition 412 is fixedly connected to the interior of the sampling box 411, the partition 412 divides the interior of the sampling box 411 into two forming a feeding cavity 413 and a storage cavity 414, and a channel 415 is disposed between the feeding cavity 413 and the storage cavity 414;
Specifically, as shown in fig. 4 of the specification, when the upper drill pipe 1, the lower drill pipe 2 and the drill bit holder 3 are stationary, the sampling scraper 406 is not unfolded and the sampling groove 4 is closed, when the upper drill pipe 1 or the lower drill pipe 2 rotates, the sampling scraper 406 can be unfolded in a counterclockwise direction due to the centrifugal force, at this time, the upper connection inclined plane 401 is separated from the inner connection inclined plane 407, the lower connection inclined plane 402 is separated from the sampling inclined plane 408, the spiral spring 405 deforms, so that the sampling scraper 406 is in contact with the inner wall of the columnar deep hole, the subsequent sampling scraper 406 can sample, a rock stratum sample can be inserted into the sampling groove 4, and rock strata with different depths can be sampled through the sampling groove 4 on the surfaces of the upper drill pipe 1 and the lower drill pipe 2.
In this embodiment, the sampling scraper 406 is rotatably connected with the sampling slot 4 through two sets of upper and lower bench pins 404, the sampling slot 4 and the sampling scraper 406 are integrally in a parallelogram shape, the outer arc of the sampling scraper 406 is consistent with the outer arc of the upper drill pipe 1 and the lower drill pipe 2, one end of the spiral spring 405 is fixedly connected with the inner wall of the switching slot 403, and the other end is fixedly connected with the bench pins 404;
Specifically, the sampling scraper 406 is rotatably connected to the sampling groove 4 through the upper and lower sets of landing pins 404, and the sampling scraper 406 is disposed obliquely downward, so that when the sampling scraper 406 rotates counterclockwise, the planing sampling can be performed better.
In this embodiment, the thickness of the lower end of the sampling scraper 406 is greater than that of the upper end, the sampling scraper 406 is disposed obliquely downward, the upper connection inclined plane 401 is adapted to the inner connection inclined plane 407, the surfaces of the upper connection inclined plane 401 and the inner connection inclined plane 407 are provided with magnetic attraction panels, and the lower connection inclined plane 402 is adapted to the sampling inclined plane 408 through magnetic attraction;
Specifically, the centrifugal force applied to the sampling scraper 406 is greater than the elasticity of the spiral spring 405 and the magnetic attraction force of the upper connection inclined plane 401 and the inner connection inclined plane 407, so that the sampling scraper 406 can be unfolded under the centrifugal action when the sampling scraper 406 rotates, when sampling is completed, the sampling scraper 406 can be reset through the spiral spring 405, and the sampling scraper 406 can be fixed at the port of the sampling groove 4 through the magnetic attraction force of the upper connection inclined plane 401 and the inner connection inclined plane 407, so that the radian of the sampling scraper 406 is consistent with that of the upper drill pipe 1 and the lower drill pipe 2.
In this embodiment, the sampling box 411 is movably clamped with the sampling slot 4 through the clamping slot 409 and the clamping sleeve 410, the partition 412 is obliquely arranged, the inner ground of the storage cavity 414 is obliquely arranged, and the feeding cavity 413 is communicated with the storage cavity 414 through the channel 415;
specifically, the sampled rock fragments are introduced into the feed chamber 413 inside the sampling box 411 along the sampling groove 4, and the sample inside the feed chamber 413 can be introduced into the storage chamber 414 through the passage 415, and the sample can be prevented from scattering by the partition 412, so that the sample can be stored in the storage chamber 414.
In this embodiment, the locking structure includes a rubber plug 501 and a screw 502, the rubber plug 501 is inserted at a port of the locking groove 5, the screw 502 is inserted in the locking groove 5, the screw 502 is connected with a screw sleeve 503 by threads, an upper locking rod and a lower locking rod 504 are fixedly connected with one end of the inner side of the screw 502, a locking opening 505 is formed in the end surfaces of the upper drill pipe 1, the lower drill pipe 2 and the drill bit seat 3, a locking spiral groove 506 is formed in the locking opening 505, a locking spiral block 507 is inserted in the locking spiral groove 506, the locking spiral block 507 is welded and fixed at the bottom ends of the upper drill pipe 1 and the lower drill pipe 2, and a locking spiral groove 508 is formed in the outer side surface of the locking spiral block 507;
Specifically, as shown in fig. 10 of the specification, after the locking screw block 507 is inserted into the locking screw groove 506, the screw 502 is moved inward to make the inner end of the screw 502 abut against the inner surface of the locking screw groove 508, at this time, the upper and lower sets of locking bars 504 also abut against the inner top and bottom surfaces of the locking screw groove 508, respectively, and then the screw 502 and the lower drill pipe 2 can be fixed by rotating the screw sleeve 503, so that the locking screw block 507 can be fixed inside the locking screw groove 506 by the screw 502, and in the same way, the upper drill pipe 1 and the lower drill pipe 2 can be fixedly connected.
In the embodiment, the screw 502 is slidably connected with the locking groove 5, and the screw sleeve 503 is attached to the inner side wall of the locking groove 5;
Specifically, the threaded sleeve 503 is rotationally connected with the locking groove 5, when the threaded sleeve 503 is rotated, the threaded rod 502 can be driven to move in the horizontal direction, and the threaded rod 502 can be fixed in the locking groove 5 through friction between the threaded sleeve 503 and the inner wall of the locking groove 5.
In this embodiment, the locking spiral groove 506 and the locking spiral block 507 are integrally spiral, and the width dimension of the upper part of the locking spiral groove 506 and the locking spiral block 507 is larger than the width dimension of the lower part;
Specifically, when the locking screw 507 is inserted into the locking screw groove 506, the locking screw 507 is inserted more tightly, so that the locking screw 507 and the locking screw groove 506 can be fastened and connected, so that the stability of the upper drill pipe 1 and the lower drill pipe 2 and the drill bit seat 3 can be improved.
In this embodiment, the upper and lower sets of locking bars 504 are disposed obliquely, and the upper locking bar 504 is connected to the inner top surface of the locking spiral groove 508, and the lower locking bar 504 is connected to the inner bottom surface of the locking spiral groove 508;
Specifically, when the locking screw block 507 rotates, the inner top surface of the locking screw groove 508 can drive the locking rod 504 at the upper side to rotate clockwise, and the inner bottom surface of the locking screw groove 508 can drive the locking rod 504 at the lower side to rotate clockwise, so that the upper and lower groups of locking rods 504 can drive the screw 502 to rotate, and at the moment, the screw sleeve 503 is kept still through friction force with the inner wall of the locking groove 5, so that the screw 502 can be abutted against the locking screw block 507 to fix the screw.
A method of using a rock sampling device for geological exploration, comprising the steps of:
The first step, by placing the drill bit holder 3 below the lower drill pipe 2, inserting the locking screw block 507 into the port of the locking port 505, then rotating the lower drill pipe 2 anticlockwise, the locking screw block 507 can be inserted into the locking screw groove 506, the locking screw block 507 can be propped against by the screw 502, and the locking screw block 507 is fixed, and similarly, the upper drill pipe 1 is placed above the lower drill pipe 2, the upper drill pipe 1 and the lower drill pipe 2 can be stably connected, then the upper drill pipe 1 is connected with an external power source, the upper drill pipe 1, the lower drill pipe 2 and the drill bit holder 3 can be driven to rotate anticlockwise, and the more stable the upper drill pipe 1, the lower drill pipe 2 and the drill bit holder 3 rotate is achieved through the locking screw block 507 and the locking screw groove 506;
secondly, placing the drill bit seat 3 on the rock surface to be sampled, manually downwards pressing the upper drill pipe 1, the lower drill pipe 2 and the drill bit seat 3, enabling the drill bit seat 3 to drive the tunneling tooth 301 and the planing tooth 302 to rotate, drilling down the rock through the tunneling tooth 301 and forming a cylindrical deep hole, planing the inner wall of the cylindrical deep hole through the planing tooth 302 so as to enlarge the diameter of the cylindrical deep hole, taking out the upper drill pipe 1, the lower drill pipe 2 and the drill bit seat 3, and outwards throwing rock fragments through the tunneling inclined surface 303, and upwards throwing the rock fragments outwards through the planing wall inclined surface 304 to the position of the sampling groove 4 so as to sample the sampling groove 4;
Thirdly, in the process of rotating the upper drill pipe 1 and the lower drill pipe 2, due to the fact that the upper ends of the sampling scraping plates 406 are light and the lower ends are heavy, the sampling scraping plates 406 rotate clockwise under the action of centrifugal force and open the sampling grooves 4, after the sampling scraping plates 406 are unfolded, rock scraps thrown upwards can be collected into the sampling grooves 4 through the sampling inclined planes 408, and meanwhile scraping and sampling can be carried out on the inner walls of the cylindrical deep holes by the sampling scraping plates 406;
Fourth, rock fragments after sampling enter the feeding chamber 413 inside the sampling box 411 along the sampling slot 4, and samples inside the feeding chamber 413 can enter the storage chamber 414 through the channel 415, and can be prevented from falling off through the partition plate 412, so that the samples can be stored in the storage chamber 414, after the upper drill pipe 1 and the lower drill pipe 2 are taken out upwards, the sampling scraper 406 is manually rotated to open the sampling scraper, and then the sampling box 411 is taken out from the inside of the sampling slot 4.
The invention has the working principle and the use flow that by inserting the locking screw block 507 at the bottom end of the lower drill pipe 2 into the locking port 505, the lower drill pipe 2 is kept still and rotated by the screw block 3, so that the locking screw block 507 is inserted into the locking screw groove 506, as shown in figure 10 of the specification, after the locking screw block 507 is inserted into the locking screw groove 506, the screw 502 is moved inwards to enable one end of the inner side of the screw 502 to abut against the inner side surface of the locking screw groove 508, at the moment, the upper and lower sets of locking rods 504 also abut against the inner top surface and the bottom surface of the locking screw groove 508 respectively, then the screw sleeve 503 is rotated to fix the screw 502 with the lower drill pipe 2, and therefore, the locking screw block 507 can be fixed inside the locking screw groove 506 by the screw 502, and the upper drill pipe 1 and the lower drill pipe 2 can be fixedly connected in the same way, when the sampling depth is shallow, only the upper drill pipe 1 is required to be connected with an external power source, the lower drill pipe 2 is connected with the external power source, so that the external power source can drive the upper drill pipe 1 or the lower drill pipe 2 to rotate anticlockwise, and the lower drill pipe 1 can be driven by the external power source, and the lower drill pipe 3 can be rotated anticlockwise, and the surface of the upper drill pipe 1 can be driven by the artificial drill pipe 3 can be rotated by the artificial drill pipe 3 A lower drill pipe 2 and a drill bit holder 3, which are capable of drilling rock, forming a column-like deep hole in the rock, and an upper drill pipe 1, in the process of counterclockwise rotation drilling of the lower drill pipe 2 and the drill bit seat 3, as the locking spiral groove 506 and the locking spiral block 507 are spiral, and the locking spiral groove 506 and the locking spiral block 507 are wide in upper part and narrow in lower part, the locking spiral block 507 rotates counterclockwise and is tighter in the locking spiral groove 506, and simultaneously the inner top surface and the bottom surface of the locking spiral groove 508 can stir the upper locking rod and the lower locking rod 504 in the counterclockwise rotation process of the locking spiral block 507, so that the locking rod 504 can drive the screw 502 to rotate clockwise, the screw 502 can tightly support the locking spiral block 507, and the upper drill pipe 1, the lower drill pipe and the drill bit seat 3 can be improved, The stability of the connection between the lower drill pipe 2 and the drill bit holder 3 during drilling, during the process that the drill bit holder 3 drives the tunneling tooth 301 and the planing tooth 302 to rotate anticlockwise for drilling, the rock can be drilled downwards through the tunneling tooth 301 to form a cylindrical deep hole, and the inner wall of the cylindrical deep hole can be planed through the planning tooth 302 so as to enlarge the diameter of the cylindrical deep hole, firstly, the upper drill pipe 1 is convenient to follow, The lower drill pipe 2 and the drill bit seat 3 are taken out upwards, secondly, rock fragments can be thrown outwards through the tunneling inclined plane 303, rock fragments after being thrown outwards can be thrown upwards through the planing wall inclined plane 304, the effect that the rock fragments affect downwards drilling of the tunneling tooth 301 and the planing wall tooth 302 is avoided, furthermore, the columnar deep hole diameter of the tunneling tooth 301 after drilling is enlarged through the planing wall tooth 302, in the anticlockwise rotation process of the upper drill pipe 1 and the lower drill pipe 2, the sampling scraper 406 can be unfolded in anticlockwise rotation due to the action of centrifugal force due to the light lower end of the sampling scraper 406, at the moment, the upper connecting inclined plane 401 is separated from the inner connecting inclined plane 407, the lower connecting inclined plane 402 is separated from the sampling inclined plane 408, the volute spring 405 is deformed, the upper end of the sampling scraper 406 inwards rotates to abut against the upper side inner wall of the sampling groove 4, and the sampling scraper 406 is limited, the lower end of the sampling scraper 406 rotates outwards to contact with the inner wall of the cylindrical deep hole, so that the inner wall of the cylindrical deep hole can be shaved in the process of anticlockwise rotation of the sampling scraper 406, a shaved rock stratum sample falls into the sampling groove 4 and slides down into the feeding cavity 413, the rock stratum sample in the feeding cavity 413 enters the storage cavity 414 through the channel 415, the rock stratum sample is finally accumulated at the bottom of the inner side of the storage cavity 414, the rock stratum sample can be prevented from splashing out of the sampling box 411 through the partition 412, the rock stratum sample can be saved, after sampling is completed, the sampling scraper 406 can be driven to reset through the spiral spring 405, the sampling scraper 406 can be magnetically fixed at the port of the sampling groove 4 through the upper inclined plane 401 and the inner inclined plane 407, and then the upper drill pipe 1 is manually taken out upwards, The lower drill pipe 2 and the drill bit seat 3, when the upper drill pipe 1, the lower drill pipe 2 and the drill bit seat 3 move out of the rock layer, the sampling scraper 406 is rotated again to take out the sampling box 411 from the sampling groove 4, so that subsequent research and detection by staff are facilitated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The rock stratum sampling device for geological exploration comprises an upper drill pipe (1), a lower drill pipe (2) and a drill bit seat (3), and is characterized in that sampling grooves (4) are formed in the surfaces of the upper drill pipe (1) and the lower drill pipe (2), sampling structures for sampling rock stratum are arranged in the sampling grooves (4), locking grooves (5) are formed in the end faces of the upper drill pipe (1), the lower drill pipe (2) and the drill bit seat (3), and locking structures are arranged between the upper drill pipe (1) and the lower drill pipe (2) and in the locking grooves (5) between the lower drill pipe (2) and the drill bit seat (3);
The drill bit seat (3) comprises a tunneling tooth (301) and a planing wall tooth (302), the tunneling tooth (301) is welded and fixed at the bottom end of the drill bit seat (3), the planing wall tooth (302) is welded and fixed on the outer side surface of the tunneling tooth (301), a tunneling inclined plane (303) is formed in the tunneling tooth (301), a planing wall inclined plane (304) is formed in the planing wall tooth (302), and the tunneling inclined plane (303) and the planing wall inclined plane (304) are obliquely arranged;
The sampling structure comprises an upper connection inclined plane (401) and a lower connection inclined plane (402), wherein the upper connection inclined plane (401) is arranged at an upper inner port of a sampling groove (4), the lower connection inclined plane (402) is arranged at a lower inner port of the sampling groove (4), a switching groove (403) is arranged on the inner top surface and the bottom surface of the sampling groove (4), a ladder pin (404) is rotatably connected in the switching groove (403), a spiral spring (405) is sleeved on the ladder pin (404), a sampling scraping plate (406) is fixedly connected between the upper group and the lower group of ladder pins (404), an inner connection inclined plane (407) is arranged at the upper end of the sampling scraping plate (406), a sampling inclined plane (408) is arranged at the lower end of the sampling scraping plate (406), a clamping groove (409) is arranged at the inner bottom surface of the sampling groove (4), a clamping sleeve (410) is movably clamped in the inner surface of the clamping groove (409), a sampling box (411) is fixedly connected to the clamping sleeve (410), a sampling box (412) is fixedly connected to the ladder pin (404), a partition plate (414) is fixedly connected to the inner part of the sampling box (412), and a partition plate (413) is arranged between the sampling box (413) and the material storage cavity (413);
The locking structure comprises a rubber plug (501) and a screw rod (502), the rubber plug (501) is inserted into a port of a locking groove (5), the screw rod (502) is inserted into the locking groove (5), a threaded sleeve (503) is connected to the screw rod (502) in a threaded mode, an upper locking rod (504) and a lower locking rod (504) are fixedly connected to one end of the inner side of the screw rod (502), a locking opening (505) is formed in the end face of an upper drill pipe (1), a lower drill pipe (2) and a drill bit seat (3), a locking spiral groove (506) is formed in the locking opening (505), a locking spiral block (507) is inserted into the locking spiral groove (506), and the locking spiral block (507) is welded and fixed to the bottom ends of the upper drill pipe (1) and the lower drill pipe (2), and a locking spiral groove (508) is formed in the outer side surface of the locking spiral block (507).
2. The rock stratum sampling device for geological exploration according to claim 1, wherein the sampling scraping plate (406) is rotationally connected with the sampling groove (4) through an upper step pin (404) and a lower step pin (404), the sampling groove (4) and the sampling scraping plate (406) are integrally in a parallelogram shape, the outer camber of the sampling scraping plate (406) is kept consistent with the outer camber of the upper drill pipe (1) and the lower drill pipe (2), one end of the spiral spring (405) is fixedly connected with the inner wall of the switching groove (403), and the other end of the spiral spring is fixedly connected with the step pin (404).
3. The rock stratum sampling device for geological exploration according to claim 2, wherein the thickness of the lower end of the sampling scraping plate (406) is larger than that of the upper end of the sampling scraping plate, the sampling scraping plate (406) is obliquely arranged downwards, the upper connecting inclined plane (401) is matched with the inner connecting inclined plane (407), magnetic attraction panels are arranged on the surfaces of the upper connecting inclined plane (401) and the inner connecting inclined plane (407), and the lower connecting inclined plane (402) is matched with the sampling inclined plane (408) through magnetic attraction.
4. A rock stratum sampling device for geological exploration is characterized in that the sampling box (411) is movably clamped with the sampling groove (4) through a clamping groove (409) and a clamping sleeve (410), the partition plate (412) is obliquely arranged, the inner ground of the storage cavity (414) is obliquely arranged, and the feeding cavity (413) is communicated with the storage cavity (414) through a channel (415).
5. The rock stratum sampling device for geological exploration according to claim 4, wherein the screw rod (502) is in sliding connection with the locking groove (5), and the screw sleeve (503) is attached to the inner side wall of the locking groove (5).
6. The device for sampling a geological exploration rock stratum according to claim 5, wherein the locking spiral groove (506) and the locking spiral block (507) are integrally spiral, and the width dimension of the upper part of the locking spiral groove (506) and the width dimension of the lower part of the locking spiral block (507) are larger than the width dimension of the lower part of the locking spiral groove.
7. A geological exploration rock sampling device according to claim 6, wherein the upper and lower sets of locking bars (504) are arranged obliquely, the upper side of the locking bars (504) is connected with the inner top surface of the locking spiral groove (508), and the lower side of the locking bars (504) is connected with the inner bottom surface of the locking spiral groove (508).
8. A geological exploration method, according to any one of claims 1-7, characterized by comprising the following steps:
firstly, placing a drill bit seat (3) below a lower drill pipe (2), then inserting a locking screw block (507) into a port of a locking port (505), then rotating the lower drill pipe (2) anticlockwise, inserting the locking screw block (507) into a locking screw groove (506), propping against the locking screw block (507) through a screw rod (502) and fixing the locking screw block (507), and in the same way, placing an upper drill pipe (1) above the lower drill pipe (2), also stably connecting the upper drill pipe (1) with the lower drill pipe (2), then connecting the upper drill pipe (1) with an external power source, and driving the upper drill pipe (1), the lower drill pipe (2) and the drill bit seat (3) to anticlockwise rotate, so that the connection among the upper drill pipe (1), the lower drill pipe (2) and the drill bit seat (3) is more stable when the upper drill pipe (507) and the locking screw groove (506) rotate;
Secondly, placing the drill bit seat (3) on the surface of rock to be sampled, manually pressing down the upper drill pipe (1), the lower drill pipe (2) and the drill bit seat (3), enabling the drill bit seat (3) to drive the tunneling tooth (301) and the planing wall tooth (302) to rotate, drilling down the rock through the tunneling tooth (301) and forming a cylindrical deep hole, planing the inner wall of the cylindrical deep hole through the planing wall tooth (302) so as to enlarge the diameter of the cylindrical deep hole, taking out the upper drill pipe (1), the lower drill pipe (2) and the drill bit seat (3) later, and throwing rock fragments outwards through the tunneling inclined surface (303), and throwing the rock fragments outwards through the planing wall inclined surface (304) to the position of the sampling groove (4) later;
thirdly, in the rotating process of the upper drill pipe (1) and the lower drill pipe (2), due to the fact that the upper end of the sampling scraping plate (406) is light and the lower end is heavy, the sampling scraping plate (406) rotates clockwise and opens the sampling groove (4) under the action of centrifugal force, after the sampling scraping plate (406) is unfolded, rock scraps thrown upwards can be collected into the sampling groove (4) through the sampling inclined surface (408), and meanwhile the inner wall of the cylindrical deep hole can be scraped and sampled by the sampling scraping plate (406);
Fourth, rock fragments after sampling enter a feeding cavity (413) inside a sampling box (411) along a sampling groove (4), samples inside the feeding cavity (413) can enter a storage cavity (414) through a channel (415), and the samples can be prevented from scattering through a partition plate (412), so that the samples can be stored in the storage cavity (414), and after an upper drill pipe (1) and a lower drill pipe (2) are taken out upwards, a sampling scraper (406) is manually rotated to open the sampling scraper, and then the sampling box (411) is taken down from the inside of the sampling groove (4).
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| CN115586034A (en) * | 2022-05-05 | 2023-01-10 | 张卫超 | Rock stratum sampling device for geological exploration and geological exploration method |
| CN117948138A (en) * | 2024-02-18 | 2024-04-30 | 济南市勘察测绘研究院 | Drilling sampling device for geotechnical engineering investigation |
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| KR101364166B1 (en) * | 2013-10-24 | 2014-02-17 | 한국광물자원공사 | Extractor for sample in ground and extracting method for sample using the same |
| CN211652123U (en) * | 2019-10-30 | 2020-10-09 | 浙江大地岩土勘察有限责任公司 | A geological exploration rock sampling device |
| CN214894168U (en) * | 2021-05-31 | 2021-11-26 | 姚敦华 | Geotechnical engineering reconnaissance sampling device |
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| CN115586034A (en) * | 2022-05-05 | 2023-01-10 | 张卫超 | Rock stratum sampling device for geological exploration and geological exploration method |
| CN117948138A (en) * | 2024-02-18 | 2024-04-30 | 济南市勘察测绘研究院 | Drilling sampling device for geotechnical engineering investigation |
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