CN113848086B - Novel sampling and cutting device for geological survey - Google Patents
Novel sampling and cutting device for geological survey Download PDFInfo
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- CN113848086B CN113848086B CN202111115397.5A CN202111115397A CN113848086B CN 113848086 B CN113848086 B CN 113848086B CN 202111115397 A CN202111115397 A CN 202111115397A CN 113848086 B CN113848086 B CN 113848086B
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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 belongs to the technical field of geological investigation, and particularly relates to a novel sampling and cutting device for geological investigation. The operation of using the drill bit base member to drill the rock layer is realized to arc protruding piece and arc notch in-process to improve greatly and survey under complicated geology and handle the sample operation of hardness great rock, after boring the great rock of hardness, spring elasticity resumes the state of keeping in the level with boring section of thick bamboo base member downforce, the direction base member gets into next straight slot inside, and follow boring section of thick bamboo base member and rotate drilling operation, thereby effectually solve the geological environment complicacy when meetting the rock of hardness great, be difficult to take a sample to it, there is the problem that is difficult to guarantee the sample rock rate of integrity in the sampling process simultaneously.
Description
Technical Field
The invention belongs to the technical field of geological investigation, and particularly relates to a novel sampling and cutting device for geological investigation.
Background
Geological exploration is understood as geological work in a broad sense, and is investigation and research work for geological conditions such as rock, stratum structure, mineral products, groundwater, landforms and the like in a certain area by applying geological exploration methods such as mapping, geophysical exploration, geochemical prospecting, drilling, pothole exploration, sampling test, geological remote sensing and the like according to requirements of economic construction, national defense construction and scientific and technical development.
Geological investigation is based on geological observation research, and according to task requirements, the principle of obtaining more and better geological achievements is adopted by shorter time and less workload, and necessary technical means or methods such as drilling, sampling test, geological remote sensing and the like are selected. The use or construction process of the methods or means also belongs to the geological investigation range, however, when the existing geological observation is used for sampling, the existing sampling device is difficult to sample when encountering rocks with higher hardness due to the complicated geological environment, and meanwhile, the problem that the integrity rate of the sampled rocks is difficult to ensure exists in the sampling process.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a novel sampling and cutting device for geological investigation, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel sampling cutting device for geological survey, which comprises a base, the upper surface fixed mounting of base has the base case, the fixed surface of base case front side installs control switch, the fixed surface of base installs motor one under the base case, motor one left end output shaft has drive gear one through flange fixed mounting, be equipped with drive gear two directly over drive gear one, base case left end fixed mounting has the installation bed frame, drive gear two's both ends are rotated with installation bed frame and base case respectively through the transmission shaft about, drive gear two left end transmission shaft's circumference fixed mounting has drive bevel gear one, drive bevel gear one left side installation bed frame's upper surface meshing transmission is connected with drive bevel gear two, drive bevel gear two lower surface is through flange fixed connection drive screw, drive bevel gear two one end is kept away from and is passed the upper surface of installation bed frame and extend to the base, and be connected with the rotation of base upper surface, both sides all are equipped with the direction slide bar around the drive screw, the upper and lower both ends of two direction slide bars are connected with the upper surface fixed surface of installation bed frame and base respectively.
Preferably, the left side of installation bed frame is equipped with the connection bed frame, connection bed frame right side fixed mounting has an internal thread section of thick bamboo, the equal fixed mounting in left and right sides of internal thread section of thick bamboo has a guide sleeve, the equal fixed mounting in lower surface at both ends about the connection bed frame has a telescopic column, telescopic column keeps away from connection bed frame one end fixed mounting and has a C type bed frame, the last fixed mounting of connection bed frame has motor two, the output shaft of motor two bottom passes connection bed frame through the flange, and fixed mounting has a boring section of thick bamboo base member, a plurality of straight notch has been seted up to the circumference that boring section of thick bamboo base member kept away from motor two one end, the annular notch has been seted up on the top of straight notch, the interior top surface fixed mounting of annular notch has a plurality of arc protruding piece, the arc notch has all been seted up at the interior bottom surface of annular notch under a plurality of arc protruding piece, boring section of thick bamboo base member bottom is equipped with the drill bit base member, the circumference fixed mounting that the drill bit base member is close to the bottom has a plurality of side tooth groove, the inner wall fixed mounting of drill bit base member has a plurality of tooth groove, drill base member inner wall fixed mounting of drill bit base member has a plurality of guide base member, drill bit base member passes through guide base member and straight notch sliding connection, the inner wall of drill base member has a plurality of spring and a plurality of spring, a plurality of spring is connected with annular plate under the annular plate respectively.
Preferably, a transmission chain is arranged between the first transmission gear and the second transmission gear, and the first transmission gear is in transmission connection with the second transmission gear through the transmission chain.
Preferably, the connecting base frame is in threaded transmission connection with the transmission screw rod through an internal thread cylinder, and the two guide sleeves are respectively in sliding connection with the two guide slide bars.
Preferably, the second motor, the drill cylinder base body and the drill bit base body are all concentrically arranged, and the inside of the drill cylinder base body is hollow.
Preferably, the connecting base frame is symmetrically arranged on the base center line, the straight notch, the arc-shaped protruding piece and the arc-shaped notch are all circumferentially arranged at equal intervals on the axis of the drill cylinder base body, and the arc-shaped protruding piece is located right above the center lines of two adjacent straight notches.
Preferably, the side teeth, the tooth grooves and the guide base blocks are all circumferentially arranged at equal intervals on the axis of the drill bit matrix, and the radius size of one end of the drill cylinder matrix, which is close to the drill bit matrix, is smaller than that of the drill bit matrix.
Compared with the prior art, the invention has the beneficial effects that:
1. the novel sampling and cutting device for geological investigation comprises a transmission screw, a drill cylinder matrix, a drill bit matrix and a C-shaped base frame, wherein a first starting motor rotates to drive a first transmission bevel gear to rotate at a constant speed, meanwhile, the first transmission bevel gear and a second transmission bevel gear are matched to drive the transmission screw to rotate at a constant speed, the connecting base frame is subjected to downward position regulation and control, the C-shaped base frame is firstly contacted with the ground surface in the descending process of the connecting base frame, then the connecting base frame continuously moves down a telescopic column to shrink, the second starting motor drives the drill cylinder matrix to rotate when the drill bit matrix contacts the ground, at the moment, the spring force and the lower pressure of the drill cylinder matrix are in a flat state, the drill bit matrix can rotate along with the drill cylinder matrix through the inner position of a straight notch and is matched with the downward displacement of the connecting base frame to prepare for drilling and sampling on the ground surface, if encountering geological layers with high hardness of underground rock, the downward pressure of the drill cylinder matrix to the spring is continuously increased, and at the same time, the drill bit matrix can enter the annular notch from the straight notch through the guide base block, and pass through the arc-shaped convex piece and the arc-shaped notch in the continuous rotating state of the drill cylinder matrix, and the operation of drilling the rock layer by using the drill bit matrix is realized in the process of passing through the arc-shaped convex piece and the arc-shaped notch, so that the sampling operation treatment of the rock with high hardness under complex geological survey is greatly improved, after drilling the rock with high hardness, the spring force and the downward pressure of the drill cylinder matrix are restored to be in a flat state, the guide base block enters the next straight notch, and rotates and drills along with the drill cylinder matrix, thereby effectively solving the problem that the sampling of the rock with high hardness is difficult to be carried out when the geological environment is complex, meanwhile, the problem that the integrity rate of the sampled rock is difficult to ensure exists in the sampling process.
2. This novel sample of geological survey usefulness is excavated device can carry out rotary cutting's use effect to the earth's surface through setting up the tooth socket to be convenient for realize the geological sampling to the subsurface, can carry out the effect that the secondary rotary cut was maintained to the downthehole wall after the tooth socket was bored through the side tooth that sets up, the later stage geological survey personnel of being convenient for surveys the geology through the drilling and uses.
3. This novel sample of geological survey usefulness is excavated device can press the cover to the drilling earth's surface before drilling the earth's surface through setting up C type bed frame and use for improve the stability under the setting operational mode, simultaneously, can also be in the vertical downward drilling of supplementary boring section of thick bamboo base member, prevent that boring section of thick bamboo base member from appearing the skew and influencing geological survey.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a three-dimensional structure of the present invention;
FIG. 4 is a perspective view of a first drill pipe matrix according to the present invention;
FIG. 5 is a schematic perspective view of a second drill pipe matrix according to the present invention;
FIG. 6 is a schematic view of a perspective cross-sectional structure of a drill pipe base body according to the present invention;
FIG. 7 is a schematic view of a partial assembly of a bit body and a drill barrel body of the present invention;
FIG. 8 is a schematic view of a partial cross-sectional assembly of a bit body and a drill barrel body of the present invention;
fig. 9 is a schematic view of a partial structure of fig. 3 a according to the present invention.
The device comprises a base 1, a base 2, a base box 3, a control switch 4, a first transmission gear 5, a second transmission gear 6, a transmission chain 7, an installation base frame 8, a first transmission bevel gear 9, a second transmission bevel gear 10, a transmission screw 11, a connection base frame 12, a 13 internal thread cylinder, a 14 guide sleeve, a 15 telescopic column, a 16C base frame, a second motor 17, a 18 drilling cylinder base body, a 19 straight notch, a 20 annular notch, a 21 arc-shaped convex piece, a 22 arc-shaped notch, a 23 drill bit base body, 24 side teeth, a 25 tooth socket, a 26 guide base block, a 27 spring and a 28 annular plate.
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.
Referring to fig. 1-9, the present invention provides the following technical solutions: the novel sampling and cutting device for geological investigation comprises a base 1, a base box 2 is fixedly arranged on the upper surface of the base 1, a control switch 3 is fixedly arranged on the surface of the front side of the base box 2, the control switch 3 is used for controlling the starting and stopping of electric components used in the cutting device, a motor I4 is fixedly arranged on the upper surface of the base 1 right below the base box 2, a transmission gear I5 is fixedly arranged on the left end output shaft of the motor I4 through a flange, a transmission gear II 6 is arranged right above the transmission gear I5, a transmission chain 7 is arranged between the transmission gear I5 and the transmission gear II 6, the transmission gear I5 is in transmission connection with the transmission gear II 6 through the transmission chain 7, an installation base frame 8 is fixedly arranged at the left end of the base box 2, the left end and the right end of the transmission gear II 6 are respectively in rotary connection with the installation base frame 8 and the base box 2 through transmission shafts, the circumference of the transmission shaft at the left end of the transmission gear II 6 is fixedly provided with a transmission bevel gear I9, the upper surface of a base frame 8 is arranged at the left side of the transmission bevel gear I9 and is in meshed transmission connection with a transmission bevel gear II 10, the lower surface of the transmission bevel gear II 10 is fixedly connected with a transmission screw 11 through a flange, one end of the transmission screw 11 far away from the transmission bevel gear II 10 penetrates through the installation base frame 8 to extend to the upper surface of the base 1 and is rotationally connected with the upper surface of the base 1, the front side and the rear side of the transmission screw 11 are respectively provided with a guide slide bar, the upper end and the lower end of the two guide slide bars are respectively fixedly connected with the lower surface of the installation base frame 8 and the upper surface of the base 1, the left side of the installation base frame 8 is provided with a connection base frame 12, the right side of the connection base frame 12 is fixedly provided with an internal thread cylinder 13, the left side and the right side of the internal thread cylinder 13 are respectively fixedly provided with a guide sleeve 14, the connection base frame 12 is in threaded transmission connection with the transmission screw 11 through the internal thread cylinder 13, the two guide sleeves 14 are respectively connected with the two guide slide bars in a sliding way, the lower surfaces of the left end and the right end of the connecting base frame 12 are fixedly provided with telescopic columns 15, one end of each telescopic column 15, which is far away from the connecting base frame 12, is fixedly provided with a C-shaped base frame 16, the surface of a drilled hole can be covered and used before the surface is drilled by arranging the C-shaped base frame 16 for improving the stability under the working running state, simultaneously, the auxiliary drilling barrel base body 18 can be vertically drilled downwards, the inclination deviation of the drilling barrel base body 18 is prevented from influencing geological survey, the upper surface of the connecting base frame 12 is fixedly provided with a motor II 17, an output shaft at the bottom end of the motor II 17 passes through the connecting base frame 12 through a flange, and is fixedly provided with a drilling barrel base body 18, the circumferential surface of one end of the drilling barrel base body 18, which is far away from the motor II 17, is provided with a plurality of straight slot openings 19, the top ends of the straight slot openings 19 are provided with annular slots 20, the inner top surface of the annular slot 20 is fixedly provided with a plurality of arc-shaped convex pieces 21, the inner bottom surface of the annular slot 20 right below the arc-shaped convex pieces 21 is provided with arc-shaped slots 22, the connecting base frame 12 is symmetrically arranged left and right by the central line of the base 1, the straight slots 19, the arc-shaped convex pieces 21 and the arc-shaped slots 22 are circumferentially arranged at equal intervals by the axle center of the drill tube matrix 18, the arc-shaped convex pieces 21 are positioned right above the central lines of two adjacent straight slots 19, the bottom end of the drill tube matrix 18 is provided with a drill bit matrix 23, the motor II 17, the drill tube matrix 18 and the drill bit matrix 23 are concentrically arranged, the inside of the drill tube matrix 18 is hollow, the circumferential surface of the drill bit matrix 23 close to the bottom end is fixedly provided with a plurality of side teeth 24, the lower surface of the drill bit matrix 23 is provided with a plurality of tooth grooves 25, the use of the rotary cutting on the earth surface can be realized by arranging the tooth grooves 25, so that geological sampling under the earth surface is convenient to realize, the side teeth 24 can carry out secondary rotary cutting trimming on the inner wall of the hole after the tooth socket 25 is drilled, so that later geological survey staff can survey geology through drilling, a plurality of guide base blocks 26 are fixedly arranged on the inner wall of the drill bit base body 23, the drill bit base body 23 is in sliding connection with the straight notch 19 through the guide base blocks 26, the side teeth 24, the tooth socket 25 and the guide base blocks 26 are all arranged in an equidistant circumferential arrangement mode of the axis of the drill bit base body 23, the radius size of one end of the drill cylinder base body 18, which is close to the drill bit base body 23, is smaller than the radius size of the drill bit base body 23, a plurality of springs 27 are arranged on the inner wall of the drill bit base body 23, an annular plate 28 is arranged right above the plurality of springs 27, the upper end and the lower end of the plurality of springs 27 are fixedly connected with the annular plate 28 and the drill bit base body 23 respectively, the transmission bevel gear 9 is driven to rotate at uniform speed through the rotation of the starting motor 4, meanwhile, the transmission bevel gear I9 and the transmission bevel gear II 10 are in transmission fit to drive the transmission screw 11 to rotate at a constant speed, the connecting base frame 12 is subjected to downward position regulation, the C-shaped base frame 16 is firstly contacted with the ground surface in the descending process of the connecting base frame 12, the connecting base frame 12 continuously moves down to shrink the telescopic column 15, the motor II 17 is started to drive the drill tube base body 18 to rotate when the drill bit base body 23 contacts the ground surface, at the moment, the elasticity of the spring 27 is in a level state with the downward pressure of the drill tube base body 18, the drill bit base body 23 can rotate along with the drill tube base body 18 through the guide base block 26 at the inner position of the straight notch 19, the connecting base frame 12 is matched to downwards displace to prepare for drilling and sampling on the ground surface, if a geological layer with larger hardness of underground rock is encountered, the downward pressure of the drill tube base body 18 to the spring 27 is continuously increased, meanwhile, the drill bit matrix 23 can enter the annular notch 20 from the straight notch 19 through the guide base block 26, and passes through the arc-shaped convex piece 21 and the arc-shaped notch 22 in the continuous rotation state of the drill cylinder matrix 18, and the operation of drilling the rock layer by using the drill bit matrix 23 is realized in the process of passing through the arc-shaped convex piece 21 and the arc-shaped notch 22, so that the sampling operation treatment of harder rocks under complex geological survey is greatly improved, after the harder rocks are drilled, the elasticity of the spring 27 and the downward pressure of the drill cylinder matrix 18 restore to be in a flat state, and the guide base block 26 enters the next straight notch 19 and follows the drill cylinder matrix 18 to perform rotary drilling operation.
The working principle and the using flow of the invention are as follows: after the invention is installed, firstly, the base 1 is moved to a drilling position, then the first transmission bevel gear 9 is driven to rotate at a constant speed through the rotation of the first starting motor 4, meanwhile, the first transmission bevel gear 9 and the second transmission bevel gear 10 are driven to rotate at a constant speed through the transmission cooperation of the first transmission bevel gear 9 and the second transmission bevel gear 10, the connecting base frame 12 is regulated and controlled in a downward position, the C-shaped base frame 16 firstly contacts with the ground surface in the descending process of the connecting base frame 12, the connecting base frame 12 continuously moves down the telescopic column 15 to shrink, the second starting motor 17 drives the drill cylinder base body 18 to rotate when the drill bit base body 23 contacts the ground, at the moment, the elasticity of the spring 27 is in a flat state with the downward pressure of the drill cylinder base body 18, the drill bit base body 23 can rotate along with the drill cylinder base body 18 through the guide base block 26 at the inner position of the straight notch 19, in cooperation with the downward displacement of the connecting base frame 12 for drilling and sampling the earth surface, if a geological layer with higher hardness of underground rock is encountered, the downward pressure of the spring 27 by the drill cylinder base body 18 is continuously increased, meanwhile, the drill bit base body 23 can enter the annular notch 20 from the straight notch 19 through the guide base block 26, and in the continuous rotation state of the drill cylinder base body 18, the arc-shaped protruding piece 21 and the arc-shaped notch 22 are used for performing the drilling operation on the rock layer by using the drill bit base body 23 in the process of passing through the arc-shaped protruding piece 21 and the arc-shaped notch 22, so that the sampling operation treatment on the rock with higher hardness under complex geological survey is greatly improved, after the drilling on the rock with higher hardness, the elastic force of the spring 27 is restored to be in the same level with the downward pressure of the drill cylinder base body 18, the guide base block 26 enters the next straight notch 19, and the drill bit base body 18 is rotated, all electric equipment in the device is powered by an external power supply.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Novel sampling and cutting device for geological survey comprises a base (1), and is characterized in that: the upper surface of the base (1) is fixedly provided with a base box (2), the surface of the front side of the base box (2) is fixedly provided with a control switch (3), the upper surface of the base (1) right below the base box (2) is fixedly provided with a first motor (4), the left end output shaft of the first motor (4) is fixedly provided with a first transmission gear (5) through a flange, one end of the first transmission gear (5) is provided with a second transmission gear (6) right above the first transmission gear, the left end of the base box (2) is fixedly provided with an installation base frame (8), the left end and the right end of the second transmission gear (6) are respectively and rotatably connected with the installation base frame (8) and the base box (2) through transmission shafts, the circumferential surface of the transmission shaft of the left end of the second transmission gear (6) is fixedly provided with a first transmission bevel gear (9), the upper surface of the left side installation base frame (8) of the first transmission bevel gear (9) is in meshed transmission connection with a second transmission bevel gear (10), the lower surface of the second transmission bevel gear (10) is fixedly connected with a transmission screw (11) through a flange, one end of the transmission screw (11) far away from the transmission bevel gear (10) extends to the upper surface of the base (1) through the installation base frame (8) and is rotatably connected with the upper surface of the base (1) through transmission shafts, the transmission bevel gear (11) are respectively provided with guide screws on two sides, the upper end and the lower end of the two guide slide bars are fixedly connected with the lower surface of the installation base frame (8) and the upper surface of the base (1) respectively;
the left side of installation bed frame (8) is equipped with connection bed frame (12), connection bed frame (12) right side fixed mounting has internal thread section of thick bamboo (13), the left and right sides of internal thread section of thick bamboo (13) all fixed mounting has guide sleeve (14), the lower surface at both ends is all fixed mounting in connection bed frame (12) has flexible post (15), flexible post (15) keep away from connection bed frame (12) one end fixed mounting has C type bed frame (16), the last surface fixed mounting of connection bed frame (12) has motor two (17), the output shaft of motor two (17) bottom passes connection bed frame (12) through the flange, and fixed mounting has boring section of thick bamboo base member (18), a plurality of straight slot mouth (19) have been seted up to the periphery that boring section of thick bamboo base member (18) kept away from motor two (17) one end, annular slot mouth (20) have been seted up on the top of straight slot mouth (19), the interior top surface fixed mounting of annular slot mouth (20) has a plurality of arc protruding piece (21), arc slot mouth (22) have all been seted up to the interior bottom surface of annular slot mouth (20) under a plurality of arc protruding piece (21), the bottom face (23) is equipped with boring section of thick bamboo base member (18) and boring section of thick bamboo base member (23) is equipped with bit tooth (25) side tooth (25), the inner wall fixed mounting of drill bit base member (23) has a plurality of direction foundation block (26), and drill bit base member (23) pass through direction foundation block (26) and straight slot (19) sliding connection, and the inner wall of drill bit base member (23) is equipped with a plurality of spring (27), is equipped with annular plate (28) directly over a plurality of spring (27), and the upper and lower both ends of a plurality of spring (27) are respectively with annular plate (28) and drill bit base member (23) fixed connection.
2. The novel sampling and cutting device for geological survey of claim 1, wherein: a transmission chain (7) is arranged between the first transmission gear (5) and the second transmission gear (6), and the first transmission gear (5) is in transmission connection with the second transmission gear (6) through the transmission chain (7).
3. The novel sampling and cutting device for geological survey of claim 1, wherein: the connecting base frame (12) is in threaded transmission connection with the transmission screw (11) through the internal thread cylinder (13), and the two guide sleeves (14) are respectively connected with the two guide slide bars in a sliding manner.
4. The novel sampling and cutting device for geological survey of claim 1, wherein: the second motor (17), the drill cylinder base body (18) and the drill bit base body (23) are concentrically arranged, and the inside of the drill cylinder base body (18) is hollow.
5. The novel sampling and cutting device for geological survey of claim 1, wherein: the connecting base frame (12) is symmetrically arranged on the center line of the base (1), the straight notch (19), the arc-shaped protruding piece (21) and the arc-shaped notch (22) are circumferentially arranged at equal intervals on the axis of the drill cylinder base body (18), and the arc-shaped protruding piece (21) is positioned right above the center lines of two adjacent straight notches (19).
6. The novel sampling and cutting device for geological survey of claim 1, wherein: the side teeth (24), the tooth grooves (25) and the guide base blocks (26) are all circumferentially arranged at equal intervals on the axis of the drill bit matrix (23), and the radius size of one end, close to the drill bit matrix (23), of the drill cylinder matrix (18) is smaller than that of the drill bit matrix (23).
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| CN202111115397.5A CN113848086B (en) | 2021-09-23 | 2021-09-23 | Novel sampling and cutting device for geological survey |
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| CN202111115397.5A CN113848086B (en) | 2021-09-23 | 2021-09-23 | Novel sampling and cutting device for geological survey |
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| CN114486337B (en) * | 2022-02-16 | 2024-03-26 | 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） | Mineral geological mineral exploration sampling equipment |
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