CN112729930B - Geotechnical sampling device for geotechnical engineering and working method thereof - Google Patents
Geotechnical sampling device for geotechnical engineering and working method thereof Download PDFInfo
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- CN112729930B CN112729930B CN202110143310.9A CN202110143310A CN112729930B CN 112729930 B CN112729930 B CN 112729930B CN 202110143310 A CN202110143310 A CN 202110143310A CN 112729930 B CN112729930 B CN 112729930B
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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
Abstract
The invention discloses a geotechnical sampling device for geotechnical engineering, which comprises a movable bottom plate and an installation top plate which are arranged in parallel from bottom to top, wherein the left end and the right end of the top surface of the movable bottom plate are respectively provided with a first sliding chute, a connecting baffle is arranged in the first sliding chutes in a sliding manner, and the top surface of the connecting baffle is fixedly connected with the lower bottom surface of the installation top plate. The invention provides a geotechnical sampling device for geotechnical engineering, which is convenient to place a sampling drilling machine through the arrangement of a sampling mechanism, and prevents a sampling tube from deviating due to vibration of an engine in the sampling process; the sampling device is convenient to move through the arrangement of the moving mechanism, and the moving mechanism is detachably arranged in the second sliding chute, so that the sampling device is convenient to disassemble and assemble; the sampled sample can be temporarily stored through the placement of the sample placement mechanism; the invention also provides a working method of the geotechnical sampling device for geotechnical engineering, and through the design of the method, an operation instruction is provided for the installation and the use of the geotechnical sampling device for geotechnical engineering.
Description
Technical Field
The invention belongs to the technical field of geotechnical engineering sampling equipment, and particularly relates to a geotechnical sampling device for geotechnical engineering and a working method thereof.
Background
In field geological work investigation, tests of different depths are often required to be carried out according to different work areas and different stratums, a small sampling drilling machine is widely applied to the field investigation, the small drilling machine consists of an engine and a sampling tube arranged below the engine, when sampling is carried out, a worker holds a handrail of a generator to carry out sampling work, and in the process, due to the working vibration of the engine, the worker is easy to shake when holding the handrail, so that the sampling tube is easy to incline, and sampling is not facilitated; the existing sampling drilling machine is generally in a knapsack type or a portable type and is difficult to move.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a geotechnical sampling device for geotechnical engineering, which is convenient to place a sampling drilling machine through the arrangement of a sampling mechanism and prevents a sampling tube from shifting due to engine vibration in the sampling process; the sampling device is convenient to move through the arrangement of the moving mechanism, and the moving mechanism is detachably arranged in the second sliding chute, so that the sampling device is convenient to disassemble and assemble; the sampled sample can be temporarily stored through the placement of the sample placement mechanism; through the arrangement of the spraying mechanism, the sampling tube in the sampling process can be cooled and sprayed, and the sampling tube after sampling can be sprayed and cleaned; the invention also provides a working method of the geotechnical sampling device for geotechnical engineering, and through the design of the method, an operation instruction is provided for the installation and the use of the geotechnical sampling device for geotechnical engineering.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a geotechnical sampling device for geotechnical engineering comprises a moving bottom plate and a mounting top plate which are arranged in parallel from bottom to top, wherein first sliding grooves are formed in the left end and the right end of the top surface of the moving bottom plate, connecting baffles are arranged in the first sliding grooves in a sliding mode, the top surfaces of the connecting baffles are fixedly connected with the lower bottom surface of the mounting top plate, a second sliding groove is formed in the center of the top surface of the moving bottom plate, a moving mechanism is arranged in the second sliding groove in a sliding mode, a sample placing mechanism is fixedly arranged at the lower end of the right side surface of each connecting baffle, the sample placing mechanism is located at the lower end of the moving bottom plate, spraying mechanisms are arranged at the front end and the rear end of the moving bottom plate in a matching mode, a third sliding groove is formed in the center of the top surface of the mounting top plate, and a sampling mechanism is arranged in the third sliding groove in a matching mode;
the moving mechanism comprises a first sliding plate and moving wheels which are arranged around the lower bottom surface of the first sliding plate in a matching way, and the first sliding plate is arranged in the second sliding groove in a matching way;
the left end and the right end of the front side surface and the right end of the rear side surface of the movable bottom plate are both provided with a U-shaped frame in a matching mode, the U-shaped frame comprises a second sliding plate and third sliding plates vertically arranged on the upper side surface and the lower side surface of the second sliding plate, the left side surface of each third sliding plate is in close contact with the right side surface of the connecting baffle, and the first sliding plate is tightly placed between the two third sliding plates;
the front end of the top surface of the third sliding plate is provided with a first threaded hole, a first bolt is connected with the first threaded hole in an internal thread manner, and the front end and the rear end of the top surface of the movable bottom plate are provided with two second threaded holes matched with the first bolt;
third threaded holes are formed in the front end and the rear end of the left side surface and the rear end of the right side surface of the movable bottom plate, the third threaded holes are communicated with the first sliding groove, second bolts are connected to the third threaded holes in an internal thread mode, and fourth threaded holes matched with the second bolts are evenly distributed in the right side surface of the connecting baffle plate;
the sample placing mechanism comprises a first fixing plate and a second fixing plate which are vertically connected, and the first fixing plate is fixedly arranged at the lower end of the right side face of the connecting baffle;
the top surface of the first fixing plate is provided with two first jacks which are symmetrically arranged at one end close to the second fixing plate, a first inserting column is inserted in the first jacks, the top surface of the first inserting column is fixedly provided with a placing plate, and the lower end of the right side surface of the second fixing plate is provided with two second jacks which are matched with the first inserting column;
the left side surface of the placing plate is uniformly provided with placing grooves;
the spraying mechanism comprises two symmetrically-arranged second inserting columns, third inserting holes matched with the second inserting columns are formed in the front side surface and the rear side surface of the movable bottom plate, telescopic rods are fixedly arranged on the front side surface of the second inserting columns, the telescopic rods are located at the right end of the second sliding plate, and a first adjusting plate is fixedly arranged at one end, away from the movable bottom plate, of each telescopic rod;
a cylindrical groove is formed in the first adjusting plate, a first rotating column is rotatably mounted in the cylindrical groove, spraying holes are uniformly distributed in the side face of the first rotating column, spraying pipes are fixedly mounted in the spraying holes, and a spray head is fixedly communicated with the rear ends of the spraying pipes;
the left side surface and the right side surface of the first rotating column are fixedly provided with second rotating columns, the left end and the right end of the first adjusting plate are provided with rotating holes matched with the second rotating columns, the rotating holes are communicated with the cylindrical grooves, one end, penetrating through the rotating holes, of each second rotating column is fixedly provided with a second adjusting plate, one end, far away from the second rotating columns, of the left side surface of each second adjusting plate is fixedly provided with a third rotating column, one end, far away from the second adjusting plates, of each third rotating column is fixedly provided with an arc plate, the front end of each arc plate is provided with a fifth threaded hole, and a third bolt is in threaded connection with the fifth threaded hole;
two symmetrically-arranged adjusting rings are sleeved outside the first adjusting plate, the adjusting rings are located between the two telescopic rods, mounting plates are fixedly mounted at the upper end and the lower end of the left side face of each adjusting ring, and the mounting plates are fixedly mounted on the top face of the first adjusting plate;
sixth threaded holes matched with the third bolts are uniformly distributed in the outer circumferential surface of the adjusting ring;
the sampling mechanism comprises a sampling drilling machine and a sampling frame fixedly arranged outside the sampling drilling machine, and the sampling drilling machine is positioned in the third sliding chute;
the sampling frame comprises a square frame and positioning frames fixedly arranged at the left end and the right end of the square frame, a first adjusting ring is arranged inside the square frame, first fixing columns are fixedly arranged at the left end and the right end of the first adjusting ring, one end, far away from the first adjusting ring, of each first fixing column is fixedly arranged on the inner surface of the square frame, and the lower end of the sampling drilling machine is arranged in the first adjusting ring in a matched mode.
Furthermore, U-shaped handheld frames are fixedly mounted on the left side face and the right side face of the mounting top plate.
Furthermore, the positioning frame comprises a stretching plate and second fixing columns fixedly installed at the front end and the rear end of the lower bottom surface of the stretching plate, positioning sliding holes matched with the second fixing columns are formed in the left end and the right end of the top surface of the installation top plate, and the second fixing columns penetrate through one ends of the positioning sliding holes and are fixedly connected with the square frame;
a third fixing column is fixedly installed on the left side face of the stretching plate, a second adjusting ring is fixedly installed at one end, far away from the stretching plate, of the third fixing column, and the upper end of the sampling drilling machine is fixedly installed in the second adjusting ring;
the lower bottom surface center fixed mounting of stretched plate has connecting spring, connecting spring keeps away from the one end and the installation roof fixed connection of stretched plate.
A working method of a geotechnical sampling device for geotechnical engineering comprises the following steps:
step a: moving the rock soil sampling device to a position to be sampled through a moving mechanism;
step b: the placing plate is drawn out of the first jack, and the placing plate is inserted into the second jack;
step c: screwing out the second bolt, enabling the connecting baffle to fall down, detaching the U-shaped frame from the outside of the movable bottom plate, and taking out the movable mechanism;
step d: adjusting the position of the movable bottom plate on the connecting baffle, and fixing by using a second bolt;
step e: the second adjusting plate is rotated to adjust the rotation direction of the spray head, so that the spray pipe is connected to the water tank;
step f: starting a sampling drilling machine for sampling, and spraying sampling points through a spray head;
step g: and temporarily storing the sample in the placing groove.
The invention has the beneficial effects that:
1. the invention provides a geotechnical sampling device for geotechnical engineering, which is convenient to place a sampling drilling machine through the arrangement of a sampling mechanism and prevents a sampling tube from deviating due to vibration of an engine in the sampling process.
2. The invention provides a geotechnical sampling device for geotechnical engineering, which is convenient to move through the arrangement of a moving mechanism, and the moving mechanism is detachably arranged in a second sliding chute, so that the geotechnical sampling device is convenient to disassemble and assemble.
3. The invention provides a geotechnical sampling device for geotechnical engineering, which can temporarily store sampled samples through the placement of a sample placement mechanism.
4. The invention provides a geotechnical sampling device for geotechnical engineering, which can cool and spray a sampling tube in the sampling process and can spray and clean the sampled sampling tube through the arrangement of a spraying mechanism.
5. The invention also provides a working method of the geotechnical sampling device for geotechnical engineering, and through the design of the method, an operation instruction is provided for the installation and the use of the geotechnical sampling device for geotechnical engineering.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is an exploded view of a portion of the structure of the present invention;
FIG. 4 is an exploded view of a portion of the structure of the present invention;
FIG. 5 is an exploded view of a portion of the structure of the present invention;
FIG. 6 is an exploded view of a portion of the structure of the present invention;
FIG. 7 is an exploded view of a portion of the structure of the present invention;
FIG. 8 is a top view of a partial structure of the present invention;
FIG. 9 is a left side view of a partial structure of the present invention;
FIG. 10 is a schematic view of a portion of the present invention;
FIG. 11 is a partial schematic view of the present invention;
FIG. 12 is a partial sectional view of the construction of the present invention;
FIG. 13 is an exploded view of a portion of the structure of the present invention;
FIG. 14 is an exploded view of a portion of the structure of the present invention;
FIG. 15 is an exploded view of a portion of the structure of the present invention;
FIG. 16 is a partial schematic structural view of the present invention;
fig. 17 is an exploded view of a portion of the structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1 to 6, the geotechnical sampling device for geotechnical engineering comprises a movable bottom plate 1 and a mounting top plate 2 which are arranged in parallel from bottom to top, wherein first sliding grooves 11 are formed in the left end and the right end of the top surface of the movable bottom plate 1, connecting baffles 12 are arranged in the first sliding grooves 11 in a sliding mode, the top surfaces of the connecting baffles 12 are fixedly connected with the lower bottom surface of the mounting top plate 2, a second sliding groove 13 is formed in the center of the top surface of the movable bottom plate 1, a moving mechanism 14 is arranged in the second sliding groove 13 in a sliding mode, a sample placing mechanism 15 is fixedly arranged at the lower end of the right side surface of the connecting baffles 12, the sample placing mechanism 15 is located at the lower end of the movable bottom plate 1, spraying mechanisms 16 are arranged at the front end and the rear end of the movable bottom plate 1 in a matching mode, a third sliding groove 21 is formed in the center of the top surface of the mounting top plate 2, and a sampling mechanism 22 is arranged in the third sliding groove 21 in a matching mode;
the moving mechanism 14 includes a first sliding plate 141 and moving wheels 142 installed around the lower bottom surface of the first sliding plate 141 in a matching manner, and the first sliding plate 141 is placed in the second sliding chute 13 in a matching manner;
the left end and the right end of the front side surface and the rear side surface of the movable bottom plate 1 are both provided with a U-shaped frame 17 in a matching way, the U-shaped frame 17 comprises a second sliding plate 171 and third sliding plates 172 vertically arranged on the upper side surface and the lower side surface of the second sliding plate 171, the left side surface of each third sliding plate 172 is tightly contacted with the right side surface of the connecting baffle plate 12, and the first sliding plate 141 is tightly arranged between the two third sliding plates 172;
the front end of the top surface of the third sliding plate 172 is provided with a first threaded hole 1721, the first threaded hole 1721 is connected with a first bolt 1722 in a threaded manner, and the front end and the rear end of the top surface of the movable bottom plate 1 are provided with two second threaded holes 18 matched with the first bolt 1722;
third threaded holes 19 are formed in the front end and the rear end of the left side surface and the rear end of the right side surface of the movable bottom plate 1, the third threaded holes 19 are communicated with the first sliding chute 11, second bolts 191 are connected to the third threaded holes 19 in an internal thread mode, and fourth threaded holes 121 matched with the second bolts 191 are uniformly distributed in the right side surface of the connecting baffle plate 12;
through this kind of setting, moving mechanism 14 conveniently removes moving bottom plate 1, and moreover, moving mechanism 14 can conveniently follow and remove the inside dismantlement of moving bottom plate 1 to make connection baffle 12 as supporting, the dismouting is simple and convenient.
As shown in fig. 7 to 9, the sample placing mechanism 15 includes a first fixing plate 151 and a second fixing plate 152 vertically connected, the first fixing plate 151 being fixedly installed at a lower end of a right side surface of the connection block 12;
one end of the top surface of the first fixing plate 151, which is close to the second fixing plate 152, is provided with two first insertion holes 153 which are symmetrically arranged, a first insertion column 154 is inserted in the first insertion holes 153, the top surface of the first insertion column 154 is fixedly provided with a placing plate 155, and the lower end of the right side surface of the second fixing plate 152 is provided with two second insertion holes 156 which are matched with the first insertion column 154;
the left side surface of the placing plate 155 is uniformly provided with placing grooves 1551;
the placement groove 1551 is arranged, so that samples can be conveniently stored, and the placement plate 155 can be accommodated to the upper end of the first fixing plate 151 when not in use;
the first fixing plate 151 is arranged, so that when the connecting baffle plate 12 is arranged on the ground, the contact area of the connecting baffle plate and the ground is enlarged, and the connecting baffle plate is more stably arranged.
As shown in fig. 10 to 15, the spraying mechanism 16 includes two second inserting columns 161 symmetrically arranged, the front and rear side surfaces of the moving base plate 1 are both provided with third insertion holes 3 matched with the second inserting columns 161, the front side surface of the second inserting column 161 is fixedly provided with an expansion link 162, the expansion link 162 is located at the right end of the second sliding plate 171, and one end of the expansion link 162 far away from the moving base plate 1 is fixedly provided with a first adjusting plate 163;
a cylindrical groove 1631 is formed in the first adjusting plate 163, a first rotating column 1632 is rotatably mounted in the cylindrical groove 1631, spraying holes 1633 are uniformly distributed on the side surface of the first rotating column 1632, a spraying pipe 1634 is fixedly mounted in the spraying holes 1633, and a spray head 1635 is fixedly communicated with the rear end of the spraying pipe 1634;
a second rotating column 1636 is fixedly arranged on the left side surface and the right side surface of the first rotating column 1632, rotating holes 1637 matched with the second rotating column 1636 are formed in the left end and the right end of the first adjusting plate 163, the rotating holes 1637 are communicated with the cylindrical grooves 1631, a second adjusting plate 1638 is fixedly arranged at one end, penetrating through the rotating holes 1637, of the second rotating column 1636, a third rotating column 1639 is fixedly arranged at one end, far away from the second rotating column 1636, of the left side surface of the second adjusting plate 1638, an arc-shaped plate 164 is fixedly arranged at one end, far away from the second adjusting plate 1638, of the third rotating column 1639, a fifth threaded hole 1641 is formed in the front end of the arc-shaped plate 164, and a third bolt 1642 is connected to the inner thread of the fifth threaded hole 1641;
two symmetrically-arranged adjusting rings 165 are sleeved outside the first adjusting plate 163, the adjusting rings 165 are located between the two telescopic rods 162, mounting plates 1651 are fixedly mounted at the upper end and the lower end of the left side surface of each adjusting ring 165, and the mounting plates 1651 are fixedly mounted on the top surface of the first adjusting plate 163;
sixth threaded holes 1652 matched with the third bolts 1642 are uniformly distributed on the outer circumferential surface of the adjusting ring 165;
through the arrangement, when in use, the water tank can be connected to the spray pipe 1634, the aim of adjusting the rotation direction of the spray head 1635 is achieved by changing the position of the arc-shaped plate 164 on the inner surface of the adjusting ring 165, and the arc-shaped plate 164 is fixed through the third bolt 1642;
the spraying mechanism 16 can cool and spray the sampling tube, and can also spray and clean the sampled sampling tube.
As shown in fig. 16 to 17, the sampling mechanism 22 includes a sampling drilling machine 221 and a sampling frame 23 fixedly installed outside the sampling drilling machine 221, the sampling drilling machine 221 is located in the third chute 21;
the sampling frame 23 comprises a square frame 231 and positioning frames 232 fixedly installed at the left end and the right end of the top surface of the square frame 231, a first adjusting ring 2311 is arranged inside the square frame 231, first fixing columns 2312 are fixedly installed at the left end and the right end of the first adjusting ring 2311, one ends, far away from the first adjusting ring 2311, of the first fixing columns 2312 are fixedly installed on the inner surface of the square frame 231, and the lower end of the sampling drilling machine 221 is placed in the first adjusting ring 2311 in a matched mode;
the left side surface and the right side surface of the mounting top plate 2 are both fixedly provided with U-shaped handheld frames 4;
the positioning frame 232 comprises a stretching plate 2321 and second fixing columns 2322 fixedly mounted at the front end and the rear end of the lower bottom surface of the stretching plate 2321, positioning slide holes 24 matched with the second fixing columns 2322 are formed at the left end and the right end of the top surface of the mounting top plate 2, and one end of each second fixing column 2322 penetrating through the corresponding positioning slide hole 24 is fixedly connected with the square frame 231;
a third fixing column 2323 is fixedly mounted on the left side surface of the stretching plate 2321, a second adjusting ring 2324 is fixedly mounted at one end of the third fixing column 2323 away from the stretching plate 2321, and the upper end of the sampling drilling machine 221 is fixedly mounted in the second adjusting ring 2324;
a connecting spring 2325 is fixedly installed in the center of the lower bottom surface of the stretching plate 2321, and one end of the connecting spring 2325, which is far away from the stretching plate 2321, is fixedly connected with the installation top plate 2;
by the arrangement, the movement of the sampling drilling machine 221 is limited, so that the sampling pipe is prevented from shifting in the sampling process, and the sampling pipe is prevented from shifting, so that the sampling is influenced;
the second fixed column 2322 is arranged, and the second fixed column 2322 is slidably mounted in the positioning slide hole 24, so that the stability of the sampling process is ensured;
the U-shaped handheld frame 4 is arranged, the installation top plate 2 is convenient to carry, the position of the movable bottom plate 1 on the connecting baffle plate 12 is convenient to adjust, and the second bolt 191 is used for fixing.
The embodiment provides a geotechnical sampling device for geotechnical engineering, which is convenient for placing a sampling drilling machine 221 through the arrangement of a sampling mechanism 22, and prevents a sampling tube from deviating due to vibration of an engine in the sampling process; the sampling device is convenient to move by arranging the moving mechanism 14, and the moving mechanism 14 is detachably arranged in the second sliding groove 13, so that the sampling device is convenient to disassemble and assemble; by the placement of the sample placement mechanism 15, the sampled sample can be temporarily stored; through the setting of spraying mechanism 16, can cool off the sampling tube of sampling in-process and spray, still can spray the washing to the sampling tube after the sample.
Example 2
A working method of a geotechnical sampling device for geotechnical engineering comprises the following steps:
step a: moving the rock soil sampling device to a position to be sampled through a moving mechanism 14;
step b: the placing plate 155 is drawn out from the first insertion hole 153, and the placing plate 155 is inserted into the second insertion hole 156;
step c: screwing out the second bolt 191, enabling the connecting baffle 12 to fall down, detaching the U-shaped frame 17 from the outside of the movable bottom plate 1, and taking out the movable mechanism 14;
step d: adjusting the position of the movable bottom plate 1 on the connecting baffle plate 12 and fixing by using a second bolt 191;
step e: the shower pipe 1634 is connected to the water tank by adjusting the rotation direction of the shower head 1635 by rotating the second adjustment plate 1638;
step f: starting the sampling drilling machine 221 to sample, and spraying the sampling point through the spray head 1635;
step g: the samples are temporarily stored in the placement groove 1551.
The embodiment provides a working method of a geotechnical sampling device for geotechnical engineering, and through the design of the method, an operation instruction is provided for installation and use of the geotechnical sampling device for geotechnical engineering.
The invention provides a geotechnical sampling device for geotechnical engineering and a working method thereof, and the geotechnical sampling device for geotechnical engineering is arranged to ensure the stability of a 221 geotechnical sampling process of a sampling drilling machine; through the arrangement of the working method of the geotechnical sampling device for geotechnical engineering, a reference basis is provided for the specific installation process and the use method of the geotechnical sampling device for geotechnical engineering, and the geotechnical sampling device for geotechnical engineering is favorably used.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (3)
1. The utility model provides a geotechnical sampling device for geotechnical engineering which characterized in that: comprises a movable bottom plate (1) and a mounting top plate (2) which are arranged in parallel from bottom to top, the left end and the right end of the top surface of the movable bottom plate (1) are respectively provided with a first chute (11), the first chute (11) is internally provided with a connecting baffle plate (12) in a sliding way, the top surface of the connecting baffle (12) is fixedly connected with the lower bottom surface of the mounting top plate (2), a second sliding chute (13) is arranged in the center of the top surface of the movable bottom plate (1), a moving mechanism (14) is arranged in the second sliding chute (13) in a sliding way, a sample placing mechanism (15) is fixedly arranged at the lower end of the right side surface of the connecting baffle plate (12), the sample placing mechanism (15) is positioned at the lower end of the movable bottom plate (1), the front end and the rear end of the movable bottom plate (1) are both provided with a spraying mechanism (16) in a matching way, a third sliding groove (21) is formed in the center of the top surface of the mounting top plate (2), and a sampling mechanism (22) is arranged in the third sliding groove (21) in a matched mode;
the moving mechanism (14) comprises a first sliding plate (141) and moving wheels (142) which are arranged around the lower bottom surface of the first sliding plate (141) in a matching mode, and the first sliding plate (141) is placed in the second sliding groove (13) in a matching mode;
the left end and the right end of the front side surface and the rear side surface of the movable bottom plate (1) are respectively provided with a U-shaped frame (17) in a matched mode, each U-shaped frame (17) comprises a second sliding plate (171) and third sliding plates (172) vertically arranged on the upper side surface and the lower side surface of the second sliding plate (171), the left side surface of each third sliding plate (172) is in close contact with the right side surface of the connecting baffle (12), and the first sliding plate (141) is tightly placed between the two third sliding plates (172);
the front end of the top surface of the third sliding plate (172) is provided with a first threaded hole (1721), the first threaded hole (1721) is connected with a first bolt (1722) in an internal thread mode, and the front end and the rear end of the top surface of the movable bottom plate (1) are provided with two second threaded holes (18) matched with the first bolt (1722);
third threaded holes (19) are formed in the front end and the rear end of the left side surface and the rear end of the right side surface of the movable bottom plate (1), the third threaded holes (19) are communicated with the first sliding groove (11), second bolts (191) are connected to the third threaded holes (19) in an internal thread mode, and fourth threaded holes (121) matched with the second bolts (191) are uniformly distributed in the right side surface of the connecting baffle plate (12);
the sample placing mechanism (15) comprises a first fixing plate (151) and a second fixing plate (152) which are vertically connected, and the first fixing plate (151) is fixedly arranged at the lower end of the right side face of the connecting baffle plate (12);
one end, close to the second fixing plate (152), of the top surface of the first fixing plate (151) is provided with two first insertion holes (153) which are symmetrically arranged, first insertion columns (154) are inserted in the first insertion holes (153), a placing plate (155) is fixedly installed on the top surfaces of the first insertion columns (154), and the lower end of the right side surface of the second fixing plate (152) is provided with two second insertion holes (156) which are matched with the first insertion columns (154);
the left side surface of the placing plate (155) is uniformly provided with placing grooves (1551);
the spraying mechanism (16) comprises two second inserting columns (161) which are symmetrically arranged, third inserting holes (3) which are matched with the second inserting columns (161) are formed in the front side surface and the rear side surface of the movable bottom plate (1), an expansion link (162) is fixedly installed on the front side surface of each second inserting column (161), the expansion link (162) is located at the right end of the second sliding plate (171), and a first adjusting plate (163) is fixedly installed at one end, far away from the movable bottom plate (1), of the expansion link (162);
a cylindrical groove (1631) is formed in the first adjusting plate (163), a first rotating column (1632) is rotatably mounted in the cylindrical groove (1631), spraying holes (1633) are uniformly distributed in the side surface of the first rotating column (1632), a spraying pipe (1634) is fixedly mounted in each spraying hole (1633), and a spray head (1635) is fixedly communicated with the rear end of each spraying pipe (1634);
a second rotating column (1636) is fixedly mounted on each of the left side surface and the right side surface of the first rotating column (1632), rotating holes (1637) matched with the second rotating column (1636) are formed in the left end and the right end of the first adjusting plate (163), the rotating holes (1637) are communicated with the cylindrical grooves (1631), a second adjusting plate (1638) is fixedly mounted at one end, penetrating through the rotating holes (1637), of the second rotating column (1636), a third rotating column (1639) is fixedly mounted at one end, far away from the second rotating column (1636), of the left side surface of the second adjusting plate (1638), an arc-shaped plate (164) is fixedly mounted at one end, far away from the second adjusting plate (1638), of the third rotating column (1639), a fifth threaded hole (1641) is formed in the front end of the arc-shaped plate (164), and a third bolt (1642) is connected to the inner thread of the fifth threaded hole (1641);
two symmetrically-arranged adjusting circular rings (165) are sleeved outside the first adjusting plate (163), the adjusting circular rings (165) are located between the two telescopic rods (162), mounting plates (1651) are fixedly mounted at the upper end and the lower end of the left side face of each adjusting circular ring (165), and the mounting plates (1651) are fixedly mounted on the top face of the first adjusting plate (163);
sixth threaded holes (1652) matched with third bolts (1642) are uniformly distributed in the outer circumferential surface of the adjusting ring (165);
the sampling mechanism (22) comprises a sampling drilling machine (221) and a sampling frame (23) fixedly installed outside the sampling drilling machine (221), and the sampling drilling machine (221) is located in the third sliding chute (21);
the sampling frame (23) comprises a square frame (231) and positioning frames (232) fixedly installed at the left end and the right end of the top surface of the square frame (231), a first adjusting ring (2311) is arranged inside the square frame (231), first fixing columns (2312) are fixedly installed at the left end and the right end of the first adjusting ring (2311), one ends, far away from the first adjusting ring (2311), of the first fixing columns (2312) are fixedly installed on the inner surface of the square frame (231), and the lower end of the sampling drilling machine (221) is placed in the first adjusting ring (2311) in a matched mode.
2. The geotechnical sampling device according to claim 1, wherein: and U-shaped handheld frames (4) are fixedly arranged on the left side surface and the right side surface of the mounting top plate (2).
3. The geotechnical sampling device according to claim 1, wherein: the positioning frame (232) comprises a stretching plate (2321) and second fixing columns (2322) fixedly mounted at the front end and the rear end of the lower bottom surface of the stretching plate (2321), positioning sliding holes (24) matched with the second fixing columns (2322) are formed in the left end and the right end of the top surface of the mounting top plate (2), and one ends of the second fixing columns (2322) penetrating through the positioning sliding holes (24) are fixedly connected with the square frame (231);
a third fixing column (2323) is fixedly mounted on the left side surface of the stretching plate (2321), a second adjusting ring (2324) is fixedly mounted at one end, far away from the stretching plate (2321), of the third fixing column (2323), and the upper end of the sampling drilling machine (221) is fixedly mounted in the second adjusting ring (2324);
the center of the lower bottom surface of the stretching plate (2321) is fixedly provided with a connecting spring (2325), and one end, far away from the stretching plate (2321), of the connecting spring (2325) is fixedly connected with the mounting top plate (2).
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