CN114509298A - A rock sampling detection device in geological drilling - Google Patents

Abstract

The invention discloses a rock sampling detection device in geological drilling, which belongs to the technical field of geological drilling. The sampling mechanism includes an adjustment mechanism installed on the base for changing the position of the device, the adjustment mechanism is provided with a drilling mechanism, the detection mechanism includes a fixing mechanism for fixing the sample rock, and the fixing mechanism is provided with a pressure on the rock. A testing mechanism for detection; the present invention can improve the fitting rate through the cooperation of the fixed cylinder, the drilling cylinder and the slotted cylinder on the drilling mechanism, and the placement groove is provided with two clamping plates which are mutually extruded to the internal rock samples Extrusion is performed to facilitate rock removal; at the same time, through the cooperation of the three arc-shaped extrusion plates on the fixing mechanism, rocks of different sizes can be fixed, and the sample rocks can be fixed with pressure from different directions to increase the stability of the sample rocks.

Description

A rock sampling detection device in geological drilling

technical field

The invention belongs to the technical field of geological drilling, in particular to a rock sampling detection device in geological drilling.

Background technique

In geological exploration, drilling methods are often used to observe the natural state of rock and soil layers and the geological structure of each layer. Drilling refers to the use of drilling rigs to drill holes in the stratum to identify and divide the subsurface strata, and can sample along the depth of the hole. An exploration method that obtains deep geological data. In the existing geological drilling, after the rock samples are drilled, the rock samples are generally inside the drill pipe, and then taken out with the drill pipe. It is not easy to take out the inside, which increases the difficulty of workers' operation. At the same time, the samples are generally equipped with a fixed inspection table. The samples taken out are different in size, and different inspection tables need to be customized, resulting in a waste of cost, and the pressure test is carried out on the inspection table. When the rock is not firmly fixed, it is easy to slide during pressure measurement, resulting in inaccurate pressure measurement.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a rock sampling detection device in geological drilling, which is used to solve the problems faced in the above-mentioned background technology.

The object of the present invention can be realized through the following technical solutions:

A rock sampling detection device in geological drilling, comprising a base, a sampling mechanism for collecting rocks is arranged on the base, and a detection mechanism for detecting the collected rocks is arranged on the side of the sampling mechanism;

The sampling mechanism includes an adjustment mechanism installed on the base for changing the position of the device, the adjustment mechanism is provided with a drilling mechanism, and the detection mechanism includes a fixing mechanism for fixing the sample rock, and the fixing mechanism is provided with There are test institutions that test rock pressure.

Further, the adjustment mechanism includes a turntable rotatably connected to the base, the turntable is provided with a first installation column, the first installation column is provided with a hydraulic telescopic arm, and the output end of the hydraulic telescopic arm is provided with a A second installation column, a vertical rod is arranged on the second installation column, a sliding card slot is arranged on the vertical pole, and a sliding card block is slidably connected in the sliding card slot, and one side of the sliding card block is provided with There is a first clamping plate, the top of the first clamping plate is provided with a first hydraulic cylinder, the other end of the sliding clamping block is provided with a second clamping plate, the second clamping plate is provided with a driving motor, the The output end of the driving motor is connected with the drilling mechanism through the rotating shaft.

Further, the drilling mechanism includes a fixing cylinder connected with the adjusting mechanism, a drill cylinder is threadedly connected to the lower part of the fixing cylinder, a slotted cylinder is threadedly connected to the lower part of the drilling cylinder, the fixing cylinder, the drilling cylinder and the The diameters of the slotted cylinders are all the same.

Further, a first threaded cylinder is arranged below the fixing cylinder, two threaded holes are symmetrically arranged on the outer wall of the fixing cylinder, and a placement groove is opened on the inner wall of the fixing cylinder, and the placement groove is symmetrically arranged in the inner wall. There are two semi-circular clamping plates, the diameter of the clamping plate is the same as the diameter of the fixing cylinder, the back of the clamping plate is provided with a threaded rod that cooperates with the threaded holes, and the inner wall of the clamping plate is provided with a threaded rod. A plurality of first anti-skid teeth are arranged, a hollow area is also arranged on the inner top of the fixing cylinder, and elastic splints are arranged around the hollow area;

The top end of the drill barrel is provided with a first threaded groove matched with the first threaded barrel, the bottom end of the drill barrel is provided with a second threaded barrel identical to the first threaded barrel, and an annular array is formed on the outer wall of the drill barrel. There are several first drills;

The top end of the slotted cylinder is provided with a second thread groove matched with the second thread cylinder, the outer wall of the slotted cylinder is provided with a plurality of second drill cutters in an annular array, and the bottom end of the slotted cylinder is provided with a number of second drills. A V-shaped drill hole is provided, and a third drill cutter is arranged on the V-shaped drill hole.

Further, the fixing mechanism includes a fixing plate, the fixing plate includes a first chute, and two ends of the first chute are symmetrically provided with a second chute and a third chute arranged obliquely, and the first chute is symmetrical. A first slide plate is fitted on a chute, one end of the first slide plate is provided with a second hydraulic cylinder, the other end of the first slide plate is provided with a first rack with teeth on both sides, the first rack A first arc-shaped extruding plate is connected to the end of the first rack, and two sides of the first rack are symmetrically provided with gear columns rotatably connected with the fixed plate, the gear columns and the first rack are meshed with each other, and the second rack is A second sliding plate is connected in the chute, the end of the second sliding plate is provided with a second rack that engages with the gear column, the end of the second rack is connected with a first L plate, the first L The inner wall of the plate is provided with a second arc-shaped extrusion plate, the third sliding slot is provided with a third sliding plate, and the end of the third sliding plate is provided with a third rack that cooperates with another gear column, so A second L-plate is connected to the end of the third rack, and a third arc-shaped pressing plate is arranged on the inner wall of the second L-plate.

Further, second anti-skid teeth are provided on the inner walls of the first arc-shaped pressing plate, the second arc-shaped pressing plate and the third arc-shaped pressing plate.

Further, the testing mechanism includes two symmetrically arranged support plates, a first pressure plate is arranged between the support plates, a circular placement port is arranged on the first pressure plate, and a top end of the support plate is provided. There is an electric control telescopic rod, the top of the electric control telescopic rod is provided with a U-shaped plate, the middle position of the U-shaped plate is provided with an electric control cylinder, and the output end of the electric control cylinder is provided with a second A pressure plate, the U-shaped plate is also provided with a controller, and the controller is electrically connected with the first pressure plate, the second pressure plate, the electronically controlled telescopic rod and the electronically controlled cylinder.

Beneficial effects of the present invention:

The invention can improve the fitting rate through the cooperation of the fixing cylinder, the drilling cylinder and the slotted cylinder on the drilling mechanism, which is convenient for use and carrying and transportation. The internal rock samples are squeezed by mutual extrusion, which is convenient for rock removal; at the same time, through the mutual cooperation of the three arc-shaped extrusion plates on the fixing mechanism, different sizes of rocks can be fixed, and the samples can be pressed from different directions to carry out Fixed to increase the stability of the sample rock and facilitate subsequent pressure testing.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. In other words, on the premise of no creative work, other drawings can also be obtained from these drawings.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of adjustment mechanism;

Fig. 3 is the structural representation of drilling mechanism;

4 is a schematic cross-sectional view of a fixed cylinder;

Fig. 5 is the structural representation of drill pipe;

Fig. 6 is the structural representation of slotted cylinder;

Fig. 7 is the structural representation of the fixing mechanism;

FIG. 8 is a schematic diagram of the structure of the testing mechanism.

Description of the labels in the figure:

1. Base; 2. Sampling mechanism; 3. Adjusting mechanism; 4. Drilling mechanism; 5. Testing mechanism; 6. Fixing mechanism; 7. Testing mechanism; arm; 304, the second installation column; 305, the vertical rod; 306, the sliding card slot; 307, the sliding card block; 308, the first card plate; 309, the first hydraulic cylinder; 310, the second card plate; 311, the drive Motor; 312, shaft; 401, fixed cylinder; 402, drill cylinder; 403, slotted cylinder; 4011, first threaded cylinder; 4012, placement slot; 4013, clamping plate; 4014, threaded hole; 4015, threaded rod; 4016, first anti-skid tooth; 4017, hollow area; 4018, elastic splint; 4021, first thread groove; 4022, second thread barrel; 4023, first drill; 4031, second thread groove; 4032, second drill Knife; 4033, V-shaped drill; 4034, the third drill; 601, fixed plate; 602, the first chute; 603, the second chute; 604, the third chute; 605, the first sliding plate; 606, The second hydraulic cylinder; 607, the first rack; 608, the first arc extrusion plate; 609, the gear column; 610, the second slide plate; 611, the second rack; 612, the first L plate; 613, the first Two arc-shaped extrusion plates; 614, the third slide plate; 615, the third rack; 616, the second L plate; 617, the third arc-shaped extrusion plate; 618, the second anti-skid tooth; 701, the support plate; 702 703, the circular placement port; 704, the U-shaped plate; 705, the electric cylinder; 706, the second pressure plate; 707, the electric control telescopic rod; 708, the controller.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts 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", "inside", "around", etc. Indicates the orientation or positional relationship, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .

A rock sampling detection device in geological drilling, as shown in FIG. 1, includes a base 1, a sampling mechanism 2 for collecting rocks is arranged on the base 1, and a side of the sampling mechanism 2 is provided for detecting the collected rocks. The detection mechanism 5, the sampling mechanism 2 includes an adjustment mechanism 3 installed on the base 1 for changing the position of the device, the adjustment mechanism 3 is provided with a drilling mechanism 4, and the detection mechanism 5 includes a fixing mechanism 6 for fixing the sample rock, The fixing mechanism 6 is provided with a testing mechanism 7 for detecting the rock pressure. The position of the device is adjusted by the adjusting mechanism 3, which is convenient for the drilling mechanism 4 to operate on different parts of the rock, and is convenient for the staff to operate and use. The rock is fixed, which is convenient for the subsequent testing mechanism 7 to carry out the pressure test on the rock.

As shown in FIG. 2 , the adjustment mechanism 3 includes a turntable 301 rotatably connected to the base 1 . The turntable 301 is rotatably connected to the base 1 to facilitate control of different directions. The turntable 301 is provided with a first mounting post 302 . There is a hydraulic telescopic arm 303 on it, the length of the hydraulic telescopic arm 303 can be adjusted according to needs, and the turntable 301 can be used to make the device sample at different positions of the rock. The column 304 is provided with a vertical rod 305, the vertical rod 305 is provided with a sliding card slot 306, and a sliding card block 307 is slidably connected in the sliding card groove 306. The top end of the clamping plate 308 is provided with a first hydraulic cylinder 309, the other end of the sliding clamping block 307 is provided with a second clamping plate 310, the second clamping plate 310 is provided with a driving motor 311, and the output end of the driving motor 311 is connected with the rotating shaft 312. The drilling mechanism 4 is connected, and the sliding block 307 is operated by the first hydraulic cylinder 309 to slide in the sliding clamping slot 306 , so as to control the drilling mechanism 4 to perform the drilling operation.

As shown in FIG. 3-FIG. 6, the drilling mechanism 4 includes a fixing cylinder 401 connected with the adjusting mechanism 3. A drilling cylinder 402 is threadedly connected to the lower part of the fixing cylinder 401, and a slotted cylinder 403 is threadedly connected to the lower part of the drilling cylinder 402. The diameters of the barrel 401, the drill barrel 402 and the slotted barrel 403 are all the same, which facilitates the connection and cooperation in the later stage and improves the applicability. Two threaded holes 4014 are symmetrically arranged on the outer wall, and a placing slot 4012 is opened on the inner wall of the fixing cylinder 401. The placing slot 4012 is symmetrically provided with two semicircular clamping plates 4013. The diameter of the clamping plates 4013 is the same as that of the fixing cylinder 401. The back of the clamping plate 4013 is provided with a threaded rod 4015 that cooperates with the threaded hole 4014, the inner wall of the clamping plate 4013 is provided with a number of first anti-skid teeth 4016, and the inner top of the fixing cylinder 401 is also provided with a hollow In the area 4017, there are elastic splints 4018 around the hollow area 4017. Since the uppermost surface of the rock may be uneven, the hollow area 4017 is set to facilitate fixing. The irregular rock is fixed by the elastic splint 4018 to improve stability. Through the cooperation of the threaded rod 4015 and the threaded hole 4014, the distance between the two semicircular clamping plates 4013 is adjusted, and the rock on the inner wall of the fixing cylinder 401 is clamped and fixed by extrusion, so as to facilitate the removal of the rock. The first anti-skid teeth 4016 can further improve the clamping stability of the semicircular clamping plate 4013 . The top end of the drill barrel 402 is provided with a first threaded groove 4021 which is matched with the first threaded barrel 4011, the bottom end of the drill barrel 402 is provided with a second threaded barrel 4022 identical to the first threaded barrel 4011, and the outer wall of the drill barrel 402 is annular There are several first drill bits 4023 in the array, the top end of the slotted barrel 403 is provided with a second thread groove 4031 that cooperates with the second thread barrel 4022, and there are several second drill bits 4032 in an annular array on the outer wall of the slotted barrel 403, The bottom end of the grooved cylinder 403 is provided with a number of V-shaped drill holes 4033, and a third drill blade 4034 is provided on the V-shaped drill hole 4033. The V-shaped drill hole 4033 can crush and groove the bottom rock. The three drills 4034 make the crushing completely, and the first drill 4023 and the second drill 4032 are provided in opposite directions, which can crush the surrounding rocks and make drilling more convenient. The provided first threaded barrel 4011 is the same as the second threaded barrel 4022, and the first threaded groove 4021 and the second threaded groove 4031 cooperate to increase the adaptability between the fixed barrel 401, the drill barrel 402 and the slotted barrel 403. When the required drilling depth is small, it is only necessary to cooperate with the fixed cylinder 401 and the slotted cylinder 403 for drilling. When the drilling depth is relatively deep, the number of drilling cylinders 402 can be adjusted according to the depth to cooperate, which is convenient for transportation, And improve the applicable performance.

As shown in FIG. 7 , the fixing mechanism 6 includes a fixing plate 601 , and the fixing plate 601 includes a first chute 602 . The two ends of the first chute 602 are symmetrically provided with a second chute 603 and a third chute 604 arranged obliquely. , the first sliding slot 602 is equipped with a first sliding plate 605, one end of the first sliding plate 605 is provided with a second hydraulic cylinder 606, the other end of the first sliding plate 605 is provided with a first rack 607 with teeth on both sides, the first The end of the rack 607 is connected with a first arc-shaped pressing plate 608 , the two sides of the first rack 607 are symmetrically provided with a gear column 609 rotatably connected to the fixed plate 601 , and the gear column 609 and the first rack 607 are meshed with each other. , the second sliding slot 603 is connected with a second sliding plate 610, the end of the second sliding plate 610 is provided with a second rack 611 engaged with the gear column 609, and the end of the second rack 611 is connected with a first L plate 612 , the inner wall of the first L plate 612 is provided with a second arc-shaped extruding plate 613, the third sliding slot 604 is provided with a third sliding plate 614, and the end of the third sliding plate 614 is provided with another gear column 609. The third rack 615, the end of the third rack 615 is connected with a second L plate 616, the inner wall of the second L plate 616 is provided with a third arc-shaped pressing plate 617, the second hydraulic cylinder 606 drives the first gear The movement of the bar 607, through its cooperation with the two gear columns 609, will drive the gear column 609 to rotate, and the rotation of the gear column 609 will drive the second slide 610 to rotate through the meshing of the second rack 611 and the third rack 615. The third sliding plate 614 moves to adjust the positions of the second arc-shaped compression plate 613 and the third arc-shaped compression plate 617 to fix rock samples of different sizes, while the first arc-shaped compression plate 608 passes through the first sliding plate The movement of 605 can also adjust the position, which is fixed by three surfaces to improve the stability, and the first sliding plate 605, the second sliding plate 610 and the third sliding plate 614 are arranged up and down in sequence, so that the first arc-shaped pressing plate 608 and the second sliding plate 614 are arranged up and down. The arc-shaped extrusion plate 613 and the third arc-shaped extrusion plate 617 are in different positions up and down, which can increase the stability of the sample rock. The first arc-shaped extrusion plate 608, the second arc-shaped extrusion plate 613 and the third arc-shaped extrusion plate 613 Second anti-skid teeth 618 are provided on the inner wall of the arc-shaped pressing plate 617, which can further improve the stability.

As shown in FIG. 8 , the testing mechanism 7 includes two symmetrically arranged support plates 701 , a first pressure plate 702 is arranged between the support plates 701 , and a circular placement port 703 is provided on the first pressure plate 702 . 703 increases the stability, the top of the support plate 701 is provided with an electronically controlled telescopic rod 707, the top of the electronically controlled telescopic rod 707 is provided with a U-shaped plate 704, and the middle of the U-shaped plate 704 is provided with an electronically controlled cylinder 705. A second pressure plate 706 is arranged on the output end of the control cylinder 705, and a controller 708 is also arranged on the U-shaped plate 704. The controller 708 is connected with the first pressure plate 702, the second pressure plate 706, the electronically controlled telescopic rod 707 and the electric The control cylinder 705 is electrically connected, the test mechanism 7 can adjust the height of the sample rock through the electronically controlled telescopic rod 707, the second pressure plate 706 tests the top pressure, the first pressure plate 702 tests the bottom pressure, and transmits the structure To the controller 708, the accuracy of the stress test is improved.

When in use, the drilling mechanism 4 is adapted to adjust the fixed cylinder 401, the drilling cylinder 402 and the slotted cylinder 403 according to the required drilling depth, and then is installed on the rotating shaft 312 on the adjustment mechanism 3, and through the rotation of the rotating plate 301, And the telescopic adjustment of the hydraulic telescopic arm 303 moves the drilling mechanism 4 above the position that needs to be operated, and then the driving motor 311 drives the drilling mechanism 4 to rotate, and at the same time the first hydraulic cylinder 309 drives the entire sliding block 307 in the sliding clamping slot 306 It moves slowly inside, and drives the drilling mechanism 4 to move, so as to perform the drilling operation. After the drilling is completed, twist the threaded rod 4015 to drive the two clamping plates 4013 to move, and squeeze and fix the rock located in the fixed cylinder 401. The first hydraulic cylinder 309 is then retracted to carry the sample rock out. The sample rock taken out is put into the circular placement port 703 of the testing mechanism 7, and then the second hydraulic cylinder 606 drives the first sliding plate 605 to move, and drives the first rack 607 to move, through the first rack 607 and the two gear columns The meshing of 609 will drive the gear column 609 to rotate. Since the two gear columns 609 mesh with the second rack 611 and the third rack 615 respectively, it will drive the second sliding plate 610 to move in the second chute 603, The third sliding plate 614 moves in the third chute 604, and then drives the second arc-shaped pressing plate 613 and the third arc-shaped pressing plate 617 to move, adjust the position, and fix the rock samples of different sizes. The position of the pressing plate 608 can also be adjusted through the movement of the first sliding plate 605, and is fixed by three faces to the rock. After the fixing is completed, the controller 708 controls the electric cylinder 705 to move down, so that the second pressure plate 706 is in contact with the top of the rock. The pressure test is performed, and the pressure is transmitted to the controller 708 through the first pressure plate 702 and the second pressure plate 706 to be displayed for easy reading.

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms 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 has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention.

Claims (7)

1. A rock sampling and detecting device in geological drilling comprises a base (1), and is characterized in that a sampling mechanism (2) for collecting rocks is arranged on the base (1), and a detecting mechanism (5) for detecting the collected rocks is arranged on the side edge of the sampling mechanism (2);

sampling mechanism (2) is including installing adjustment mechanism (3) that are used for changing the device position on base (1), be equipped with on adjustment mechanism (3) and bore and get mechanism (4), detection mechanism (5) are including carrying out fixed establishment (6) to the sample rock, be equipped with on fixed establishment (6) and carry out measuring accredited testing organization (7) that detect rock pressure.

2. The sampling and detecting device for rock in geological drilling according to claim 1, characterized in that the adjusting mechanism (3) comprises a rotary table (301) rotatably connected with the base (1), the rotary table (301) is provided with a first mounting column (302), the first mounting column (302) is provided with a hydraulic telescopic arm (303), the output end of the hydraulic telescopic arm (303) is provided with a second mounting column (304), the second mounting column (304) is provided with an upright rod (305), the upright rod (305) is provided with a sliding clamping groove (306), the sliding clamping groove (306) is slidably connected with a sliding clamping block (307), one side of the sliding clamping block (307) is provided with a first clamping plate (308), the top end of the first clamping plate (308) is provided with a first hydraulic cylinder (309), and the other end of the sliding clamping block (307) is provided with a second clamping plate (310), and the second clamping plate (310) is provided with a driving motor (311), and the output end of the driving motor (311) is connected with the drilling mechanism (4) through a rotating shaft (312).

3. The sampling and testing device for rock during geological drilling according to claim 1, characterized in that said drilling mechanism (4) comprises a fixed cylinder (401) connected with the adjusting mechanism (3), a drill cylinder (402) is screwed below said fixed cylinder (401), a slotted cylinder (403) is screwed below said drill cylinder (402), and the diameters of said fixed cylinder (401), said drill cylinder (402) and said slotted cylinder (403) are the same.

4. The sampling and detecting device for the rocks in the geological drilling according to claim 3, characterized in that a first threaded barrel (4011) is arranged below the fixed barrel (401), two threaded holes (4014) are symmetrically arranged on the outer wall of the fixed barrel (401), a placing groove (4012) is arranged on the inner wall of the fixed barrel (401), two semicircular clamping plates (4013) are symmetrically arranged in the placing groove (4012), the diameter of each clamping plate (4013) is the same as that of the fixed barrel (401), a threaded rod (4015) matched with the threaded hole (4014) is arranged on the back of each clamping plate (4013), a plurality of first anti-skidding teeth (4016) are arranged on the inner wall of each clamping plate (4013), a hollow area (4017) is further arranged on the top end inside the fixed barrel (401), and elastic clamping plates (4018) are arranged on the periphery of the hollow area (4017);

the top end of the drill barrel (402) is provided with a first thread groove (4021) matched with the first thread barrel (4011), the bottom end of the drill barrel (402) is provided with a second thread barrel (4022) identical with the first thread barrel (4011), and a plurality of first drill knives (4023) are annularly arrayed on the outer wall of the drill barrel (402);

the top end of the grooving barrel (403) is provided with a second thread groove (4031) matched with the second thread barrel (4022), a plurality of second drill cutters (4032) are arranged on the outer wall of the grooving barrel (403) in an annular array mode, the bottom end of the grooving barrel (403) is provided with a plurality of V-shaped drill openings (4033), and third drill cutters (4034) are arranged on the V-shaped drill openings (4033).

5. The sampling and detecting device for rock in geological drilling according to claim 1, characterized in that the fixing mechanism (6) comprises a fixing plate (601), the fixing plate (601) comprises a first sliding chute (602), a second sliding chute (603) and a third sliding chute (604) which are obliquely arranged are symmetrically arranged at two ends of the first sliding chute (602), a first sliding plate (605) is matched on the first sliding chute (602), a second hydraulic cylinder (606) is arranged at one end of the first sliding plate (605), a first rack (607) with teeth at two ends is arranged at the other end of the first sliding plate (605), a first arc-shaped pressing plate (608) is connected at the end of the first rack (607), gear columns (609) which are rotatably connected with the fixing plate (601) are symmetrically arranged at two sides of the first rack (607), and the gear columns (609) are meshed with the first rack (607), the utility model discloses a gear column, including second spout (603), second spout (603) in-connection has second slide (610), be equipped with second rack (611) with gear column (609) meshing on the end of second slide (610), be connected with first L board (612) on the end of second rack (611), be equipped with second arc stripper plate (613) on the inner wall of first L board (612), be equipped with third slide (614) in third spout (604), be equipped with third rack (615) with another gear column (609) complex on the end of third slide (614), be connected with second L board (616) on the end of third rack (615), be equipped with third arc stripper plate (617) on the inner wall of second L board (616).

6. The sampling and testing device for rock during geological drilling according to claim 5, characterized in that the inner walls of the first curved squeezing plate (608), the second curved squeezing plate (613) and the third curved squeezing plate (617) are provided with second anti-slip teeth (618).

7. The sampling and testing device for rock during geological drilling according to claim 1, the testing mechanism (7) comprises two symmetrically arranged supporting plates (701), a first pressure plate (702) is arranged between the supporting plates (701), a round placing opening (703) is arranged on the first pressure plate (702), an electric control telescopic rod (707) is arranged on the top end of the supporting plate (701), a U-shaped plate (704) is arranged at the top end of the electric control telescopic rod (707), an electric control cylinder (705) is arranged in the middle of the U-shaped plate (704), a second pressure plate (706) is arranged on the output end of the electric control cylinder (705), the U-shaped plate (704) is further provided with a controller (708), and the controller (708) is electrically connected with the first pressure plate (702), the second pressure plate (706), the electric control telescopic rod (707) and the electric control cylinder (705).

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