CN220542490U - Geological exploration sampling device - Google Patents

Abstract

The utility model discloses a geological exploration sampling device, which comprises a U-shaped supporting plate, wherein a circular seat is arranged in the U-shaped supporting plate, two fixing components are fixedly connected to two sides of the U-shaped supporting plate, the U-shaped supporting plate and the fixing components are matched, the whole device can be supported and fixed, a first electric telescopic rod is embedded and fixed on the inner wall of the top of the U-shaped supporting plate, the bottom end of an output shaft of the first electric telescopic rod is fixedly connected with a driving motor, and the bottom end of the output shaft of the driving motor is fixedly connected with the top of the circular seat. According to the utility model, through a series of structural arrangement, a plurality of sampling pipes can be driven to move downwards to perform stratified sampling operation on soil with different depths, one sampling pipe does not need to be moved out for resampling after sampling, the sampling efficiency is improved, the sampling pipes can be plugged after sampling, the risk of soil falling in the process of moving the sampling pipes upwards is effectively reduced, and the sampling stability is improved.

Description

Geological exploration sampling device

Technical Field

The utility model relates to the technical field of geological exploration sampling equipment, in particular to a geological exploration sampling device.

Background

The geological exploration is to survey and detect geology through various means and methods, a proper bearing layer is determined, a foundation type is determined according to the foundation bearing capacity of the bearing layer, investigation and research activities of basic parameters are calculated, soil sampling is often required to be researched in the geological exploration of black soil, the existing geological exploration sampling device has poor earth drilling effect and lower sampling efficiency, and the soil is easy to fall off when the existing sampling device brings out sampled soil, so that sampling failure is caused, and in order to solve the problem, the application number is: 202123194140.1A geological exploration sampling device comprises a fixed frame, wherein a lifting mechanism is arranged in the fixed frame and comprises a threaded rod, a moving plate, a motor, a large bevel gear, a first synchronous wheel, a second synchronous wheel and a synchronous belt, two groups of threaded rods are fixedly arranged at the top end inside the fixed frame, the two groups of threaded rods are sleeved on the outer side of the threaded rod, the moving plate is internally provided with the motor, and the output end of the motor is connected with the large bevel gear; the device drives the first bevel gear and the second bevel gear to rotate through the large bevel gear, the first bevel gear rotates to drive the synchronous belt to rotate through the first synchronous wheel, the synchronous belt drives the two groups of second synchronous wheels to rotate, the moving plate drives the two groups of arc plates to descend, and meanwhile, the second bevel gear drives the two groups of arc plates to rotate, so that the two groups of arc plates synchronously rotate in the descending process, the earth drilling effect is good, and the earth drilling efficiency is improved;

in the above patent, the soil is sampled by driving the two arc plates to move downwards and matching with the clamping force, but in the mode of clamping and sampling, the bottom of the loose soil is lack of shielding, and the risk of falling of the soil still exists in the process of clamping and moving upwards; in addition, only soil with a single depth can be sampled by single downward movement, soil with different depths cannot be sampled in a layering manner, and the patent is redesigned by combining the conditions, so that a geological exploration sampling device is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a geological exploration sampling device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a geological prospecting sampling device, includes the U-shaped backup pad, be equipped with circular seat in the U-shaped backup pad, the equal fixedly connected with of both sides of U-shaped backup pad is two fixed subassemblies, cooperatees through U-shaped backup pad and fixed subassembly, can realize the support fixed to whole device, inlay on the top inner wall of U-shaped backup pad and be equipped with first electric telescopic handle, the output shaft bottom fixedly connected with driving motor of first electric telescopic handle, driving motor's output shaft bottom and circular seat's top fixed connection, first electric telescopic handle is used for driving motor vertical movement, thereby driving circular seat vertical movement, driving motor is used for driving circular seat rotation, circular seat's bottom is the annular storage tank of seting up a plurality of cylindrical structures, the movable sleeve is equipped with the sampling tube that the top is the enclosed construction in the storage tank, the storage tank is used for accomodating the sampling tube, the second electric telescopic rod with an output shaft fixedly connected with the top of the sampling tube is embedded and fixed on the inner wall of the top of the storage groove, the second electric telescopic rod is used for driving the corresponding sampling tube to vertically move, the same plugging mechanism is installed between the inner walls of the two sides of the sampling tube, the plugging mechanism is used for plugging the bottom end of the sampling tube, the top of the plugging mechanism is fixedly connected with a vertical driving mechanism, the vertical driving mechanism is used for driving the corresponding plugging mechanism to rotate, the top of the vertical driving mechanism extends to the upper part of the sampling tube and is embedded and fixed at the top of the sampling tube, the bottom of the sampling tube is provided with a plurality of first sharp blocks in an annular shape, the first sharp blocks are used for assisting the downward insertion of the sampling tube into soil, the bottom of the circular seat is fixedly connected with a circular ring, the bottom of the circular ring is provided with a plurality of second sharp blocks in an annular shape, the second sharp blocks are arranged for assisting the circular seat to be inserted into the soil, the wireless remote control switch is fixedly connected to the inner wall of the top of the storage groove at the leftmost side and is electrically connected with a plurality of second electric telescopic rods and a vertical driving mechanism, an external remote controller is arranged in a matched mode by the wireless remote control switch, and the wireless remote control switch is matched with the external remote controller, so that the remote control effect can be achieved.

Preferably, the fixed subassembly includes the fixing base with U-shaped backup pad fixed mounting, and the stock hole has been seted up at the top of fixing base, and the downthehole thread bush of stock is equipped with T shape stock, cooperatees through fixing base and T shape stock, can realize the fixed to whole device.

Preferably, the plugging mechanism comprises two plugging plates which are obliquely and symmetrically arranged, two plugging plates positioned in the same sampling tube are in movable contact with the bottom of one side, which is close to each other, of the two plugging plates, the inner walls of the two sides of the sampling tube are provided with first grooves, a rotating shaft is rotatably arranged between the inner walls of the front sides and the rear sides of the first grooves, round shafts are fixedly sleeved on the rotating shaft, one sides, which are close to each other, of the two round shafts, are fixedly connected with one side, which is far away from each other, of the two plugging plates, which are opposite to each other, of the two round shafts, the rotating shaft is fixedly sleeved with gears positioned on the front sides of the corresponding round shafts, and one sides, which are far away from each other, of the two gears positioned in the same sampling tube are meshed with racks, the racks are matched with the gears, so that the corresponding round shafts are driven to rotate, and the corresponding sampling tubes can be plugged through the plugging plates.

Preferably, the vertical driving mechanism comprises two moving rods, the bottom ends of the moving rods are fixedly connected with the top ends of the corresponding racks, the top ends of the moving rods slidingly extend to the upper parts of the corresponding sampling pipes, U-shaped rods are arranged above the sampling pipes, the top ends of the moving rods are fixedly connected with the bottoms of the corresponding U-shaped rods, the top ends of the sampling pipes are fixedly embedded with third electric telescopic rods, the third electric telescopic rods are electrically connected with wireless remote control switches, the top ends of output shafts of the third electric telescopic rods are fixedly connected with the bottoms of the corresponding U-shaped rods, the third electric telescopic rods are used for driving the corresponding U-shaped rods to vertically move, and the U-shaped rods are sleeved on output shafts of the corresponding second electric telescopic rods.

Preferably, the elastic shielding rubber sheets arranged symmetrically are adhered and fixed on the inner walls of the two sides of the sampling tube, one side, close to each other, of the two elastic shielding rubber sheets positioned on the same side is adhered and fixed with the top and the bottom of the corresponding plugging plate, the front side and the rear side of the elastic shielding rubber sheets are respectively in movable contact with the inner walls of the front side and the inner walls of the rear side of the corresponding sampling tube, the elastic shielding rubber sheets are arranged and used for shielding the corresponding first groove, and the condition that soil enters the first groove can be effectively reduced.

Preferably, one side, close to each other, of the two plugging plates in the same sampling tube is provided with an inclined surface, and the front side and the rear side of the plugging plates are respectively in movable contact with the front side inner wall and the rear side inner wall of the corresponding sampling tube.

Preferably, the top of U-shaped backup pad inlays and is fixed with first battery, first battery and first electric telescopic handle and driving motor electric connection, and first battery is supplied power for first electric telescopic handle and driving motor.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the fixing component, the whole device can be fixed before sampling, so that the sampling stability is improved;

2. the first electric telescopic rod, the driving motor, the circular seat and the second electric telescopic rod are matched, so that the plurality of sampling pipes can be driven to move downwards to perform soil sampling operation, and the soil with different depths can be subjected to layered sampling by single downward movement by matching with the arrangement of the plurality of sampling pipes, so that the soil with different depths does not need to be removed for resampling after one sampling, and the sampling efficiency is improved;

3. the plugging mechanism is matched with the vertical driving mechanism, so that the sampling tube can be plugged after sampling, the risk of soil falling in the process of upwards moving the sampling tube can be effectively reduced, and the sampling stability is improved;

according to the utility model, through a series of structural arrangement, a plurality of sampling pipes can be driven to move downwards to perform stratified sampling operation on soil with different depths, one sampling pipe does not need to be moved out for resampling after sampling, the sampling efficiency is improved, the sampling pipes can be plugged after sampling, the risk of soil falling in the process of moving the sampling pipes upwards is effectively reduced, and the sampling stability is improved.

Drawings

FIG. 1 is a schematic diagram of a geological exploration sampling device according to the present utility model;

FIG. 2 is a schematic diagram of a schematic cross-sectional front view of a geological exploration sampling device according to the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure: 100. a U-shaped support plate; 101. a first electric telescopic rod; 1. a driving motor; 2. a circular seat; 3. a storage groove; 4. a circular ring; 5. a sampling tube; 6. a first groove; 7. a moving rod; 8. a U-shaped rod; 9. a third electric telescopic rod; 10. a plugging plate; 11. a rotating shaft; 12. a gear; 13. a rack; 14. elastic shielding rubber; 15. a circular shaft; 16. a wireless remote control switch; 17. and a second electric telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.

Referring to fig. 1-3, a geological exploration sampling device comprises a U-shaped supporting plate 100, wherein a circular seat 2 is arranged in the U-shaped supporting plate 100, two fixing components are fixedly connected to two sides of the U-shaped supporting plate 100, each fixing component comprises a fixing seat fixedly installed with the U-shaped supporting plate 100, an anchor rod hole is formed in the top of each fixing seat, a T-shaped anchor rod is sleeved in each anchor rod hole in a threaded manner, and the fixing of the whole device can be achieved through the matching of the fixing seats and the T-shaped anchor rods;

the top inner wall of the U-shaped supporting plate 100 is embedded and fixed with a first electric telescopic rod 101, wherein a first embedded hole for fixedly installing the first electric telescopic rod 101 is formed in the top inner wall of the U-shaped supporting plate 100, the bottom end of an output shaft of the first electric telescopic rod 101 is fixedly connected with a driving motor 1, the bottom end of the output shaft of the driving motor 1 is fixedly connected with the top of a round seat 2, the first electric telescopic rod 101 is used for driving the driving motor 1 to vertically move, so that the round seat 2 is driven to vertically move, the driving motor 1 is used for driving the round seat 2 to rotate, the top of the U-shaped supporting plate 100 is embedded and fixed with a first storage battery, the top inner wall of the U-shaped supporting plate 100 is provided with a second embedded hole for fixedly installing the first storage battery, the first storage battery is electrically connected with the first electric telescopic rod 101 and the driving motor 1, and the first storage battery supplies power for the first electric telescopic rod 101 and the driving motor 1;

the bottom of the circular seat 2 is provided with a plurality of containing grooves 3 with cylindrical structures in an annular shape, the inside of the containing grooves 3 is movably sleeved with sampling pipes 5 with closed structures at the top ends, the containing grooves 3 are used for containing the sampling pipes 5, the inner wall of the top of each containing groove 3 is embedded and fixed with a second electric telescopic rod 17 with an output shaft fixedly connected with the top of the sampling pipe 5, the inner wall of the top of each containing groove 3 is provided with a third embedded hole for fixedly installing the second electric telescopic rod 17, the second electric telescopic rod 17 is used for driving the corresponding sampling pipe 5 to vertically move, the same plugging mechanism is arranged between the inner walls of the two sides of the sampling pipe 5, the plugging mechanism comprises two plugging plates 10 which are obliquely and symmetrically arranged, the bottoms of one sides of the two plugging plates 10 positioned in the same sampling pipe 5 are in movable contact with each other, two plugging plates 10 positioned in the same sampling tube 5 are respectively provided with inclined surfaces on one side close to each other, the front side and the rear side of each plugging plate 10 are respectively in movable contact with the front side inner wall and the rear side inner wall of the corresponding sampling tube 5, the inner walls on two sides of each sampling tube 5 are respectively provided with a first groove 6, a rotating shaft 11 is rotatably arranged between the front side inner wall and the rear side of each first groove 6, bearings are fixedly connected on the front side inner wall and the rear side inner wall of each first groove 6, the inner side of an inner ring of each bearing is fixedly connected with the outer side of the corresponding rotating shaft 11, the bearings play a role in rotatably mounting the corresponding rotating shaft 11, round shafts 15 are fixedly sleeved on the rotating shaft 11, one sides, close to each other, of the left and right opposite round shafts 15 are respectively fixedly connected with one sides, far away from each other, of the two plugging plates 10, which are symmetrically arranged, of the inner walls on two sides of each sampling tube 5 are fixedly adhered with two elastic shielding rubber 14, the two elastic shielding rubber 14 positioned on the same side are respectively adhered and fixed with the top and the bottom of the corresponding plugging plate 10 at the side close to each other, the front side and the rear side of the elastic shielding rubber 14 are respectively in movable contact with the front side inner wall and the rear side inner wall of the corresponding sampling tube 5, the elastic shielding rubber 14 is used for shielding the corresponding first groove 6, the condition that soil enters the first groove 6 can be effectively reduced, the gear 12 positioned on the front side of the corresponding circular shaft 15 is fixedly sleeved on the rotating shaft 11, racks 13 are meshed with one side, away from each other, of the two gears 12 positioned in the same sampling tube 5, and the racks 13 are matched with the gears 12 and are used for driving the corresponding circular shaft 15 to rotate, so that the plugging plate 10 can be driven to rotate, and the corresponding sampling tube 5 is plugged through the plugging plate 10;

the top ends of two racks 13 positioned in the same sampling tube 5 are fixedly connected with the same vertical driving mechanism, the top of the vertical driving mechanism extends to the upper side of the sampling tube 5 and is embedded and fixed at the top of the sampling tube 5, wherein the vertical driving mechanism comprises two moving rods 7, the bottom ends of the moving rods 7 are fixedly connected with the top ends of the corresponding racks 13, the top ends of the moving rods 7 slidingly extend to the upper side of the corresponding sampling tube 5, rectangular through holes for the moving rods 7 to vertically pass through are formed in the inner wall of the top of the first groove 6, a U-shaped rod 8 is arranged above the sampling tube 5, the top ends of the moving rods 7 are fixedly connected with the bottoms of the corresponding U-shaped rods 8, a third electric telescopic rod 9 is embedded and fixed at the top end of the sampling tube 5, the top end of the first electric telescopic rod 9 is fixedly connected with the bottom of the corresponding U-shaped rod 8, the third electric telescopic rod 9 is used for driving the corresponding U-shaped rod 8 to vertically move, the U-shaped rod 8 is sleeved on the output shaft of the corresponding second electric rod 17, the second electric telescopic rod 17 is fixedly connected with a plurality of storage batteries, and a plurality of second electric telescopic rods 17 are embedded and a plurality of electric telescopic seats are fixedly connected with the second electric storage batteries 17;

the bottom of sampling tube 5 is annular fixedly connected with a plurality of first sharp pieces, first sharp piece is used for assisting in the sampling tube 5 to insert in the soil, the bottom fixedly connected with ring 4 of circular seat 2, the bottom of ring 4 is annular fixedly connected with a plurality of second sharp pieces, the setting of second sharp piece, be used for assisting in circular seat 2 insert in the soil, be located on the left side take in groove 3 top inner wall and fixedly connected with wireless remote control switch 16, wireless remote control switch 16 and a plurality of second electric telescopic handle 17 and the 9 electric connection of third electric telescopic handle, wireless remote control switch 16 matches and is provided with the outside remote controller, wireless remote control switch 16 and outside remote controller cooperate, can realize remote control's effect, the utility model can drive a plurality of sampling tubes 5 to move down and carry out layered sampling operation to the soil of different degree of depth through the setting of a series of structures, do not need to shift out the resampling after the sample, improve sampling efficiency, and can carry out shutoff to sampling 5 after the sample, the in-process soil dropping of sampling tube of sample tube of the sample 5 of effective reduction, improve the sampling stability.

Working principle: when the device is used, the whole device is moved to a position where sampling is needed, the whole device is fixed at the position by matching four T-shaped anchor rods with anchor rod holes on a fixed seat, when soil with one depth is sampled, a first electric telescopic rod 101 and a driving motor 1 are started positively, the first electric telescopic rod 101 drives a circular seat 2 to move downwards through the driving motor 1, the circular seat 2 drives a plurality of sampling pipes 5 to move downwards, the circular seat 2 drives a plurality of second sharp blocks to move downwards through a circular ring 4, an output shaft of the driving motor 1 drives the circular seat 2 to rotate, the circular seat 2 drives the plurality of second sharp blocks to rotate through the circular ring 4, so that the plurality of second sharp blocks are screwed into soil in a rotating way while moving downwards, and when the soil is moved downwards to the needed depth, the first electric telescopic rod 101 and the driving motor 1 are stopped;

then the wireless remote control switch 16 is controlled by an external remote controller to control one of the third electric telescopic rods 9 to be opened positively, the output shaft of the third electric telescopic rod 9 drives the corresponding U-shaped rod 8 to move upwards, the U-shaped rod 8 drives the corresponding two moving rods 7 to move upwards, the moving rods 7 drive the corresponding racks 13 to move upwards, the racks 13 drive the corresponding gears 12 to rotate, the gears 12 drive the blocking plate 10 to rotate sequentially through the corresponding rotating shaft 11 and the circular shaft 15, the blocking plate 10 rotates and stretches the elastic blocking rubber 14 above and compresses the elastic blocking rubber 14 below, the two blocking plates 10 positioned in the same sampling tube 5 rotate in the directions away from each other to release the blocking of the sampling tube 5, then the wireless remote control switch 16 controls the corresponding second electric telescopic rod 17 to be started positively, the output shaft of the second electric telescopic rod 17 drives the corresponding sampling tube 5 to move downwards, the sampling tube 5 drives a plurality of first sharp blocks to be inserted into soil downwards, the soil is extruded into the sampling tube 5 while the sampling tube 5 moves downwards, when the sampling tube 5 moves downwards to a certain depth, the third electric telescopic rod 9 is started in a reverse direction, the same principle of movement as that of the third electric telescopic rod 9 is started in a forward direction, two plugging plates 10 positioned in the same sampling tube 5 are converted to move towards the directions approaching to each other to plug the bottom end of the sampling tube 5, then the second electric telescopic rod 17 is started in a reverse direction, the sampling tube 5 is retracted upwards into the corresponding containing groove 3, the soil sampling operation of one depth can be completed, the risk of falling of the soil in the upward moving process can be effectively avoided by driving the two plugging plates 10 to plug the sampling tube 5 after sampling, the sampling stability is improved;

when soil of next degree of depth needs to take a sample, then forward start first electric telescopic handle 101 and driving motor 1 again for circular seat 2 drives a plurality of sampling tubes 5 and continues to move down, when moving to certain degree of depth down, can control in proper order another third electric telescopic handle 9 and corresponding second electric telescopic handle 17 open and continue the sample operation, through the mode that sets up the sampling of a plurality of sampling tubes 5, can realize that single move down carries out the layering sample to soil of different degree of depth, need not shift out the resampling to a sampling back, improves sampling efficiency.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a geological prospecting sampling device, including U-shaped backup pad (100), be equipped with circular seat (2) in U-shaped backup pad (100), two fixed subassemblies of equal fixedly connected with in both sides of U-shaped backup pad (100), a serial communication port, inlay and be fixed with first electric telescopic handle (101) on the top inner wall of U-shaped backup pad (100), the output shaft bottom fixedly connected with driving motor (1) of first electric telescopic handle (101), the output shaft bottom of driving motor (1) and the top fixed connection of circular seat (2), the bottom of circular seat (2) is circular and has seted up a plurality of cylindrical structure's storage tank (3), the movable sleeve is equipped with sampling tube (5) that the top is enclosed construction in storage tank (3), inlay and be fixed with output shaft and sampling tube (5) top fixed connection's second electric telescopic handle (17) on the top inner wall of storage tank (3), install same mechanism between the both sides inner wall of shutoff mechanism, the top fixed connection of vertical driving mechanism has vertical driving mechanism, the top of vertical driving mechanism extends to the top of sampling tube (5) and inlays the top of sampling tube and is fixed at the top of a plurality of circular blocks (5), the bottom of circular connection of a plurality of tip fixed blocks (4) are connected with circular bottom (4) in a plurality of fixed connection of tip fixed blocks, the inner wall of the top of the storage groove (3) at the leftmost side is fixedly connected with a wireless remote control switch (16), the wireless remote control switch (16) is electrically connected with a plurality of second electric telescopic rods (17) and a vertical driving mechanism, and the wireless remote control switch (16) is matched with an external remote controller.

2. A geological exploration sampling device according to claim 1, characterized in that the fixing assembly comprises a fixing seat fixedly mounted with the U-shaped supporting plate (100), an anchor rod hole is formed in the top of the fixing seat, and a T-shaped anchor rod is sleeved in the anchor rod hole in a threaded manner.

3. The geological exploration sampling device according to claim 1, wherein the plugging mechanism comprises two plugging plates (10) which are obliquely and symmetrically arranged, one side bottom of each two plugging plates (10) which are positioned in the same sampling tube (5) is in movable contact, the inner walls of two sides of each sampling tube (5) are provided with first grooves (6), a rotating shaft (11) is rotatably arranged between the inner walls of the front side of each first groove (6) and the rear side of each sampling tube, a circular shaft (15) is fixedly sleeved on each rotating shaft (11), one side, which is close to each other, of each circular shaft (15) is fixedly connected with one side, which is far away from each other, of each plugging plate (10), which is opposite to each other, of each circular shaft (15), a gear (12) which is positioned on the front side of each circular shaft (15) is corresponding is fixedly sleeved on each rotating shaft (11), and racks (13) are meshed on one side, which is far away from each other, of each gear (12) which is positioned in the same sampling tube (5).

4. A geological exploration sampling device according to claim 3, characterized in that the vertical driving mechanism comprises two movable rods (7), the bottom of each movable rod (7) is fixedly connected with the top end of a corresponding rack (13), the top end of each movable rod (7) is slidably extended to the upper portion of a corresponding sampling tube (5), a U-shaped rod (8) is arranged above each sampling tube (5), the top end of each movable rod (7) is fixedly connected with the bottom of the corresponding U-shaped rod (8), a third electric telescopic rod (9) is fixedly embedded in the top end of each sampling tube (5), the third electric telescopic rod (9) is electrically connected with a wireless remote control switch (16), the top end of an output shaft of each third electric telescopic rod (9) is fixedly connected with the bottom of the corresponding U-shaped rod (8), and the U-shaped rod (8) is sleeved on the output shaft of the corresponding second electric telescopic rod (17).

5. A geological exploration sampling device according to claim 3, characterized in that two elastic shielding rubber sheets (14) which are symmetrically arranged are adhered and fixed on the inner walls of the two sides of the sampling tube (5), one sides of the two elastic shielding rubber sheets (14) which are positioned on the same side are adhered and fixed with the top and the bottom of the corresponding plugging plate (10) respectively, and the front side and the rear side of the elastic shielding rubber sheets (14) are in movable contact with the inner walls of the front side and the inner walls of the rear side of the corresponding sampling tube (5) respectively.

6. A geological exploration sampling device according to claim 3, characterized in that the sides of two plugging plates (10) positioned in the same sampling tube (5) close to each other are respectively provided with inclined surfaces, and the front side and the rear side of the plugging plates (10) are respectively in movable contact with the front side inner wall and the rear side inner wall of the corresponding sampling tube (5).

7. The geological exploration sampling device according to claim 1, wherein a first storage battery is embedded and fixed at the top of the U-shaped supporting plate (100), and the first storage battery is electrically connected with the first electric telescopic rod (101) and the driving motor (1).