CN114279746B - A portable sampling device for geological layering for geological prospecting - Google Patents

Abstract

The invention discloses a geological layering portable sampling instrument for geological prospecting, which belongs to the technical field of geological sampling, and comprises a lifting plate and a main body support, wherein a driving motor is fixedly arranged at the top of the lifting plate, the lifting plate is slidably arranged outside the main body support, a pushing cylinder is fixedly arranged at the top of the main body support, and a drill rod is fixedly arranged at one end of an output shaft of the driving motor; according to the invention, the pressure-bearing component and the automatic sample blocking component are arranged inside, so that the design is reasonable, the structure is ingenious, a sample enters the sampling groove through a simple sampling process, automatic closing of the sampling groove can be realized after a certain amount of sample is reached, the problem that the drill rod collides with geological layers of other depths in the process of recovering the drill rod after sampling, so that the geological samples of other depths are mixed into the sampling groove after sampling is solved, and therefore, the sampling effect and the sampling precision are effectively ensured, and the accuracy of subsequent sample research is ensured.

Description

A portable sampling device for geological layering for geological prospecting

technical field

The invention relates to the technical field of geological sampling, in particular to a portable geological stratification sampling device for geological prospecting.

Background technique

Minerals are natural resources, usually buried in the ground, and are generally natural mineral or rock resources available for human use. Mineral resources are non-renewable resources, and the mining of minerals needs to be restrained. Before mining, geological Prospecting for ore requires the use of sampling equipment.

Patents for inventions in the technical field of geological sampling are disclosed in the prior art, wherein the patent for invention with the application number CN108680382A discloses an electric rotary sampler for geological exploration for mining, including a hand-held rod, a motor, a pedal and a handle; One end of the hand-held rod is fixedly welded with a drive cylinder, and the other side of the drive cylinder is fixedly welded with a fixed inner cylinder; There is a baffle plate with the same cross section; a pull rod with a length greater than the length of the fixed inner cylinder is fixedly welded on the baffle plate, and a vertical positioning measuring mechanism is also arranged on the handle bar. The present invention makes it more convenient to feed and take out the sampler downward through the rotating sleeve, saves time and effort, and reduces the labor intensity of the operator; before sampling, the inclination angle of the sampler can be accurately measured by the vertical positioning measurement mechanism, It is convenient to adjust the vertical position of the sampler, so that the distribution of the sampled soil is more accurate, and it is convenient to analyze the soil accurately.

In the prior art, in many geological sampling structures, in order to carry out geological sampling at different depths, sampling ports at different positions are generally set outside the sampling structure for sampling. Although samples at different positions can be obtained, due to operational problems, the displacement of the drill pipe During the process, the contact between some geological materials and the structure will also cause samples from other positions to be mixed into the sampling port, resulting in a decrease in sampling accuracy and poor sampling results.

Based on this, the present invention designs a portable sampling device for geological layering for geological prospecting to solve the above problems.

Contents of the invention

The object of the present invention is to provide a kind of geological layering portable sampling instrument for geological prospecting, to solve the prior art proposed in the above-mentioned background technology, many geological sampling structures, in order to carry out geological sampling of different depths, generally all can be in the sampling structure Sampling ports at different positions are set externally for sampling. Although samples at different positions can be obtained, due to operational problems, during the displacement of the drill pipe, some geological materials and structures will also be mixed into the sampling port due to the contact of some geological materials and structures. , resulting in a decrease in sampling accuracy and a poor sampling effect.

In order to achieve the above object, the present invention provides the following technical solutions: a portable sampling device for geological layering for geological prospecting, including a lifting plate and a main body bracket, a drive motor is fixedly installed on the top of the lifting plate, and the lifting plate is slidably installed On the outside of the main body support, the top of the main body support is fixedly equipped with a push cylinder, and one end of the output shaft of the drive motor is fixedly equipped with a drill rod, and a scale mark is arranged on the outer surface of the drill rod. The bottom end is fixedly equipped with a drill bit, the inside of the drill rod is provided with an adjustment inner tank and a sampling tank, the inside of the sampling tank is provided with a storage bottom tank and an internal passage tank, and a bearing is installed in the bottom storage tank. The pressure component is used for the stable bearing of the sampling material, and one side of the pressure-bearing component is provided with an automatic sample stop component, which is used for the stable limit of the pressure-bearing component;

The pressure-bearing assembly includes a longitudinal sliding shaft, a pressure-bearing spring is provided outside the longitudinal sliding shaft, a bottom rack is slidably installed on the outside of the longitudinal sliding shaft, and a pressure-bearing plate is fixedly installed on the top of the bottom rack , the pressure bearing plate is located in the bottom tank of the sample storage.

As a further solution of the present invention, the automatic sample blocking assembly includes a sample blocking plate and a transverse sliding shaft, the horizontal sliding shaft is fixedly installed in the shell cavity of the drill pipe, and the outside of the horizontal sliding shaft is slidably installed with a locking rack .

As a further solution of the present invention, the sample retaining plate is slidably installed inside the drill pipe, and the bottom of the sample retaining plate is fixedly equipped with an upper spring, and the bottom end of the upper spring is fixedly connected with the inner wall of the bottom tank for storing samples. One end of the clamping rack is inserted into the clamping hole provided on the side wall of the retaining sample plate, and the inside of the bottom tank of the sample storage is installed with a transmission gear roller through the rotation of the rotating shaft, and the transmission gear roller is connected with the clamping rack respectively. and the bottom rack are engaged with each other.

As a further solution of the present invention, a water spray assembly is provided inside the lifting plate for stable storage and release of water bodies. A water pipe, the bottom of the water storage tank is provided with a bottom plate.

As a further solution of the present invention, a longitudinal partition is fixedly installed vertically on the top surface of the bottom plate, a piston rod is slidably installed inside the bottom plate, and a return spring is arranged outside the piston rod.

As a further solution of the present invention, the bottom of the piston rod is fixedly equipped with a pressure water plate, and the top end of the piston rod is fixedly installed with a water pushing piston, and the water pushing piston is slidably connected with the longitudinal partition and the side wall of the water storage tank .

As a further solution of the present invention, the cylinder shaft provided at one end of the output shaft of the push cylinder is fixedly connected to the top surface of the lifting plate, and the side wall of the main body bracket is provided with a hydraulic component for intermittent pressure of the water spray component. water.

As a further solution of the present invention, the hydraulic assembly includes an installation shaft and an installation piece, the installation piece is fixedly mounted on the side wall of the main body bracket, one side of the installation piece is rotatably installed with an installation shaft, and the installation shaft The external fixed installation has extrusion plate and torsion spring.

As a further solution of the present invention, one end of the torsion spring is fixedly connected to the side wall of the mounting piece, and one end of the pressing plate is located directly below the water pressure plate.

As a further solution of the present invention, an adjustment assembly is provided inside the adjustment inner tank for quick opening and closing of the sampling tank. The adjustment assembly includes a stop bar, and a square slot is arranged inside the stop bar. The top of the bar is fixedly equipped with an adjustment pull ring.

Compared with prior art, the beneficial effect of the present invention is:

1. In the present invention, the drill pipe is provided with adjustable inner grooves of different depths, and at the same time, the pressure-bearing component and the automatic sample stop component are arranged in the adjusted inner groove. When performing geological sampling, the drive motor is turned on according to the sampling depth. , the drive motor can drive the drill pipe to rotate. At this time, the push cylinder is turned on, and the lifting plate is gradually lowered. The drill bit punches the ground and goes deeper gradually. The drilling depth is controlled according to the scale. When the specified depth is reached, the push cylinder is turned off and the push is stopped. , Geological samples can be sent into different sampling tanks. At this time, the pressure-bearing component carries the sample material and is under pressure. When the sample material reaches a certain amount, the pressure-bearing plate moves down gradually, and at the same time drives the bottom rack down synchronously. The bottom rack can drive the transmission toothed roller to rotate, and the transmission toothed roller can drive the clamping rack of the automatic sample block assembly to move to one side until one end of the clamping rack is out of the clamping hole on the side of the sample block, and the upper spring can Quickly pop out the sample blocking plate to automatically close the sampling tank. The design is reasonable and the structure is ingenious. Through a simple sampling process, the sample enters the sampling tank. After reaching a certain amount, the automatic closing of the sampling tank can be realized, which can effectively solve the problem of after sampling. During the re-recovery process of the drill pipe, the drill pipe collides with geological formations at other depths, causing geological samples at other depths to be mixed into the sampling tank that has been sampled, thus effectively ensuring the sampling effect and sampling accuracy. Ensure the accuracy of subsequent sample research.

2. In the present invention, the adjustment assembly is arranged inside, and the position of the adjustment assembly can be adjusted by pulling the adjustment assembly before geological sampling. Since the adjustment assembly is designed in a form in which the groove body and the solid area are interlaced, the drill pipe drills During the period of entering the geological layer, adjust the position of the adjusting component to initially close the sampling groove. After the drill pipe drills into the specified depth, continue to adjust the adjusting component so that the square groove and the sampling groove correspond to each other, open the sampling groove, and then perform sampling. The design can effectively solve the problem that samples of various depths are mixed into the sampling tank after the drill pipe is drilled into the geological layer, ensuring the accuracy of subsequent sampling. It is time-saving, labor-saving and easy to operate. At the same time, when the drill pipe is taken out, the adjustment component can be adjusted again to reclose the sampling slot, and it works together with the automatic sample stop component to further improve the sampling accuracy and avoid some errors in the adjustment component when the drill pipe is taken out. displacement, resulting in sampling error.

3. In the present invention, the water spray assembly is provided on the lifting plate and the hydraulic assembly is provided on the side of the main body bracket. During the sampling process, when the lifting plate is lowered, the water spray assembly can be driven down synchronously. During the descending process of the water spray assembly, it can touch the hydraulic assembly. During the contact process, the water pressure plate of the water spray assembly will contact with the extrusion plate, which will squeeze the water pressure plate, and the water pressure plate will Displacement, which can push the water piston to move, and spray the water in the water spray assembly through the water spray pipe. The sprayed water can be on the drill pipe to cool down the working drill pipe. When the water spray assembly continues to move downward , after the extrusion plate is deflected at a certain angle, it will be out of contact with it, and the pressure water plate can be reset under the action of the return spring for the next water pressure. The unique hydraulic components will realize a water spray every time the drill pipe completes a set of feed. The design is ingenious and abandons the traditional electronically controlled water spray design. This structure can not only realize the linkage water spray effect, In addition, the water spraying can be carried out in a fixed-point balance, which can ensure the cooling effect of the drill pipe without causing waste of water resources, thereby improving the use effect of the device.

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a schematic diagram of an explosion three-dimensional structure in the present invention;

Fig. 3 is a schematic diagram of an enlarged explosion three-dimensional structure of a water spray assembly in the present invention;

Fig. 4 is a schematic diagram of an enlarged exploded three-dimensional structure of a medium-pressure liquid assembly of the present invention;

5 is a schematic diagram of an enlarged explosion three-dimensional structure of the drill pipe and the adjustment assembly in the present invention;

Fig. 6 is the schematic diagram of the enlarged structure of A place in the present invention;

Fig. 7 is a schematic diagram of an enlarged three-dimensional structure of a combination of a pressure-bearing component and an automatic sample-blocking component in the present invention;

Fig. 8 is a schematic diagram of an enlarged exploded three-dimensional structure of the pressure-bearing component and the automatic sample-holding component in the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Lifting plate; 2. Main body support; 3. Pushing cylinder; 4. Water spray assembly; 41. Water storage tank; 42. Water spray pipe; 43. Longitudinal partition; 44. Bottom plate; 45. Pushing water piston; 46. Return spring; 47. Water pressure plate; 48. Piston rod; 5. Drive motor; 6. Hydraulic component; 61. Squeeze plate; 62. Installation shaft; 63. Torsion spring; 64. Installation piece; ;8, adjusting component; 81, adjusting pull ring; 82, square groove; 83, retaining bar; 9, sampling groove; 10, scale mark; 11, adjusting inner groove; 12, drill bit; , pressure-bearing component; 141, pressure-bearing plate; 142, bottom rack; 143, longitudinal sliding shaft; 144, pressure-bearing spring; Sliding shaft; 154, the clamping rack; 16, the internal passage groove; 17, the transmission gear roller.

Detailed ways

Please refer to Figures 1-8, the present invention provides a technical solution: a portable sampling device for geological layering for geological prospecting, including a lifting plate 1 and a main body bracket 2, and a driving motor 5 is fixedly installed on the top of the lifting plate 1 , the lifting plate 1 is slidably installed on the outside of the main body support 2, the top of the main body support 2 is fixedly installed with a push cylinder 3, and one end of the output shaft of the drive motor 5 is fixedly equipped with a drill rod 7, and the drill rod 7 The outer surface of the drill rod 7 is provided with a scale mark 10, the bottom end of the drill rod 7 is fixedly equipped with a drill bit 12, the inside of the drill rod 7 is provided with an adjustment inner groove 11 and a sampling groove 9, and the inside of the sampling groove 9 is provided with There is a sample storage bottom tank 13 and an internal through tank 16. A pressure-bearing component 14 is movable installed in the sample storage bottom tank 13 for stable loading of sampling materials. One side of the pressure-bearing component 14 is provided with an automatic sample stop Component 15, used for the stable limit of the pressure-bearing component 14;

The pressure-bearing assembly 14 includes a longitudinal sliding shaft 143, a pressure-bearing spring 144 is arranged on the outside of the longitudinal sliding shaft 143, and a bottom rack 142 is slidably installed on the outside of the longitudinal sliding shaft 143, and the bottom rack 142 A pressure bearing plate 141 is fixedly installed on the top, and the pressure bearing plate 141 is located in the sample storage bottom tank 13;

The automatic sample blocking assembly 15 includes a sample blocking plate 151 and a transverse sliding shaft 153, the horizontal sliding shaft 153 is fixedly installed in the shell cavity of the drill pipe 7, and the outside of the horizontal sliding shaft 153 is slidably installed with a locking rack 154 , the sample blocking plate 151 is slidably installed inside the drill pipe 7, the bottom of the sample blocking plate 151 is fixedly equipped with an upper top spring 152, and the bottom end of the upper top spring 152 is fixedly connected with the inner wall of the sample storage bottom tank 13, One end of the clamping gear rack 154 is inserted into the clamping hole provided on the side wall of the sample blocking plate 151, and the inside of the sample storage bottom tank 13 is installed with a transmission toothed roller 17 through the rotation of the rotating shaft, and the transmission toothed roller 17 is respectively Mesh and connect with the locking rack 154 and the bottom rack 142;

Its specific implementation method is: when performing geological sampling, according to the sampling depth, turn on the drive motor 5, the drive motor 5 can drive the drill pipe 7 to rotate, at this time, turn on the push cylinder 3, push the lifting plate 1 to gradually descend, and the drill bit 12 for the geology. Punch drilling, gradually deepening, control the drilling depth according to the scale mark 10, after reaching the specified depth, close the push cylinder 3, stop pushing, continue to maintain the operation of the drive motor 5, and the drill pipe 7 continues to rotate synchronously. During the rotation of the drill pipe 7 There is contact and friction with the geological samples on the side, so that the surrounding geological samples can be sent into different sampling tanks 9. At this time, the pressure-bearing component 14 carries the samples and is under pressure. When the samples are collected to a certain amount, , the pressure bearing plate 141 gradually moves down, and at the same time drives the bottom rack 142 to move down synchronously, the bottom rack 142 can drive the transmission gear roller 17 to rotate, and the transmission gear roller 17 can drive the locking rack 154 of the automatic sample block assembly 15 to one Lateral displacement, until one end of the clamping rack 154 breaks away from the clamping hole on the side of the sample plate 151, the top spring 152 can quickly eject the sample plate 151, thereby automatically closing the sampling slot 9;

By setting the pressure-bearing component 14 and the automatic sample stop component 15, the pressure-bearing component 14 and the automatic sample stop component 15 are used together to complement each other. Through a simple sampling process, the sample enters the sampling tank, and after reaching a certain amount, the sampling tank can be realized. The automatic closing can effectively solve the problem that the drill pipe collides with geological layers at other depths during the process of reclaiming the drill pipe after sampling, so that geological samples at other depths are mixed into the sampling tank that has been sampled, thus effectively Guarantee the sampling effect and sampling accuracy, and ensure the accuracy of subsequent sample research;

The interior of the lifting plate 1 is provided with a water spray assembly 4 for stable storage and release of water bodies. The water spray assembly 4 includes a water storage tank 41, and a water spray pipe is fixedly installed on one side of the outer wall of the water storage tank 41. 42, the bottom of the water storage tank 41 is provided with a bottom plate 44, the top surface of the bottom plate 44 is vertically fixedly installed with a longitudinal partition 43, and a piston rod 48 is slidably installed in the bottom plate 44, and the piston rod 48 The outside is provided with a return spring 46, the bottom of the piston rod 48 is fixedly equipped with a pressure water plate 47, and the top of the piston rod 48 is fixedly installed with a water pushing piston 45, and the water pushing piston 45 is connected to the longitudinal partition 43 and the storage tank. The side wall of the water tank 41 is slidingly connected;

The cylinder shaft provided at one end of the output shaft of the push cylinder 3 is fixedly connected to the top surface of the lifting plate 1, and the side wall of the main body support 2 is provided with a hydraulic assembly 6 for intermittently pressing water of the water spray assembly 4, The hydraulic assembly 6 includes a mounting shaft 62 and a mounting piece 64, the mounting piece 64 is fixedly mounted on the side wall of the main body bracket 2, and one side of the mounting piece 64 is rotatably mounted with the mounting shaft 62, the mounting shaft The outside of 62 is fixedly installed with extruding plate 61 and torsion spring 63, and one end of described torsion spring 63 is fixedly connected with the side wall of mounting plate 64, and one end of described extruding plate 61 is positioned at the just below of pressure water plate 47;

The specific implementation method is as follows: during the sampling process, when the lifting plate 1 descends, it can simultaneously drive the water spray assembly 4 to descend synchronously. During the bumping process, the water pressing plate 47 of the water spray assembly 4 will be in contact with the extrusion plate 61, and the water pressing plate 47 will be squeezed. The displacement of the water pressing plate 47 can push the water pushing piston 45 to move, and the water spray assembly will The water liquid in 4 is sprayed out through the water spray pipe 42, and the sprayed water liquid can be on the drill pipe 7 to cool down the working drill pipe 7. When the water spray assembly 4 continues to move downward, the extrusion plate 61 deflects to a certain After the angle, it will be out of contact with it, and the pressure water plate 47 can be reset under the effect of the return spring 46 to carry out the next pressure water, because a plurality of different hydraulic pressure components are evenly and equidistantly arranged on the side wall of the main body bracket 2 6. After the drill pipe 7 completes a set of feed every time, it will spray water once;

By setting the water spray assembly 4 and the hydraulic pressure assembly 6, the design is ingenious, abandoning the traditional electronically controlled water spray design, and reducing the overall production cost of the equipment. Through the physical structure design, compared with the electronically controlled structure, the The failure rate when the device is in use, and there will be no power consumption at the same time. This structure can not only realize the linkage water spray effect, but also realize the fixed-point balanced water spray, which can ensure the cooling effect of the drill pipe 7, and will not cause damage to the drill pipe 7. Water resources are wasted, which improves the use effect of the device;

The inside of the adjustment inner tank 11 is provided with an adjustment assembly 8 for quick opening and closing of the sampling tank 9. The adjustment assembly 8 includes a stop bar 83, and the inside of the stop bar 83 is provided with a square groove 82. The top of the bar 83 is fixedly equipped with an adjustment pull ring 81;

The specific implementation method is: before geological sampling, its position can be adjusted by pulling the adjustment assembly 8. Since the adjustment assembly 8 is designed in the form that the groove body and the solid area are interlaced, during the drilling of the drill pipe 7 into the geological layer , adjust the position of the adjusting component 8 to initially close the sampling groove 9, and when the drill pipe 7 is drilled into the specified depth, continue to adjust the adjusting component 8 so that the square groove 82 corresponds to the sampling groove 9, open the sampling groove 9, and then perform sampling , when the drill pipe 7 is taken out, the adjustment assembly 8 can also be adjusted again to reclose the sampling groove 9, which works together with the automatic sample stop assembly 15 to further improve the sampling accuracy and avoid some errors in the adjustment assembly 8 when the drill pipe 7 is taken out. Displacement, resulting in sampling error;

By setting the adjustment assembly 8, this design can effectively solve the problem that samples of various depths are mixed into the sampling groove after the drill pipe is drilled into the geological layer, ensuring the accuracy of subsequent sampling. At the same time, the adjustment assembly 8 is located on the drill pipe The upper end of 7 is convenient and quick to adjust, saves time and effort, and is easy to operate.

Working principle: Before geological sampling, the position of the adjustment assembly 8 can be adjusted by pulling it. Since the adjustment assembly 8 is designed in the form of interlaced grooves and solid areas, the adjustment can be adjusted during the drilling of the drill pipe 7 into the geological layer. The position of the component 8 will initially close the sampling groove 9. When the drill pipe 7 is drilled into the specified depth, continue to adjust the adjustment component 8 so that the square groove 82 and the sampling groove 9 correspond to each other, open the sampling groove 9, and then perform sampling. Specifically, , when performing geological sampling, according to the sampling depth, turn on the drive motor 5, the drive motor 5 can drive the drill pipe 7 to rotate, at this time, turn on the push cylinder 3, push the lifting plate 1 to gradually descend, and the drill bit 12 will punch the geological and gradually deepen , control the drilling depth according to the scale mark 10, after reaching the specified depth, close the push cylinder 3, stop pushing, geological samples can be sent into each different sampling tank 9, at this time, the pressure-bearing component 14 carries the sample material and is subjected to pressure , when the sample material collection reaches a certain amount, the pressure bearing plate 141 will gradually move down, and at the same time drive the bottom rack 142 to move down synchronously, the bottom rack 142 can drive the transmission gear roller 17 to rotate, and the transmission gear roller 17 can drive the automatic sample blocking assembly 15, the clamping rack 154 is displaced to one side until one end of the clamping rack 154 breaks away from the clamping hole on the side of the retaining plate 151, and the top spring 152 can quickly eject the retaining plate 151, thereby automatically closing the sampling groove 9. During the sampling process, when the lifting plate 1 descends, it can simultaneously drive the water spray assembly 4 to descend synchronously. During the descending process of the water spray assembly 4, it can touch the hydraulic pressure assembly 6. During the contact process, the water spray The water pressing plate 47 of the component 4 will contact with the extrusion plate 61, and the water pressing plate 47 will be squeezed, and the water pressing plate 47 will be displaced, which can push the water pushing piston 45 to move, and the water liquid in the water spray assembly 4 will pass through the spray The water pipe 42 sprays out, and the sprayed water liquid can be on the drill pipe 7 to cool down the working drill pipe 7. When the water spray assembly 4 continues to move downward, the extruding plate 61 will be out of contact with it after deflecting at a certain angle. , the water pressure plate 47 can be reset under the action of the return spring 46 to carry out the next water pressure. Since a plurality of different hydraulic components 6 are evenly and equidistantly arranged on the side wall of the main body bracket 2, each time the drill rod 7 After completing a set of feed rate for the first time, a water spray will be realized. When the drill pipe 7 is taken out, the adjustment component 8 can also be adjusted again to reclose the sampling groove 9, and it works together with the automatic sample stop component 15 to further improve the accuracy of sampling. , to avoid some erroneous displacements of the adjustment assembly 8 when the drill pipe 7 is taken out, resulting in sampling errors.

Claims (8)

1. A portable geological stratification sampling device for geological prospecting, including a lifting plate (1) and a main body bracket (2), the top of the lifting plate (1) is fixedly equipped with a driving motor (5), and the lifting plate (1) Slidingly installed on the outside of the main body bracket (2), the top of the main body bracket (2) is fixedly installed with a push cylinder (3), and one end of the output shaft of the drive motor (5) is fixedly installed with a drill rod (7 ), the outer surface of the drill rod (7) is provided with a scale (10), and the bottom end of the drill rod (7) is fixedly equipped with a drill bit (12), characterized in that: the drill rod (7) The interior of the sampling tank (11) and the sampling tank (9) are arranged, and the inside of the sampling tank (9) is provided with a storage bottom tank (13) and an internal passage tank (16). 13) A pressure-bearing component (14) is installed in the inner part for stable loading of the sampling material. One side of the pressure-bearing component (14) is provided with an automatic sample stop component (15) for the pressure-bearing component (14) Stable limit; The pressure-bearing assembly (14) includes a longitudinal sliding shaft (143), the outer part of the longitudinal sliding shaft (143) is provided with a pressure-bearing spring (144), and the outer part of the longitudinal sliding shaft (143) is slidably installed with bottom teeth A bar (142), the top of the bottom rack (142) is fixed with a pressure bearing plate (141), and the pressure bearing plate (141) is located in the sample storage bottom tank (13); The automatic sample blocking assembly (15) includes a sample blocking plate (151) and a transverse sliding shaft (153), the horizontal sliding shaft (153) is fixedly installed in the shell cavity of the drill pipe (7), and the horizontal sliding shaft ( 153) is slidingly installed with a locking rack (154); The baffle plate (151) is slidably installed inside the drill pipe (7), and the bottom of the baffle plate (151) is fixedly installed with an upper top spring (152), and the bottom end of the upper top spring (152) is in contact with the storage The inner wall of the sample bottom groove (13) is fixedly connected, and one end of the clamping rack (154) is inserted into the hole provided on the side wall of the blocking sample plate (151), and the inside of the sample storage bottom groove (13) A transmission toothed roller (17) is installed through the rotation of the rotating shaft, and the transmission toothed roller (17) is meshed with the locking rack (154) and the bottom rack (142) respectively. 2. A portable geological stratification sampling device for geological prospecting according to claim 1, characterized in that: the inside of the lifting plate (1) is provided with a water spray assembly (4), which is used for stable storage of water bodies and release, the water spray assembly (4) includes a water storage tank (41), a water spray pipe (42) is fixedly installed on one side of the outer wall of the water storage tank (41), and the bottom of the water storage tank (41) is set Base plate (44) is arranged. 3. A portable geological stratification sampling device for geological prospecting according to claim 2, characterized in that: a longitudinal partition (43) is fixedly installed vertically on the top surface of the bottom plate (44), and the A piston rod (48) is slidably installed inside the bottom plate (44), and a return spring (46) is arranged on the outside of the piston rod (48). 4. A portable geological stratification sampling device for geological prospecting according to claim 3, characterized in that: the bottom of the piston rod (48) is fixed with a pressure water plate (47), and the piston rod ( 48) is fixedly installed with a water pushing piston (45), and the water pushing piston (45) is slidingly connected with the longitudinal partition (43) and the side wall of the water storage tank (41). 5. A portable geological stratification sampling device for geological prospecting according to claim 1, characterized in that: the cylinder shaft provided at one end of the output shaft of the push cylinder (3) and the top surface of the lifting plate (1) Fixedly connected, the side wall of the main body bracket (2) is provided with a hydraulic pressure assembly (6), which is used for intermittent water pressure of the water spray assembly (4). 6. A portable geological stratification sampling device for geological prospecting according to claim 5, characterized in that: the hydraulic pressure component (6) includes a mounting shaft (62) and a mounting piece (64), and the mounting The piece (64) is fixedly installed on the side wall of the main body bracket (2), and one side of the installation piece (64) is rotatably installed with an installation shaft (62), and the outside of the installation shaft (62) is fixedly installed with an extrusion Plate (61) and torsion spring (63). 7. A portable geological stratification sampling device for geological prospecting according to claim 6, characterized in that: one end of the torsion spring (63) is fixedly connected to the side wall of the mounting piece (64), and the extrusion One end of the pressure plate (61) is positioned directly below the water pressure plate (47). 8. A portable geological stratification sampling device for geological prospecting according to claim 1, characterized in that: an adjustment assembly (8) is provided inside the adjustment inner tank (11) for sampling tank (9) ), the adjustment component (8) includes a bar (83), the inside of the bar (83) is provided with a square groove (82), and the top of the bar (83) is fixedly installed with an adjustment Ring pull (81).