CN217277022U

CN217277022U - Sampling device is reconnaissance to geology

Info

Publication number: CN217277022U
Application number: CN202220959329.0U
Authority: CN
Inventors: 张琳琳; 米文满; 邹龙; 郑向党; 王慧芳; 曹雪; 高亚林; 车君艳
Original assignee: Jinchuan Group Co Ltd
Current assignee: Jinchuan Group Nickel Cobalt Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-23
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to a geology reconnaissance technical field, concretely relates to geology reconnaissance sampling device. The specific technical scheme is as follows: the utility model provides a geology reconnaissance sampling device, includes the fixed plate, be provided with logical groove on the fixed plate, the bottom of fixed plate, be located the below that leads to the groove is provided with and connects the silo, it is provided with the baffle that moves towards connecing the silo top to lead to the inslot to slide, it is provided with the sampling tube to run through on the baffle, be provided with the driving piece that the drive sampling tube goes up and down on the baffle, the fixed plate bottom is close to its four corners department and is provided with height-adjustable's stabilizer blade. The utility model provides an among the prior art soil uncontrollable sampling depth and the problem that wastes time and energy when the sample.

Description

Geological survey sampling device

Technical Field

The utility model relates to a geology reconnaissance technical field, concretely relates to geology reconnaissance sampling device.

Background

The geological engineering field is the leading engineering field serving national economic construction by taking natural science and geoscience as theoretical bases, taking engineering problems related to geological survey, general survey and exploration of mineral resources, and geological structure and geological background of major engineering as main objects, taking geology, geophysical and geochemical technologies, mathematical geological methods, remote sensing technologies, testing technologies, computer technologies and the like as means.

Geological survey is covered in the geological engineering field, and the in-process of geological survey need be taken a sample to the soil layer of underground, and traditional sampling device needs manual operation, wastes time and energy. Furthermore, the depth of insertion of the sampling tube into the soil cannot be determined effectively. Therefore, a geological survey sampling device is provided, which can automatically sample.

Disclosure of Invention

Not enough to prior art, the utility model provides a geology reconnaissance sampling device has solved among the prior art soil uncontrollable sampling depth and the problem that wastes time and energy when the sample.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model discloses a geology reconnaissance sampling device, which comprises a fixing plate and i, be provided with logical groove on the fixed plate, the bottom of fixed plate, be located the below that leads to the groove is provided with and connects the silo, it is provided with the baffle that the orientation connects the silo top to remove to slide in leading to the groove, run through on the baffle and be provided with the sampling tube, be provided with the driving piece that the drive sampling tube goes up and down on the baffle, the fixed plate bottom is close to its four corners department and is provided with height-adjustable's stabilizer blade.

Preferably, the support leg comprises a fixed cylinder and a movable cylinder in threaded connection with the fixed cylinder, a support plate is arranged at the bottom of the movable cylinder, a pointed cone head is arranged at the bottom of the support plate, and the fixed cylinder is connected with the fixed plate.

Preferably, a mounting groove is correspondingly formed in the side wall of the through groove in the length direction, an electric guide rail is arranged in the mounting groove, and two sides of the guide plate are respectively fixed with a sliding block on the electric guide rail, so that the electric guide rail drives the sampling tube to move to the position above the material receiving groove.

Preferably, the driving part comprises a sleeve which is arranged on the side wall of the sampling tube and provided with an internal thread, a screw rod is matched in the sleeve, a motor with a speed reducer is arranged at the top end of the screw rod, the motor is arranged on the support, and the other end of the support is fixed on the guide plate.

Preferably, one side of the material receiving groove is provided with an opening, a drawing disc is arranged in the material receiving groove, and a handle is arranged on the side wall, facing the opening of the material receiving groove, of the drawing disc.

Preferably, the cover is equipped with the support ring on the sampling tube, the bottom of support ring is provided with the several bracing piece, the vertical guide way that is provided with on the lateral wall of sampling tube, be provided with the guide block with the guide way adaptation on the inner wall of support ring.

Preferably, a sampling cavity penetrates through the axis of the sampling tube, a partition cavity is arranged in the sampling cavity close to the insertion end of the sampling tube, a partition assembly is arranged in the partition cavity, and a pressing assembly for driving the partition assembly to open and close is arranged on the sampling tube along the length direction of the sampling tube;

the downward pressing assembly comprises a connecting ring arranged at the top end of the sampling tube, the bottom of the connecting ring is provided with a plurality of connecting rods inserted into the side wall of the sampling tube and extending into the partition cavity, one end of each connecting rod extending into the partition cavity is provided with a pressing block, and the connecting ring is connected with an electric telescopic rod; the pressing block is in contact with the partition assembly.

Preferably, cut off the subassembly including rotating the several sector plate that sets up at the wall intracavity, the sector plate sets up around the sample chamber, every the sector plate is connected through reset spring with cutting off between the chamber lateral wall, be provided with on the lateral wall in wall chamber and carry out extruded article to the sector plate, the briquetting is located extruded article top for the drive extruded article extrudees the sector plate.

Preferably, be provided with the several mounting panel on the inner wall that cuts off the chamber, it is adjacent be provided with the pivot between the mounting panel, the sector plate rotates through the pivot and connects.

Preferably, the extruded article is including transversely setting up guide bar on the wall of wall chamber and the movable block with guide bar sliding connection, the movable block rotates towards the one end of sector plate and is connected with the extrusion wheel, the top surface of movable block rotates and is connected with the pinch roller, the cross-section of briquetting is trapezoidal, and its inclined plane sets up towards the sector plate and contacts with the pinch roller, the connecting rod is connected with the bottom surface at the long limit place of briquetting.

The utility model discloses possess following beneficial effect:

1. the utility model discloses a set up the stabilizer blade of liftable in the bottom surface of fixed plate to make the fixed plate can place uneven subaerial and take a sample. Simultaneously, through the sampling tube on electronic guide rail drive baffle and the baffle towards the removal of pull dish top, make the soil sample of gathering in the sampling tube fall into the pull dish, combine lead screw drive sampling tube lift again, make whole sample and lofting in-process, need not artifical sample, only need just can realize sampling and lofting, whole process labour saving and time saving through control motor and electronic guide rail.

2. The utility model discloses a sample in lead screw drive sampling tube gets into soil, soil in the sampling tube reaches the sample and requires after, the control briquetting pushes down the pinch roller, make the pinch roller drive the movable block and slide on the guide bar, and then extrude the sector plate through the pinch roller, make four sector plate upsets, until the bottom closure of four sector plates, the redrive sampling tube rebound, can remove the sampling tube to leading to on the groove, and soil passes through the sector plate support when the rebound, thereby under meetting loose and the big condition of stickness of soil, can avoid soil can drop from the bottom of sampling tube, lead to the problem that needs the repeated sampling.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the hold-down assembly and the partition assembly;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

in the figure: the device comprises a fixing plate 1, a support leg 2, a fixing barrel 21, a movable barrel 22, a supporting plate 23, a pointed cone head 24, a through groove 3, an electric guide rail 4, a guide plate 5, a material receiving groove 6, a drawing disc 7, a sampling tube 8, a screw rod 9, a motor 10, a support 11, a partition cavity 12, a pressing component 13, a mounting plate 131, an electric telescopic rod 132, a connecting ring 133, a connecting rod 134, a pressing block 135, a partition component 14, a mounting plate 141, a sector plate 142, a return spring 143, an extrusion wheel 144, a movable block 145, a guide rod 146, a pressing wheel 147, a rotating shaft 148, a sampling cavity 15, a supporting ring 16, a supporting rod 17, a guide groove 18 and a sleeve 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.

Referring to fig. 1-4, the utility model discloses a geology reconnaissance sampling device, including fixed plate 1, be provided with the logical groove 3 that runs through its face on the fixed plate 1, the bottom of fixed plate 1, the below that is located logical groove 3 is provided with connects silo 6, it is provided with towards connecting the baffle 5 that 6 tops of silo removed to lead to slide in the groove 3, runs through on the baffle 5 and is provided with sampling tube 8, is provided with the driving piece that the drive sampling tube 8 goes up and down on the

baffle

5, and 1 bottom of fixed plate is close to its four corners department and is provided with height-adjustable's stabilizer blade 2. It should be noted that: connect one side opening of silo 6, be provided with pull dish 7 in connecing silo 6, pull dish 7 orientation is provided with the handle on connecing the lateral wall of 6 openings parts in silo, is convenient for take out pull dish 7 from connecing silo 6. The sampling tube 8 is moved to the upper part of the drawing disc 7 through the guide plate 5, so that the collected soil sample in the sampling tube is poured onto the drawing disc 7. In the whole process, the sampling tube is inserted into soil through the driving piece and is sampled, then the soil sample of gathering is moved to the pull dish top through electric guide rail and is fallen the appearance, need not the manual work and inserts the sampling tube in soil to take a sample, whole sample process convenient and fast, labour saving and time saving.

Further, in order to use the bottom surfaces of different flatness for the fixing plate, even if the fixing plate is placed on the uneven bottom surface for sampling, the supporting legs 2 are arranged to be liftable. Specifically, the method comprises the following steps: the support leg 2 comprises a fixed cylinder 21 and a movable cylinder 22 in threaded connection with the fixed cylinder 21, a support plate 23 is arranged at the bottom of the movable cylinder 22, a pointed conical head 24 is arranged at the bottom of the support plate 23, and the fixed cylinder 21 is connected with the fixed plate 1. It should be noted that: the fixed cylinder 21 is inserted into the movable cylinder 22, the fixed cylinder and the movable cylinder are fixed through threads, and the movable cylinder is rotated, so that the integral height of the movable cylinder and the fixed cylinder is adjusted, and the movable cylinder is adaptive to uneven ground. When the fixed cylinder is hollow, it can also be solid cylinder, and its external wall is equipped with external screw thread. The pointed head 24 is arranged to be inserted into soil for fixing, and the support plate 23 can increase the contact surface with the ground, so as to increase the stability of the fixing plate.

Furthermore, the lateral wall of the through groove 3 in the length direction is correspondingly provided with a mounting groove, an electric guide rail 4 is arranged in the mounting groove, and two sides of the guide plate 5 are respectively fixed with a sliding block on the electric guide rail 4, so that the electric guide rail 4 drives the sampling tube 8 to move to the position above the material receiving groove 6. It should be noted that: the removal of sampling tube 8 is realized through electronic guide rail 4, and two electronic guide rail 4 remove simultaneously to drive baffle 5 area sampling tube 8 along the length direction reciprocating motion who leads to groove 3, when removing to the top that connects silo 6 or pull dish 7, the soil sample in the sampling tube 8 is poured into in pull dish 7, finally realizes automatic sample and laying-out.

Further, the driving piece for driving the sampling tube to lift comprises a sleeve 19 which is arranged on the side wall of the sampling tube 8 and provided with an internal thread, a screw rod 9 is matched in the sleeve 19, a motor 10 with a speed reducer is arranged at the top end of the screw rod 9, the motor 10 is arranged on a support 11, and the other end of the support 11 is fixed on the guide plate 5. It should be noted that: in order to facilitate the insertion of the sampling tube into the soil, the sampling tube 8 is arranged through the guide plate 5, spaced apart from the guide plate 5, so that the sampling tube can be moved up and down on the guide plate. The length of the sleeve 19 may be less than or equal to the length of the sampling tube. When the motor 10 drives the screw rod 9 to rotate, the sampling tube is lifted along the direction of the screw rod, and then the sampling tube is inserted into soil or taken out of the soil.

Further, in order to guarantee that the sampling tube carries out elevating movement's stability under the effect of lead screw, the cover is equipped with support ring 16 on the sampling tube 8, and the bottom of support ring 16 is provided with several bracing piece 17, the vertical guide way 18 that is provided with on the lateral wall of sampling tube 8, be provided with the guide block with 18 adaptations of guide way on the inner wall of support ring 16. It should be noted that: the support ring 16, the support rod 17 and the guide block are arranged, so that the sampling tube can move up and down along the area surrounded by the support ring, the burden of the screw rod can be reduced, and the stability of the sampling tube in the lifting process is improved. The support ring 16 can be provided with a notch for the sleeve 19 to pass through according to the setting condition of the sleeve 19, so that the sleeve 19 and the support ring 16 can not be installed and arranged at the same time, and the sleeve 19 can be arranged in the support ring 16 by increasing the diameter of the support ring 16. The specific setting can be carried out according to actual needs. Similarly, if the length of the sleeve 19 is long, a slot or a hole for the sleeve 19 to pass through may be further formed on the side wall of the through hole for the sampling tube to pass through. In this embodiment, the length of the sleeve 19 is smaller than that of the sampling tube, and the sleeve 19 is disposed above the sampling tube, so that the sleeve 19 does not pass through the guide plate when the screw rod drives the sampling tube to ascend and descend.

Further, the axle center department of sampling tube 8 runs through and is provided with sample chamber 15, is provided with in the sample chamber that is close to the sampling tube 8 and inserts the end and cuts off chamber 12, cuts off the intracavity and is provided with the wall subassembly 14 that carries out the separation to the sample that enters into sample chamber 14, is provided with the drive on the sampling tube 8 along its length direction and cuts off the push down subassembly 13 that subassembly 14 opened and close. It should be noted that: the partition cavity 12 is formed by an annular groove formed on the inner wall of the sampling cavity 15, and the bottom end of the sampling tube 8 is conical, so that the sampling tube can be more easily inserted into soil. The pushing assembly is mainly used for driving the partition assembly to be opened and closed, so that the partition assembly can be used for blocking soil entering the sampling cavity.

Specifically, the method comprises the following steps: the pressing component 13 comprises a connecting ring 133 arranged at the top end of the sampling tube 8, the bottom of the connecting ring 133 is provided with a plurality of connecting rods 134 which are inserted into the side wall of the sampling tube 8 and extend into the partition cavity 12, one end of each connecting rod 134 extending into the partition cavity 12 is provided with a pressing block 135, the top end of the sampling tube 8 is provided with a mounting plate 131, an electric telescopic rod 132 is arranged on the mounting plate 131, and the output end of the electric telescopic rod 132 is connected with the top surface of the connecting plate. It should be noted that: a hole for inserting the connecting rod 134 is formed in the side wall of the sampling tube, and the connecting rod can move up and down in the hole, so that the partition assembly is controlled to be opened and closed. The mounting plate 131 is of a 'L' shape, and the electric telescopic rod 132 is arranged on the bottom surface of the upper transverse plate of the mounting plate 131. Of course, the electric telescopic rod 132 may be directly disposed on the top surface of the sampling tube 8 without disposing the mounting plate, and the output end thereof is fixed on the bottom surface of the connection ring 133. The electric telescopic rod 132 is only one of the arrangement modes, and can also be other components, such as an air cylinder, a hydraulic push rod and the like. The connecting ring 133 and the connecting rod 134 are driven by the electric telescopic rod to move up and down.

Further, the partition assembly 14 comprises a plurality of sector plates 142 rotatably arranged in the partition cavity 12, the sector plates 142 are arranged around the sampling cavity 15, each sector plate 142 is connected with the side wall of the partition cavity 12 through a return spring 143, an extrusion part for extruding the sector plates 142 is arranged on the side wall of the partition cavity 12, and the pressing block 135 is located above the extrusion part and used for driving the extrusion part to extrude the sector plates 142, so that the sector plates are combined together. It should be noted that: the sector plate 142 is arranged in the partition cavity 12 and arranged along the opening of the sampling cavity 15 at the top of the partition cavity 12, that is, the center of the area enclosed by the sector plate 142 is arranged coaxially with the sampling cavity 15. The fan-shaped plates 142 are combined to form a conical shape with a hollow interior and an open bottom, and the open bottom corresponds to and communicates with the sampling cavity 15, as shown in fig. 4, and the tips of the fan-shaped plates face downward. In this embodiment, the number of the connecting rods 134, the sector plates 142 and the extrusion members is the same, i.e., the connecting rods 134 are preferably provided in 4, the sector plates 142 are provided in 4, the extrusion members are provided in 4, and one connecting rod corresponds to one extrusion member and one extrusion member corresponds to one sector plate. The return spring 143 is disposed below the extrusion member to facilitate the return of the sector plates, i.e., the plurality of sector plates are in an open state.

Furthermore, the connection mode of the sector plates in the partition cavity is as follows: the inner wall of the partition cavity 12 is transversely provided with a plurality of mounting plates 141, a rotating shaft 148 is arranged between adjacent mounting plates 141, and the sector plates 142 are rotatably connected through the rotating shaft. It should be noted that: the fan-shaped plate 142, the rotating shaft 148 and the mounting plate 141 are arranged in two ways, one way is that the top edge of the fan-shaped plate 142 is fixedly connected with the rotating shaft 148, and the two ends of the rotating shaft 148 are rotatably connected with the mounting plate 141 through bearings, so that the fan-shaped plate 142 rotates under the action of the rotating shaft. Alternatively, the shaft 148 is rotatably connected to the top edge of the sector plate 142, i.e., the shaft passes through the top edge of the sector plate 142, and both ends of the shaft are fixedly connected to the mounting plate 141, thereby rotating the sector plate around the shaft. In either way, the sector plate can be turned or rotated.

Further, the extrusion member comprises a guide rod 146 arranged on the side wall of the partition cavity 12 and a movable block 145 connected with the guide rod 146 in a sliding manner, one end of the movable block 145 facing the sector plate 142 is rotatably connected with an extrusion wheel 144, the top surface of the movable block 145 is rotatably connected with a pressing wheel 147, and the pressing block 135 is in contact with the pressing wheel 147. It should be noted that: the guide rod 146 is transversely arranged and corresponds to the sector plate, and a groove for extending one end of the guide rod 146 is formed in the movable block 145, so that the movable block can transversely slide along the guide rod 146, and the extrusion wheel 144 can extrude the sector plate or relieve the extrusion state. The pressing wheel 147 is fixed to the top surface of the movable block 145 by a bracket having a shape of a Chinese character 'men' and contacts with the side surface of the pressing block 135.

Further, the cross section of the pressing block 135 is trapezoidal, the inclined surface of the pressing block is arranged towards the sector plate 142 and is in contact with the pressing wheel 147, and the connecting rod 134 is connected with the bottom surface of the pressing block 135 where the long edge is located. It should be noted that: the pressing block 135 is a trapezoidal block, the connecting rod 134 is fixed on the bottom surface of the long side of the pressing block, and the inclined plane between the bottom surface of the short side and the bottom surface of the long side is in contact with the pressing wheel. When the pressing block 135 vertically moves up and down under the action of the connecting rod 134, the pressing wheel 147 is pushed to drive the movable block 145 and the extrusion wheel 144 to move towards the direction of the sector plates 142 under the action of the inclined surface of the pressing block until the extrusion wheel contacts with the sector plates and the sector plates rotate, so that the sector plates are combined, and the purpose of isolating soil in the sampling cavity is achieved. When the pressing block 135 moves upwards, the extrusion wheel releases the limitation on the sector plates, so that the sector plates are reset under the action of the reset spring, namely, a plurality of sector plates are in an open state.

When the electric guide rail 4 drives the guide plate 5 to drive the sampling tube 8 to move to the position above the material receiving groove 6, the electric telescopic rod 132 is started, so that the soil blocked by the sector plates falls into the drawing disc for collection. Connect the quantity of silo 6 to set up according to actual need, connect the silo to be provided with two in this embodiment, set up respectively at the both ends that lead to groove 3, the sampling tube is followed two and is connect the silo 6 between taking a sample.

Use the utility model discloses the time, place fixed plate 1 subaerial treating the sample through adjusting stabilizer blade 2, through starting the driving piece, motor 10 promptly makes sampling tube 8 move towards soil direction, until with sampling tube 8 insert soil in, sampling tube male degree of depth is confirmed according to motor 10's rotational speed and time. When the sampling tube is inserted into soil, the soil enters the sampling cavity under the action of the sampling cavity and enters the area enclosed by the sector plates 142, namely enters the partition cavity and even enters the sampling cavity 15 above the partition cavity 12; in this process, the bottom end of the sector plate 142 is in an open state, so that the soil can smoothly enter the area surrounded by the sector plate 142.

After the soil in the sampling tube 8 meets the sampling requirement, the electric telescopic rod 132 is started to drive the connecting ring 133 and the connecting rod 134 to drive the pressing block 135 to move towards the ground, so that the pressing block 135 gradually presses the pressing wheel 147 down, and further drives the movable block 145 and the extrusion wheel 144 to move towards the sector plate 142 until the bottom end of the sector plate 142 is closed after the sector plate 142 rotates, and at the moment, the soil in the sampling tube 8 is supported by the sector plate 142;

the driving piece is started, namely the motor 10 rotates reversely to enable the sampling tube 8 to move upwards until the bottom end of the sampling tube 8 is positioned in the guide plate 5 or above the guide plate 5; then the electric guide rail 4 is started to drive the guide plate 5 to move towards the upper part of the material receiving groove 6 or the drawing disc 7; then, the electric telescopic rod 132 is started to enable the pressing block 135 to move upwards, the limitation on the sector plate 142 is removed, the bottom end of the sector plate 142 is opened under the action of the return spring 143 of the sector plate 142, soil in the sampling cavity is discharged into the drawing disc 7 to be collected, and therefore sampling of the next place is facilitated.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. A geological survey sampling device, includes fixed plate (1), its characterized in that: be provided with on fixed plate (1) and lead to groove (3), the bottom of fixed plate (1), be located the below that leads to groove (3) is provided with and connects silo (6), it is provided with towards baffle (5) that connect silo (6) top to remove to lead to slide in groove (3), it is provided with sampling tube (8) to run through on baffle (5), be provided with the driving piece that drive sampling tube (8) go up and down on baffle (5), fixed plate (1) bottom is close to its four corners department and is provided with height-adjustable's stabilizer blade (2).

2. A geological survey sampling device as defined in claim 1, wherein: the supporting foot (2) comprises a fixed cylinder (21) and a movable cylinder (22) which is in threaded connection with the fixed cylinder (21), a supporting plate (23) is arranged at the bottom of the movable cylinder (22), a pointed conical head (24) is arranged at the bottom of the supporting plate (23), and the fixed cylinder (21) is connected with the fixed plate (1).

3. A geological survey sampling device as defined in claim 1, wherein: the guide plate is characterized in that a mounting groove is correspondingly formed in the side wall of the through groove (3) in the length direction, an electric guide rail (4) is arranged in the mounting groove, two sides of the guide plate (5) are fixed with sliding blocks on the electric guide rail (4) respectively, and the electric guide rail (4) drives the sampling tube (8) to move to the position above the material receiving groove (6).

4. A geological survey sampling device as defined in claim 1, wherein: the driving piece is including setting up sleeve (19) that has the internal thread on sampling tube (8) lateral wall, adaptation has lead screw (9) in sleeve (19), the top of lead screw (9) is provided with motor (10) of taking the speed reducer, motor (10) set up on support (11), the other end of support (11) is fixed on baffle (5).

5. A geological survey sampling device as defined in claim 1, wherein: the material receiving groove is characterized in that one side of the material receiving groove (6) is provided with an opening, a drawing disc (7) is arranged in the material receiving groove (6), and a handle is arranged on the side wall, facing the opening of the material receiving groove (6), of the drawing disc (7).

6. A sampling device for geological survey according to claim 1, wherein: the cover is equipped with support ring (16) on sampling tube (8), the bottom of support ring (16) is provided with several bracing piece (17), the vertical guide way (18) that is provided with on the lateral wall of sampling tube (8), be provided with the guide block with guide way (18) adaptation on the inner wall of support ring (16).

7. A geological survey sampling device as defined in any one of claims 2-6, wherein: a sampling cavity (15) penetrates through the axis of the sampling tube (8), a partition cavity (12) is arranged in the sampling cavity (15) close to the insertion end of the sampling tube (8), a partition component (14) is arranged in the partition cavity (12), and a pressing component (13) for driving the partition component (14) to open and close is arranged on the sampling tube (8) along the length direction of the sampling tube;

the downward pressing component (13) comprises a connecting ring (133) arranged at the top end of the sampling tube (8), the bottom of the connecting ring (133) is provided with a plurality of connecting rods (134) which are inserted into the side wall of the sampling tube (8) and extend into the partition cavity (12), one end of each connecting rod (134) extending into the partition cavity (12) is provided with a pressing block (135), and the connecting ring (133) is connected with an electric telescopic rod (132); the pressing block (135) is in contact with the partition component (14).

8. A geological survey sampling device as defined in claim 7, wherein: cut off subassembly (14) including rotating several sector plate (142) that sets up in cutting off chamber (12), sector plate (142) set up around sample chamber (15), every sector plate (142) and cut off and be connected through reset spring (143) between chamber (12) lateral wall, be provided with on the lateral wall of cutting off chamber (12) and carry out the extruded article to sector plate (142), briquetting (135) are located the extruded article top for the drive extruded article extrudees sector plate (142).

9. A geological survey sampling device as defined in claim 8, wherein: be provided with several mounting panel (141) on the inner wall that cuts off chamber (12), it is adjacent be provided with pivot (148) between mounting panel (141), sector plate (142) are through pivot (148) rotation connection.

10. A geological survey sampling device as defined in claim 8, wherein: the extruded piece is including transversely setting up guide bar (146) on wall chamber (12) lateral wall and movable block (145) with guide bar (146) sliding connection, movable block (145) rotate towards the one end of sector plate (142) and are connected with extrusion wheel (144), the top surface of movable block (145) is rotated and is connected with pinch roller (147), the cross-section of briquetting (135) is trapezoidal, and its inclined plane sets up towards sector plate (142) and contacts with pinch roller (147), connecting rod (134) are connected with the bottom surface at the long limit place of briquetting (135).