Geological stratified sampler

Abstract

The invention discloses a geological stratified sampler, and relates to the technical field of geological stratified sampling. Comprising a drill rod sampling mechanism and a lifting adjusting mechanism, the drill rod sampling mechanism is installed on the lifting adjusting mechanism, the drill rod sampling mechanism comprises drill rod bodies, the drill rod bodies are arranged in a sectional mode, continuous spiral blades are arranged on the outer sides of the drill rod bodies, and a conical head is integrally arranged at the bottom end of the lowest drill rod body. By arranging the sampling barrels, the drill rod main body and other structures, the corresponding sampling barrels can be installed between all the sections of the drill rod main body as required according to actual requirements, during sampling, based on drilling of the drill rod main body and the conical head, the sampling barrels descend to the corresponding positions, sampling is conducted through opening and closing of the arc-shaped baffles, and the sampling efficiency is improved. Due to the fact that one side edge of the arc-shaped baffle is of the knife-shaped structure which is easy to cut, cutting can be assisted in the sampling process, a sample can enter the sampling barrel more smoothly, and practicability is improved.

Description

Technical Field

[0001] The invention relates to the technical field of geological stratification sampling, in particular to a geological stratification sampler. Background Art

[0002] Sampling and analyzing underground soil layers is a common practice in the fields of geological exploration, soil testing, and environmental monitoring. Traditional sampling methods usually involve using manual or mechanically driven drilling equipment to obtain underground samples. Ordinary drilling equipment can usually only sample a single area.

[0003] After searching, the application scheme of Chinese patent application number CN201921515852.9 discloses a soil sampling device for geological exploration that can effectively prevent soil from detaching, including a shell, a hydraulic rod, a motor, a rotating shaft and a spring. A hydraulic rod is installed on the top of the shell, and a clamping frame is connected to the bottom of the hydraulic rod. Slide grooves are provided on the left and right sides of the shell. A motor is installed inside the clamping frame, and a sampling tube is connected to the bottom of the motor, and a bottom tube is connected to the bottom of the sampling tube. A card block is provided at the front end of the motor, and a card slot is provided on the right side of the sampling tube. A pipe sleeve is provided on the front and back sides of the sampling tube, and a plug rod is provided inside the pipe sleeve, and a baffle is installed inside the bottom tube. The soil sampling device in the above-mentioned document has the following shortcomings: although it can meet the sampling requirements, it cannot conveniently perform multi-layer sampling, and there is still room for improvement. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a geological stratification sampler.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A geological layered sampler comprises a drill rod sampling mechanism and a lifting and adjusting mechanism, wherein the drill rod sampling mechanism is installed on the lifting and adjusting mechanism, and the drill rod sampling mechanism comprises:

[0007] The drill rod body is divided into sections, and continuous spiral blades are arranged on the outside of the drill rod body. A conical head is arranged integrally at the bottom end of the drill rod body at the bottom;

[0008] The sampling tube is shaped to match the drill pipe body, and the sampling tube is detachably installed between the two sections of the drill pipe body. The sampling tube is hollow inside;

[0009] A drill rod driving unit, which is used to drive the drill rod to rotate;

[0010] The sampling tube is provided with sampling ports distributed in a circumference on the side thereof, and an arc-shaped baffle is installed at the sampling port through an axis, the axis is located in the middle of the upper and lower ends of the arc-shaped baffle, and the thickness of one side of the arc-shaped baffle gradually decreases, presenting a knife-like structure that is easy to cut;

[0011] An opening and closing control component for controlling the opening and closing of the arc-shaped baffle is arranged in the sampling tube.

[0012] As a preferred embodiment of the present invention: the opening and closing control component includes:

[0013] A fixing frame, the fixing frame is installed in the sampling tube;

[0014] The turntable is rotatably mounted on the fixed frame through an axis, the side of the turntable is in a ring-shaped corrugated structure, and a slide groove is provided on the side of the turntable;

[0015] A rotation driving unit, the rotation driving unit is used to drive the turntable to rotate;

[0016] A ball head rod is installed on the outer wall of one side of the arc baffle, the ball head rod is located on the side of the arc baffle close to the turntable, and the ball head rod is located on the side of the arc baffle away from the knife-shaped structure edge of the arc baffle, one end of the ball head rod slides in the slide groove, and the covering angle of the slide groove to the ball head rod is greater than 180°.

[0017] As a preferred embodiment of the present invention: the rotation driving unit includes:

[0018] An opening and closing drive motor, the opening and closing drive motor is installed on a fixing frame;

[0019] An opening and closing driving gear, the shaft of which is drivingly connected to the output end of the opening and closing driving motor;

[0020] The turntable gear is installed on the shaft of the turntable, and the turntable gear is meshed with the opening and closing driving gear.

[0021] As a preferred embodiment of the present invention: the drill rod driving unit includes:

[0022] A mounting seat, on which the uppermost end of the drill pipe body is rotatably mounted via a shaft;

[0023] A rotating drive motor is mounted on a mounting base, and an output end of the rotating drive motor is transmission-connected with a drive gear;

[0024] The driven gear is mounted on the shaft of the drill pipe body and meshes with the driving gear.

[0025] As a preferred embodiment of the present invention: the lifting and adjusting mechanism comprises:

[0026] A lifting frame, wherein the mounting seat slides up and down in the lifting frame;

[0027] A lifting screw rod, the lifting screw rod is rotatably mounted on the lifting frame, and the mounting seat is connected to the outer wall of the lifting screw rod through threads;

[0028] The lifting drive motor is installed on the lifting frame, and the output end of the lifting drive motor is drivingly connected to the lifting screw.

[0029] As a preferred embodiment of the present invention: evenly distributed auxiliary crushing teeth are provided on one side of the arc-shaped baffle located in the sampling tube.

[0030] As a preferred embodiment of the present invention: the outer wall of the sampling tube is provided with a plurality of arc-shaped blades, and the arc-shaped blades are adapted to the trajectory of the spiral blades.

[0031] As a preferred embodiment of the present invention: a weighing sensor assembly is installed on the inner side of the bottom of the sampling tube, and a weighing seat is installed on the weighing sensor assembly.

[0032] As a preferred embodiment of the present invention, arc grooves are formed on the outer sides of the ends of the drill rod body and the sampling tube, and the same arc connecting plate is detachably mounted in the adjacent arc grooves of the drill rod body and the sampling tube via fixing bolts.

[0033] As a preferred embodiment of the present invention: a vehicle body is provided on one side of the lifting frame, and the mounting frame is mounted on the vehicle body.

[0034] As a preferred embodiment of the present invention: a collection box is arranged on the vehicle body, a box cover is hinged on the top of the collection box, and a plurality of partitions are built in the collection box, and the partitions divide the internal space of the collection box into a plurality of partitions.

[0035] The beneficial effects of the present invention are:

[0036] 1. The present invention provides structures such as a sampling tube and a drill pipe body, and can install corresponding sampling tubes between sections of the drill pipe body as needed according to actual needs. When sampling, based on the drilling of the drill pipe body and the conical head, the sampling tube is lowered to a corresponding position, and sampling is performed by opening and closing the arc-shaped baffle. Since one side of the arc-shaped baffle is in a knife-like structure that is easy to cut, it can assist in cutting when sampling, so that the sample can enter the sampling tube more smoothly, thereby improving practicality.

[0037] 2. The present invention is capable of operating based on a rotating drive unit by setting an opening and closing control component, driving the turntable to rotate, thereby allowing the ball head rod to slide in the turntable. Since the side surface of the turntable is in a corrugated structure, when the turntable rotates, the position of the arc baffle is adjusted based on the limiting of the slide groove using the ball head rod. When the ball head rod slides from a raised position to a recessed position, one end of the arc baffle is in an open state, thereby facilitating the collection of samples.

[0038] 3. The present invention can better assist in crushing large samples by setting auxiliary crushing teeth, avoid the jamming of the arc baffle, and improve reliability; by setting a weighing sensor assembly and a weighing seat, it is easy to detect the sampling progress, thereby better controlling the opening and closing of the arc baffle.

[0039] 4. The present invention provides structures such as arc-shaped connecting plates, and can utilize arc-shaped grooves to achieve splicing and installation between the drill rod body and the sampling tube, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A schematic diagram of the structure of a geological stratification sampler proposed in Example 1 of the present invention;

[0041] Figure 2 A schematic diagram of the structure of a geological stratification sampler proposed in Example 2 of the present invention;

[0042] Figure 3 A structural schematic diagram of a drill rod sampling mechanism of a geological layered sampler proposed by the present invention;

[0043] Figure 4 This is a structural schematic diagram of the drill pipe body and sampling tube of a geological layered sampler proposed by the present invention being separated;

[0044] Figure 5 This is a schematic structural diagram of a cross-section of a sampling tube of a geological stratification sampler proposed by the present invention;

[0045] Figure 6 This is a structural schematic diagram of an arc baffle and a rotating disk of a geological layered sampler proposed by the present invention;

[0046] Figure 7 The present invention is a structural schematic diagram of a geological stratified sampler in which a ball head rod slides in a slide groove.

[0047] In the figure: 1 lifting screw, 2 driving gear, 3 driven gear, 4 drill rod body, 5 mounting frame, 6 mounting seat, 7 lifting drive motor, 8 sampling tube, 9 spiral blade, 10 conical head, 11 car body, 12 collecting box, 13 partition, 14 box cover, 15 lifting frame, 16 rotation drive motor, 17 fixing bolt, 18 arc connecting plate, 19 arc groove, 20 arc baffle, 21 turntable, 22 turntable gear, 23 opening and closing drive motor, 24 opening and closing drive gear, 25 weighing sensor assembly, 26 weighing seat, 27 auxiliary crushing teeth, 28 ball head rod, 29 fixing frame, 30 slide groove, 31 rotation drive motor. DETAILED DESCRIPTION

[0048] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0049] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0050] Embodiment 1:

[0051] A geological layer sampler, such as Figure 1-7 As shown, it includes a drill rod sampling mechanism and a lifting and adjusting mechanism, the drill rod sampling mechanism is installed on the lifting and adjusting mechanism, and the drill rod sampling mechanism includes:

[0052] The drill rod body 4 is arranged in sections, and a continuous spiral blade 9 is arranged on the outside of the drill rod body 4, and a conical head 10 is arranged integrally at the bottom end of the drill rod body 4 at the bottom;

[0053] The sampling tube 8 is shaped to match the drill rod body 4. The sampling tube 8 is detachably installed between two sections of the drill rod body 4. The sampling tube 8 is hollow inside. There may be one or more sampling tubes 8 to be installed at different positions of the drill rod body 4.

[0054] A drill rod driving unit, which is used to drive the drill rod to rotate;

[0055] The sampling tube 8 is provided with sampling ports distributed in a circumference on its side, and an arc-shaped baffle 20 is installed at the sampling port through an axis, and the axis is located in the middle of the upper and lower ends of the arc-shaped baffle 20. The thickness of one side of the arc-shaped baffle 20 gradually decreases, forming a knife-like structure that is easy to cut;

[0056] The sampling tube 8 is provided with an opening and closing control component for controlling the opening and closing of the arc-shaped baffle 20;

[0057] By setting up structures such as the sampling tube 8 and the drill rod body 4, the corresponding sampling tube 8 can be installed between the sections of the drill rod body 4 as needed according to actual needs. When sampling, based on the drilling of the drill rod body 4 and the conical head 10, the sampling tube 8 is lowered to the corresponding position, and sampling is performed by opening and closing the arc baffle 20. Since one side of the arc baffle 20 is in a knife-like structure that is easy to cut, it can assist in cutting when sampling, so that the sample can enter the sampling tube 8 more smoothly, thereby improving practicality.

[0058] In order to facilitate the control of the opening and closing of the arc baffle 20; Figure 5 , Figure 6 As shown, the opening and closing control component includes:

[0059] A fixing frame 29, the fixing frame 29 is installed in the sampling tube 8;

[0060] A turntable 21 is rotatably mounted on a fixed frame 29 via an axis, a side surface of the turntable 21 is in a ring-shaped corrugated structure, and a slide groove 30 is provided on the side surface of the turntable 21;

[0061] A rotation driving unit, the rotation driving unit is used to drive the turntable 21 to rotate;

[0062] A ball head rod 28 is installed on one outer wall of the arc baffle 20. The ball head rod 28 is located on the side of the arc baffle 20 close to the turntable 21, and the ball head rod 28 is located on the side of the arc baffle 20 away from the knife-shaped structure edge of the arc baffle 20. One end of the ball head rod 28 slides in the slide groove 30, and the covering angle of the slide groove 30 to the ball head rod 28 is greater than 180°.

[0063] By setting up an opening and closing control component, the turntable 21 can be driven to rotate based on the rotation drive unit, thereby making the ball head rod 28 slide in the turntable 21. Since the side surface of the turntable 21 is in a corrugated structure, when the turntable 21 rotates, based on the limit of the slide groove 30, the position of the arc baffle 20 is adjusted by the ball head rod 28. When the ball head rod 28 slides from a raised position to a recessed position, one end of the arc baffle 20 is in an open state, thereby facilitating the collection of samples.

[0064] In order to facilitate the driving of the turntable 21; Figure 7 As shown, the rotation driving unit includes:

[0065] An opening and closing driving motor 23, the opening and closing driving motor 23 is mounted on a fixing frame 29;

[0066] An opening and closing driving gear 24, the shaft of which is drivingly connected to the output end of the opening and closing driving motor 23;

[0067] The turntable gear 22 is mounted on the shaft of the turntable 21 , and the turntable gear 22 is meshed with the opening and closing driving gear 24 .

[0068] In order to facilitate the driving of the drill rod body 4 and other structures to rotate; Figure 3 As shown, the drill rod driving unit includes:

[0069] A mounting seat 6, on which the uppermost end of the drill rod body 4 is rotatably mounted via a shaft;

[0070] A rotation drive motor 31, the rotation drive motor 31 is mounted on the mounting seat 6, and the output end of the rotation drive motor 31 is transmission-connected to the drive gear 2;

[0071] The driven gear 3 is mounted on the shaft of the drill pipe body 4 , and the driven gear 3 is meshed with the driving gear 2 .

[0072] In order to facilitate the control of the drilling rod body 4 lifting; Figure 1 , Figure 3 As shown, the lifting and lowering adjustment mechanism includes:

[0073] A lifting frame 15, in which the mounting seat 6 slides up and down;

[0074] A lifting screw 1, the lifting screw 1 is rotatably mounted on a lifting frame 15, and a mounting seat 6 is connected to an outer wall of the lifting screw 1 by threads;

[0075] The lifting drive motor 7 is installed on the lifting frame 15 , and the output end of the lifting drive motor 7 is drivingly connected to the lifting screw 1 .

[0076] In order to better crush; Figure 6 As shown, the arc-shaped baffle 20 is provided with evenly distributed auxiliary crushing teeth 27 on one side located in the sampling tube 8;

[0077] By providing the auxiliary crushing teeth 27, large samples can be better assisted in crushing, thereby avoiding the arc baffle 20 from getting stuck and improving reliability.

[0078] In order to better crush; Figure 5 As shown, the outer wall of the sampling tube 8 is provided with a plurality of arc-shaped blades 16, and the arc-shaped blades 16 are adapted to the trajectory of the spiral blades 9;

[0079] By providing the arc-shaped blade 16, better drilling can be performed without affecting the sampling capability, thereby improving reliability.

[0080] For ease of weighing; Figure 5 As shown, a weighing sensor assembly 25 is installed on the inner side of the bottom of the sampling tube 8, and a weighing seat 26 is installed on the weighing sensor assembly 25;

[0081] By providing the weighing sensor assembly 25 and the weighing seat 26 , it is possible to detect the sampling progress conveniently, thereby better controlling the opening and closing of the arc-shaped baffle 20 .

[0082] In order to facilitate the disassembly and assembly of the structure; Figure 4 As shown, the outer side of the end of the drill rod body 4 and the outer side of the end of the sampling tube 8 are both provided with an arc groove 19, and the same arc connecting plate 18 is detachably installed in the adjacent arc grooves 19 of the drill rod body 4 and the sampling tube 8 through fixing bolts 17;

[0083] By providing structures such as the arc-shaped connecting plate 18, the arc-shaped groove 19 can be used to realize the splicing and installation between the drill rod body 4 and the sampling tube 8, thereby improving practicality.

[0084] Embodiment 2:

[0085] A geological layer sampler, such as Figure 2As shown, in order to facilitate construction; this embodiment makes the following improvements on the basis of embodiment 1: a vehicle body 11 is provided on one side of the lifting frame 15, and the mounting frame 5 is mounted on the vehicle body 11;

[0086] By providing structures such as the vehicle body 11, mobile sampling can be performed more conveniently.

[0087] In order to facilitate the collection and storage of samples; Figure 2 As shown, a collection box 12 is provided on the vehicle body 11, a box cover 14 is hinged on the top of the collection box 12, and a plurality of partitions 13 are built into the collection box 12, and the partitions 13 divide the internal space of the collection box 12 into a plurality of partitions;

[0088] By providing structures such as the collecting box 12 and the partition 13, the samples can be better stored, thereby improving the practicality.

[0089] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A geological stratification sampler, characterized in that: It includes a drill rod sampling mechanism and a lifting and adjusting mechanism, wherein the drill rod sampling mechanism is installed on the lifting and adjusting mechanism, and the drill rod sampling mechanism includes: A drill rod body (4), the drill rod body (4) is arranged in sections, a continuous spiral blade (9) is arranged on the outside of the drill rod body (4), and a conical head (10) is arranged at the bottom end of the drill rod body (4) at the bottom; A sampling tube (8), the shape of which is adapted to the drill rod body (4), the sampling tube (8) is detachably installed between two sections of the drill rod body (4), and the interior of the sampling tube (8) is hollow; A drill rod driving unit, which is used to drive the drill rod to rotate; The sampling tube (8) is provided with sampling ports distributed in a circumference on the side thereof, and an arc-shaped baffle (20) is installed at the sampling port through an axis, the axis is located in the middle of the upper and lower ends of the arc-shaped baffle (20), and the thickness of one side edge of the arc-shaped baffle (20) gradually decreases, presenting a knife-like structure that is easy to cut; An opening and closing control component for controlling the opening and closing of the arc-shaped baffle (20) is arranged inside the sampling tube (8).

2. A geological layer sampler according to claim 1, characterized in that: The opening and closing control component comprises: A fixing frame (29), the fixing frame (29) is installed in the sampling tube (8); A turntable (21), the turntable (21) is rotatably mounted on a fixed frame (29) via an axis, the side surface of the turntable (21) is in a ring-shaped corrugated structure, and a slide groove (30) is provided on the side surface of the turntable (21); A rotation driving unit, the rotation driving unit is used to drive the turntable (21) to rotate; A ball head rod (28) is installed on an outer wall of one side of the arc baffle (20), the ball head rod (28) is located on a side of the arc baffle (20) close to the turntable (21), and the ball head rod (28) is located on a side of the arc baffle (20) away from the knife-shaped structure edge of the arc baffle (20), one end of the ball head rod (28) slides in the slide groove (30), and the covering angle of the slide groove (30) to the ball head rod (28) is greater than 180 degrees.

3. A geological layer sampler according to claim 2, characterized in that: The rotation driving unit comprises: An opening and closing driving motor (23), the opening and closing driving motor (23) is mounted on a fixing frame (29); An opening and closing driving gear (24), the shaft of which is drivingly connected to the output end of the opening and closing driving motor (23); The turntable gear (22) is mounted on the shaft of the turntable (21), and the turntable gear (22) is meshed with the opening and closing driving gear (24).

4. A geological layer sampler according to claim 3, characterized in that: The drill rod driving unit comprises: A mounting seat (6), the uppermost end of the drill rod body (4) being rotatably mounted on the mounting seat (6) via a shaft; A rotation drive motor (31), the rotation drive motor (31) is mounted on the mounting seat (6), and the output end of the rotation drive motor (31) is transmission-connected to the drive gear (2); A driven gear (3) is mounted on the shaft of the drill rod body (4), and the driven gear (3) is meshed with the driving gear (2).

5. A geological layer sampler according to claim 4, characterized in that: The lifting and lowering adjustment mechanism comprises: A lifting frame (15), wherein the mounting seat (6) slides up and down in the lifting frame (15); A lifting screw (1), the lifting screw (1) is rotatably mounted on a lifting frame (15), and a mounting seat (6) is connected to an outer wall of the lifting screw (1) via threads; A lifting drive motor (7) is installed on the lifting frame (15), and an output end of the lifting drive motor (7) is drivingly connected to the lifting screw rod (1).

6. A geological layer sampler according to claim 5, characterized in that: A side of the arc-shaped baffle (20) located inside the sampling tube (8) is provided with evenly distributed auxiliary crushing teeth (27); The outer wall of the sampling tube (8) is provided with a plurality of arc-shaped blades (16), and the arc-shaped blades (16) are adapted to the trajectory of the spiral blades (9).

7. A geological layer sampler according to claim 1, characterized in that: A weighing sensor assembly (25) is installed on the inner side of the bottom of the sampling tube (8), and a weighing seat (26) is installed on the weighing sensor assembly (25).

8. A geological layer sampler according to claim 1, characterized in that: The outer sides of the ends of the drill rod body (4) and the sampling tube (8) are both provided with arc-shaped grooves (19), and the same arc-shaped connecting plate (18) is detachably mounted in the adjacent arc-shaped grooves (19) of the drill rod body (4) and the sampling tube (8) via fixing bolts (17).

9. A geological layer sampler according to claim 1, characterized in that: A vehicle body (11) is provided on one side of the lifting frame (15), and the mounting frame (5) is mounted on the vehicle body (11).

10. A geological layer sampler according to claim 9, characterized in that: A collection box (12) is arranged on the vehicle body (11), a box cover (14) is hinged on the top of the collection box (12), and a plurality of partitions (13) are built into the collection box (12), and the partitions (13) divide the internal space of the collection box (12) into a plurality of partitions.

Images