Geological exploration deep soil and in-situ testing combined device

Abstract

The present application relates to geological exploration technical field, disclose geological exploration deep soil sampling and in-situ testing combined device, including mobile frame and installing sampling mechanism on mobile frame, sampling mechanism includes connecting assembly, connecting assembly includes the soil sampling cylinder for soil sampling in geological exploration;First detection assembly includes hollow detection disc that slides up and down in soil sampling cylinder inside;Second detection assembly includes hollow detection ring that slides up and down on the outer surface of soil sampling cylinder;First detection assembly makes hollow detection disc slide in the inner wall of soil sampling cylinder, if there is protrusion in the inner wall, hollow detection disc is intercepted, and the defect is prompted;Second detection assembly makes hollow detection ring slide in the outer wall of soil sampling cylinder, if there is protrusion in the outer wall, hollow detection ring is intercepted, realize two-way defect detection;At the same time, hollow detection disc and hollow detection ring are scraped in the sliding process, residual soil in the wall is removed, avoid the defect to be shielded, also prevent residual soil from affecting subsequent soil sampling, so that the soil sample is distorted, and reliable soil sample benchmark is provided for in-situ testing.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of geological exploration, and particularly relates to a geological exploration deep soil taking and in-situ testing combined device. BACKGROUND

[0002] The combined operation of deep soil taking and in-situ testing is to obtain the overall engineering properties of deep soil layers. Deep soil taking needs to collect undisturbed soil samples at a specified depth through the soil taking cylinder of a soil sampler to provide undisturbed samples for laboratory analysis of soil physical parameters. In-situ testing needs to be carried out in the original state of the soil layer relying on the soil taking hole to obtain the real mechanical response of the soil layer. The data of the two need to be verified and supplemented to form a complete and reliable geological exploration conclusion.

[0003] The soil taking cylinder used for the combined operation in the current industry is mostly made of high-strength metal material to adapt to the deep and complex environment. However, in long-term use, the cylinder wall is prone to millimeter-level slight concave or convex due to the impact of underground stones, friction with hard rock layers, mechanical stress caused by lowering and lifting the soil sampler, and collision caused by loading and unloading the soil sample. If the soil taking cylinder has slight concave, it will form local extrusion on the cohesive soil, causing the compression of soil sample pores and the high density of the soil sample, or causing the soil sample to be layered in sandy soil. If there is slight convex, it will scratch the soil layer and damage the continuity of the soil sample, especially for the easily lost soil layer such as silt, which is easy to cause the soil sample to be missing and layered. These distorted soil samples not only make the laboratory analysis data deviate from the actual situation, but also make the exploration personnel misjudge the soil layer distribution, thereby causing the in-situ testing range to be wrong, and making the measured data lose relevance.

[0004] However, in the process of the current deep soil taking of geological exploration, visual inspection is mainly used, which cannot accurately identify slight concave or convex, and the soil remaining on the inner and outer walls of the soil taking cylinder after soil taking will further block the defects and aggravate the detection blind area. Even if it is suspected that the soil taking cylinder has defects, it needs to be disassembled from the combined operation system for separate detection, and the remaining soil also needs to be cleaned separately after detection. Not only does this break the combined operation process, but also easily causes the positioning deviation of the soil taking cylinder due to disassembly and reassembly, affecting the accuracy of subsequent operation. SUMMARY

[0005] The present application aims to provide a geological exploration deep soil taking and in-situ testing combined device to solve the technical problem that the existing technology cannot accurately clean and detect the defects on the inner and outer walls of the soil taking cylinder.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] A combined device for deep soil sampling and in-situ testing in geological exploration includes a mobile frame and a sampling mechanism mounted on the mobile frame. The sampling mechanism includes: a connecting component comprising a soil sampling cylinder for soil sampling during geological exploration; a first detection component comprising a hollow detection disk that slides axially along the inner wall of the soil sampling cylinder; a second detection component comprising a hollow detection ring that slides axially along the outer wall of the soil sampling cylinder; and a driving component for driving the hollow detection disk and hollow detection ring to move on the soil sampling cylinder, facilitating the detection of whether there are depressions and protrusions on the cylinder wall of the soil sampling cylinder, and cleaning the residual soil inside and outside the soil sampling cylinder.

[0008] Preferably, the first detection component further includes: a first drive box on which a first hollow reciprocating screw is rotatably mounted; a first impeller located inside the first drive box and fixedly connected to the first hollow reciprocating screw; and a hollow threaded column threadedly connected to the first hollow reciprocating screw, on which an auxiliary rod fixedly connected to the first drive box is slidably mounted.

[0009] Preferably, the first detection component further includes: a telescopic rod, which is fixedly installed at the bottom end of the first hollow reciprocating screw, and a first connecting column is fixedly installed at its bottom end.

[0010] Preferably, the drive assembly includes: a second connecting pipe, which is fixedly connected to the right side of the first drive box; and a first connecting pipe, one end of which is fixedly connected to the left side of the first drive box, and the other end of which is fixedly connected to the top of the first drive box.

[0011] Preferably, the sampling mechanism further includes a cleaning component, which includes: a rotating disk rotatably mounted on the hollow detection disk, on which a plurality of second nozzles are fixedly mounted; and a pressure plate slidably mounted on the hollow detection disk and slidably connected to the first connecting column, and connected to the hollow detection disk through a plurality of third springs.

[0012] Preferably, the second detection component further includes: a second drive box, fixedly connected to the first drive box and fixedly connected to the second connecting pipe, on which a second hollow reciprocating screw is rotatably mounted; a second impeller, located inside the second drive box and fixedly connected to the second hollow reciprocating screw; and a threaded sleeve, threadedly connected to the second hollow reciprocating screw, on which two hollow connecting rods fixedly mounted are fixedly connected to the hollow detection ring.

[0013] Preferably, the second detection component further includes a hollow detection ring, which is fixedly connected to the hollow connecting rod; a pressure ring, which is slidably installed inside the hollow detection ring and connected to the hollow detection ring via multiple first springs; a second connecting post, which is fixedly installed inside the hollow detection ring and slidably connected to the pressure ring; and a first injection pipe, which is fixedly installed at the bottom of the hollow detection ring.

[0014] Preferably, the connecting assembly further comprises: an auxiliary pipe, which is in sliding connection with the hollow connecting rod, one end of which is fixedly connected with the second driving box, and the other end of which is fixedly connected with the soil taking cylinder.

[0015] Preferably, the driving assembly further comprises: a third connecting pipe, one end of which is fixedly connected with the second driving box, and the other end of which is fixedly connected with the hollow connecting rod.

[0016] Preferably, the sampling mechanism further comprises an extension assembly, which comprises: a fixed pipe, the inner wall of which is provided with a plurality of grooves; an extension column, which is slidingly installed in the fixed pipe and is fixedly provided with an indicating column; and a protruding block, which is slidingly installed in the extension column and is connected with the extension column through a second spring.

[0017] As described above, by adopting the technical scheme, the present application has the following beneficial effects:

[0018] 1. After taking soil, the first detection assembly and the second detection assembly are driven by the driving assembly, the hollow detection disc is made to slide on the inner wall of the soil taking cylinder by the first detection assembly, if there is a protrusion on the inner wall, the hollow detection disc is intercepted, and defects are prompted; the hollow detection ring is made to slide on the outer wall of the soil taking cylinder by the second detection assembly, if there is a protrusion on the outer wall, the hollow detection ring is intercepted, two-way defect detection is realized; at the same time, the hollow detection disc and the hollow detection ring are scraped to remove residual soil on the cylinder wall during the sliding process, so as to avoid that defects are shielded, and to prevent that residual soil affects subsequent soil taking and causes soil sample distortion, thereby providing a reliable soil sample benchmark for in-situ testing.

[0019] 2. When the water source enters the hollow detection ring, the water source extrudes the compression ring to compress the first spring, and is sprayed from the first spray pipe to flush the small soil impurities on the outer wall; when the water source enters the hollow detection disc, the water source extrudes the compression plate to compress the third spring, and the first hollow reciprocating wire rod drives the telescopic rod and the first connecting column to rotate, so that the rotating disc rotates to spray the second spray pipe, and the dead angle on the inner wall is flushed; the hollow detection disc and the hollow detection ring can avoid misjudgment caused by small soil being stuck between the hollow detection disc, the hollow detection ring and the cylinder wall, and the rotating spray can cover the area that cannot be sprayed in a single direction, so as to ensure complete cleaning and ensure detection accuracy.

[0020] 3. The fixed pipe in the application is respectively installed at the hollow detection disc and the hollow detection ring, when the water source enters the detection assembly, the extension column in the fixed pipe is synchronously extruded, the indicating column is driven to move, the protrusion on the extension column is clamped into the groove of the fixed pipe under the action of the second spring, the indicating column is positioned, the fitting degree of the hollow detection disc, the hollow detection ring and the soil sampling cylinder can be judged by observing the moving distance and the positioning state of the indicating column, if there is a gap due to manufacturing deviation or long-term wear, the moving distance of the indicating column is abnormal, the detection assembly is insufficient in adaptability, the detection assembly problem can be checked in advance, the small concave and convex leakage caused by poor fitting degree is avoided, and the accuracy of the soil sampling cylinder defect detection is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0022] Figure 1 It is a structural schematic diagram of the application;

[0023] Figure 2 It is an assembly structure schematic diagram of the sampling mechanism in the application;

[0024] Figure 3 It is an assembly structure schematic diagram of the driving assembly in the application;

[0025] Figure 4 It is an assembly structure schematic diagram of the first detection assembly in the application;

[0026] Figure 5 It is an enlarged schematic diagram of A part of the application; Figure 4

[0027] Figure 6 It is an assembly structure schematic diagram of the telescopic rod and the first connecting column in the application;

[0028] Figure 7 It is an assembly structure schematic diagram of the extension assembly in the application;

[0029] Figure 8 It is an internal structure schematic diagram of the extension column in the application;

[0030] Figure 9 It is an assembly structure schematic diagram of the second detection assembly in the application;

[0031] Figure 10 It is an enlarged schematic diagram of B part of the application; Figure 9 ​​

[0032] 100, moving frame; 200, sampling mechanism; 210, driving assembly; 211, first connecting pipe; 212, second connecting pipe; 213, third connecting pipe; 214, connecting frame; 220, first detecting assembly; 221, first driving box; 222, first impeller; 223, first hollow reciprocating screw rod; 224, hollow threaded column; 225, auxiliary rod; 226, first connecting column; 227, telescopic rod; 228, hollow detecting disc; 230, second detecting assembly; 231, second impeller; 232, second driving box; 233, second hollow reciprocating screw rod; 234, second connecting column; 235, hollow connecting rod; 236, threaded sleeve; 237, hollow detecting ring; 238, first spraying pipe; 239, first spring; 2391, pressing ring; 240, connecting assembly; 241, auxiliary pipe; 242, soil sampling cylinder; 250, extending assembly; 251, fixed pipe; 252, extending column; 253, indicating column; 254, groove; 255, protruding block; 256, second spring; 260, cleaning assembly; 261, second spraying pipe; 262, rotating disc; 263, third spring; 264, pressing plate. DETAILED DESCRIPTION

[0033] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work should belong to the protection scope of the present application.

[0034] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other embodiments that depart from the specific details disclosed herein. Thus, the present application is not intended to be limited to the embodiments described herein.

[0035] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not refer to the same embodiment, nor is it an embodiment that is separate or selectively excluded from other embodiments.

[0036] The present application is described in detail with reference to the accompanying drawings. In the detailed description of the embodiments of the present application, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the accompanying drawings are only examples, which should not limit the protection scope of the present application. In addition, the three-dimensional spatial dimensions including length, width and depth should be included in the actual manufacture.

[0037] Meanwhile, in the description of the present application, it should be noted that the terms "first", "second" or "third" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance.

[0038] Unless otherwise defined and limited in the description of the application, the terms "mounting, connecting, linking" should be interpreted broadly, for example: it can be fixed connection, detachable connection or integral connection; it can also be mechanical connection, electrical connection or direct connection, it can also be indirectly connected through intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] Embodiment 1: As shown in the figure, the geological exploration deep soil sampling and in-situ testing combined device includes a moving frame 100 and a sampling mechanism 200 installed on the moving frame 100. The sampling mechanism 200 includes a driving assembly 210, a first detection assembly 220, a second detection assembly 230, a connecting assembly 240, an extension assembly 250 and a cleaning assembly 260. Figures 1 to 10 The connecting assembly 240 includes a soil sampling cylinder 242 for soil sampling in geological exploration; the first detection assembly 220 includes a hollow detection disc 228 sliding up and down inside the soil sampling cylinder 242; the second detection assembly 230 includes a hollow detection ring 237 sliding up and down on the outer surface of the soil sampling cylinder 242; the driving assembly 210 is used to drive the hollow detection disc 228 and the hollow detection ring 237 to move on the soil sampling cylinder 242, and to detect whether there are recesses and protrusions on the wall of the soil sampling cylinder 242 and to clean the residual soil inside and outside the soil sampling cylinder 242 by means of the hollow detection disc 228 and the hollow detection ring 237 moving up and down.

[0040]

[0041] ​It should be noted that by moving the frame 100, the soil sampling tube 242 can be moved to the position where soil sampling is needed, and by controlling the control cabinet of the moving frame 100, the soil sampling tube 242 can be rotated and moved downward, thereby penetrating into the soil to sample the soil. However, since the soil contains not only soil but also some gravel and metal substances, these substances will come into contact with the soil sampling tube 242 or be pressed against each other, which will cause the wall of the soil sampling tube 242 to be concave or convex over a long period of time. The concave and convex wall of the soil sampling tube 242 will destroy the undisturbed nature of the soil sample, resulting in a loss of reliable reference benchmark for subsequent in-situ testing. Therefore, after each soil sampling by the soil sampling tube 242 and after the soil in the soil sampling tube 242 is removed, the hollow detection ring 237 and the hollow detection disc 228 can be driven by the driving assembly 210 to move on the soil sampling tube 242. Since the hollow detection ring 237 and the hollow detection disc 228 are in close contact with the soil sampling tube 242, the soil on the inner wall and the outer surface of the soil sampling tube 242 can be cleaned during the upward and downward movement of the hollow detection ring 237 and the hollow detection disc 228. In addition, the hollow detection ring 237 and the hollow detection disc 228 can detect whether there is a concave or convex on the wall of the soil sampling tube 242. If the wall of the soil sampling tube 242 is concave or convex, it will affect the movement of one of the hollow detection ring 237 and the hollow detection disc 228, thereby facilitating the detection of the soil sampling tube 242 and timely repairing or replacing a new soil sampling tube 242 for use, so as to avoid the use of a soil sampling tube 242 with concave or convex for soil sampling, which will destroy the undisturbed nature of the soil and affect the subsequent test data.

[0042] As shown in Figures 2 to 6 The first detection assembly 220 further includes a first driving box 221, a first impeller 222, a first hollow reciprocating screw rod 223, a hollow threaded column 224, an auxiliary rod 225, a first connecting column 226, and an extension rod 227.

[0043] The first hollow reciprocating screw rod 223 is rotatably installed on the first driving box 221; the first impeller 222 is located inside the first driving box 221, and the first impeller 222 is fixedly connected with the first hollow reciprocating screw rod 223; the hollow threaded column 224 is threadedly connected with the first hollow reciprocating screw rod 223, and the auxiliary rod 225 fixedly connected with the first driving box 221 is slidably installed on the hollow threaded column 224; the hollow detection disc 228 is fixedly connected with the hollow threaded column 224; the extension rod 227 is fixedly installed at the bottom end of the first hollow reciprocating screw rod 223, and the first connecting column 226 is fixedly installed at the bottom end of the extension rod 227; the extension rod 227 is fixedly connected with the first hollow reciprocating screw rod 223, and does not completely block the bottom end of the first hollow reciprocating screw rod 223, leaving a gap to ensure water flow.

[0044] The driving assembly 210 includes a first connecting pipe 211, a second connecting pipe 212, a third connecting pipe 213, and a connecting frame 214.

[0045] The second connecting pipe 212 is fixedly connected to the right side of the first driving box 221; one end of the first connecting pipe 211 is fixedly connected to the left side of the first driving box 221, and the other end of the first connecting pipe 211 is fixedly connected to the top of the first driving box 221.

[0046] It should be noted that the second connecting pipe 212 is first connected to the water supply device outside, so that the water supply device provides a water source. In this way, the water source enters the first driving box 221 through the second connecting pipe 212, so that the first impeller 222 in the first driving box 221 rotates. The rotation of the first impeller 222 drives the first hollow reciprocating screw rod 223 to rotate, and the rotation of the first hollow reciprocating screw rod 223 drives the hollow threaded column 224 to move up and down. The hollow detection disc 228 connected to the hollow threaded column 224 can move up and down in the soil taking cylinder 242, which not only cleans the impurities on the inner wall, but also detects whether there is a protrusion. If there is a protrusion, the hollow detection disc 228 will be intercepted due to the adhesion of the soil taking cylinder 242 and the hollow detection disc 228, so that the hollow detection disc 228 cannot move from the protrusion. Therefore, it can be known that the soil taking cylinder 242 cannot be used normally, and the soil taken by the soil taking cylinder 242 and the soil layer opened this time are all problematic and do not have the value of in-situ testing. Therefore, the soil taking cylinder 242 can be replaced in time, and soil taking and in-situ testing can be performed again.

[0047] Since the movement of the hollow detection disc 228 is driven by the water source, when the hollow detection disc 228 encounters a protrusion and cannot move, the water source can still flow, and the hollow detection disc 228 can not move. Therefore, the hollow detection disc 228 is effectively prevented from being damaged due to excessive extrusion of the protrusion.

[0048] As shown in Figure 4 and Figure 5 , the cleaning assembly 260 includes a second spray pipe 261, a rotating disc 262, a third spring 263, and a pressing plate 264.

[0049] The rotating disc 262 is rotatably installed on the hollow detection disc 228, and a plurality of second spray pipes 261 are fixedly installed on the rotating disc 262. The pressing plate 264 is slidably installed on the hollow detection disc 228, the third spring 263 is slidably connected to the first connecting column 226, and the third spring 263 is connected to the hollow detection disc 228 through a plurality of third springs 263.

[0050] It should be noted that, since water source driving is adopted, after the water source entering the first driving box 221 drives the first impeller 222 to rotate, it will enter the inside of the first hollow reciprocating screw rod 223 through the first driving box 221, then it will be discharged into the inside of the hollow detection disc 228 through the first hollow reciprocating screw rod 223, and it will continuously extrude the pressing plate 264, so that the pressing plate 264 is compressed to move downward by the third spring 263, until the pressing plate 264 is separated from the telescopic rod 227, so that the water source will enter below the pressing plate 264 through the pressing plate 264, and be sprayed out from the second spray pipe 261, and since the first hollow reciprocating screw rod 223 continuously drives the telescopic rod 227 to rotate, the telescopic rod 227 will drive the rotating disc 262 to rotate through the first connecting column 226, so that the second spray pipe 261 installed on the rotating disc 262 will rotate while spraying the water source, and the sprayed water source will act on the inner wall of the soil sampling cylinder 242 to clean the soil, further play a cleaning effect, and effectively avoid some small impurities in the soil from being stuck between the hollow detection disc 228 and the soil sampling cylinder 242, causing the hollow detection disc 228 to be unable to move, making the operator mistakenly think that there is a protrusion on the inner wall of the soil sampling cylinder 242, causing incorrect judgment and affecting in-situ testing.

[0051] As shown in Figure 9 and Figure 10 , the second detection assembly 230 includes a second impeller 231, a second driving box 232, a second hollow reciprocating screw rod 233, a second connecting column 234, a hollow connecting rod 235, a threaded sleeve 236, a hollow detection ring 237, a first spray pipe 238, a first spring 239, and a pressing ring 2391.

[0052] The second driving box 232 is fixedly connected with the first driving box 221, the second driving box 232 is fixedly connected with the second connecting pipe 212, and the second hollow reciprocating screw rod 233 is rotatably installed on the second driving box 232; the second impeller 231 is located inside the second driving box 232, and the second impeller 231 is fixedly connected with the second hollow reciprocating screw rod 233; the threaded sleeve 236 is threadedly connected with the second hollow reciprocating screw rod 233, and two hollow connecting rods 235 are fixedly installed on the threaded sleeve 236; the hollow detection ring 237 is fixedly connected with the hollow connecting rod 235; the pressing ring 2391 is slidably installed inside the hollow detection ring 237, and the pressing ring 2391 is connected with the hollow detection ring 237 through a plurality of first springs 239; the second connecting column 234 is fixedly installed inside the hollow detection ring 237, and the second connecting column 234 is slidably connected with the pressing ring 2391; and the first spray pipe 238 is fixedly installed at the bottom of the hollow detection ring 237.

[0053] As shown in Figure 2 and Figure 3As shown, the auxiliary pipe 241 is slidingly connected with the hollow connecting rod 235, one end of the auxiliary pipe 241 is fixedly connected with the second driving box 232, and the other end of the auxiliary pipe 241 is fixedly connected with the soil taking cylinder 242; one end of the third connecting pipe 213 is fixedly connected with the second driving box 232, and the other end of the third connecting pipe 213 is fixedly connected with the hollow connecting rod 235.

[0054] It should be noted that when the second connecting pipe 212 is connected with the water source, the water source will also enter the inside of the second driving box 232, so that the second impeller 231 inside the second driving box 232 rotates, the rotation of the second impeller 231 drives the second hollow reciprocating screw rod 233 to rotate, the rotation of the second hollow reciprocating screw rod 233 drives the threaded sleeve 236 and the second hollow reciprocating screw rod 233 to move up and down, the up and down movement of the second hollow reciprocating screw rod 233 drives the hollow detection ring 237 to move up and down, and since the hollow detection ring 237 is attached to the outer surface of the soil taking cylinder 242, the hollow detection ring 237 can clean the soil on the outer surface of the soil taking cylinder 242 and detect whether there is a protrusion on the outer surface of the soil taking cylinder 242, so that the inside and outside walls of the soil taking cylinder 242 are detected by the hollow detection ring 237 and the hollow detection disc 228, and the phenomenon of whether the wall of the soil taking cylinder 242 is concave or convex can be comprehensively detected.

[0055] Moreover, the water source entering the inside of the second driving box 232 will enter the hollow connecting rod 235 through the third connecting pipe 213, and then the water source will enter the hollow detection ring 237 through the hollow connecting rod 235, the water source will press the compression ring 2391, and the compression ring 2391 will move down to the recess of the second connecting column 234, so that the water source can flow below the compression ring 2391 and be sprayed out from the first spraying pipe 238, and the sprayed water source can clean the soil on the soil taking cylinder 242, avoiding that some small impurities in the soil are stuck between the hollow detection ring 237 and the soil taking cylinder 242, causing the hollow detection ring 237 to be unable to move, and making the operator mistakenly think that there is a protrusion on the inner wall of the soil taking cylinder 242, resulting in incorrect judgment and affecting the in-situ test.

[0056] The working principle of the embodiment is as follows:

[0057] In the deep soil taking operation of geological exploration, the sampling mechanism 200 is first moved to the target soil taking position by the moving frame 100, the control cabinet of the moving frame 100 is controlled, the soil taking cylinder 242 of the connecting assembly 240 is rotated and moved down, and is deeply inserted into the soil to complete soil taking; after soil taking, the soil sample in the soil taking cylinder 242 is taken out, and then the driving assembly 210 is started to detect defects and clean residual soil of the soil taking cylinder 242: the second connecting pipe 212 of the driving assembly 210 is connected with the external water supply equipment, the water source transported by the water supply equipment is transported through the second connecting pipe 212 in two ways, one way is to enter the first driving box 221 of the first detection assembly 220, and the other way is to enter the second driving box 232 of the second detection assembly 230.

[0058] The water source entering the first drive box 221 drives the internal first impeller 222 to rotate, and the first impeller 222 drives the first hollow reciprocating screw rod 223 to rotate synchronously; the first hollow reciprocating screw rod 223 is in threaded connection with the hollow threaded column 224, and the hollow threaded column 224 cannot rotate with the first hollow reciprocating screw rod 223 under the limiting action of the auxiliary rod 225 and the first drive box 221 being fixed, but can only move up and down along the first hollow reciprocating screw rod 223; the hollow detection disc 228 is driven by the hollow threaded column 224 to slide up and down synchronously inside the soil taking cylinder 242, and in the sliding process, the hollow detection disc 228 is attached to the inner wall of the soil taking cylinder 242, which scrapes off the residual soil on the inner wall on one hand, and on the other hand, if there is a protrusion on the inner wall, the protrusion will intercept the hollow detection disc 228, so that it cannot continue to move, prompting that there is a defect on the inner wall of the soil taking cylinder 242; at the same time, the first hollow reciprocating screw rod 223 drives the telescopic rod 227 and the first connecting column 226 at the bottom to rotate synchronously, and the water source entering the first drive box 221 also flows into the hollow detection disc 228 through the internal channel of the first hollow reciprocating screw rod 223, extrudes the pressing plate 264 of the cleaning assembly 260, and makes the pressing plate 264 compress the third spring 263 to move downward until the pressing plate 264 is separated from the telescopic rod 227, the water source enters the rotating disc 262 area, the first connecting column 226 drives the rotating disc 262 to rotate, the second spray pipe 261 on the rotating disc 262 rotates and sprays water source at the same time, flushes the dead angle of the inner wall of the soil taking cylinder 242, and avoids that the residual small soil causes detection misjudgment.

[0059] The water source entering the second drive box 232 drives the internal second impeller 231 to rotate, and the second impeller 231 drives the second hollow reciprocating screw rod 233 to rotate synchronously; the second hollow reciprocating screw rod 233 is in threaded connection with the threaded sleeve 236, the threaded sleeve 236 drives the two hollow connecting rods 235 to move up and down, and the hollow connecting rod 235 drives the hollow detection ring 237 to slide up and down synchronously on the outer surface of the soil taking cylinder 242, and in the sliding process, the hollow detection ring 237 is attached to the outer wall of the soil taking cylinder 242, which scrapes off the residual soil on the outer wall on one hand, and on the other hand, if there is a protrusion on the outer wall, the protrusion will intercept the hollow detection ring 237, so that it cannot continue to move, prompting that there is a defect on the outer wall of the soil taking cylinder 242; at the same time, the water source entering the second drive box 232 also flows into the hollow connecting rod 235 through the third connecting pipe 213, and then enters the inside of the hollow detection ring 237, extrudes the pressing ring 2391, and makes the pressing ring 2391 compress the first spring 239 to move downward along the second connecting column 234 until the pressing ring 2391 moves to the recessed place of the second connecting column 234, the water source is sprayed out from the first spray pipe 238 at the bottom of the hollow detection ring 237, flushes the residual small soil on the outer wall of the soil taking cylinder 242, and further ensures the accuracy of defect detection.

[0060] If the hollow detection disc 228 and the hollow detection ring 237 can slide up and down smoothly, it indicates that the soil sampling cylinder 242 has no concave and convex that affect the original state of the soil sample, and can continue to be used for subsequent soil sampling operation, ensuring the reliability of subsequent in-situ test data; if any detection component is intercepted, the soil sampling cylinder 242 needs to be repaired or replaced to avoid using a defective soil sampling cylinder 242 to cause distortion of the soil sample.

[0061] Embodiment 2: as shown in the other parts are the same as embodiment 1, the difference between this embodiment and embodiment 1 is: Figures 5 to 10

[0062] The extension assembly 250 includes a fixed tube 251, an extension column 252, an indicating column 253, a groove 254, a protrusion 255, and a second spring 256.

[0063] The fixed tube 251 has a plurality of grooves 254 on the inner wall thereof; the extension column 252 is slidingly installed inside the fixed tube 251, and the indicating column 253 is fixedly installed on the extension column 252; the protrusion 255 is slidingly installed inside the extension column 252, and the protrusion 255 is connected with the extension column 252 through the second spring 256.

[0064] The working principle of this embodiment is: if the hollow detection disc 228 or the hollow detection ring 237 has a gap with the soil sampling cylinder 242 due to manufacturing process deviation or long-term wear, the gap will make the hollow detection disc 228 or the extension rod 227 unable to detect some small concave and convex, thereby affecting the accuracy of in-situ test.

[0065] A plurality of extension assemblies 250 are respectively installed at the hollow detection disc 228 and the hollow detection ring 237; when at the hollow detection disc 228, the water source will first press the pressing plate 264 to make the pressing plate 264 move downward, and then the water source can be discharged; when at the hollow detection ring 237, the water source will first press the pressing ring 2391 to make the pressing ring 2391 move downward, and then the water source can be discharged; in this way, the water source will also press inside the fixed tube 251 to press the extension column 252 inside the fixed tube 251, so that the extension column 252 will drive the indicating column 253 to move, and due to the action of the protrusion 255 and the second spring 256, after the indicating column 253 moves, it will be positioned by the combination of the protrusion 255 and the groove 254, and through the moving distance of the indicating column 253, if ≤0.5mm, it is determined to be matched, and the matching gap of the hollow detection disc 228, the hollow detection ring 237 and the soil sampling cylinder 242 is detected; if matched, the detection component can work normally, if not matched, the detection component needs to be replaced to ensure the concave / convex detection precision, avoid the situation that the size does not meet and long-term use appears wear, and affect the normal detection of the hollow detection disc 228 and the hollow detection ring 237 on the soil sampling cylinder 242.

[0066] Embodiment 3: as shown in the other parts are the same as embodiment 1, the difference between this embodiment and embodiment 1 is: Figures 1 to 10 ​As shown, in other parts are the same as example 1, the embodiment is different from example 1 in that:

[0067] When the soil is taken, the first detection assembly 220 and the second detection assembly 230 are used to detect defects of the soil taking cylinder 242 (the detection content is the concave and convex of the cylinder wall of the soil taking cylinder 242), and the residual soil is cleaned; if there is no defect, the initial density, water content and other reference data of the soil sample laboratory analysis are recorded.

[0068] The vertical soil taking hole (the hole diameter matches the soil taking cylinder 242, and there is no risk of hole collapse) formed after the device takes soil does not need additional drilling, and the standard penetrometer is directly lowered to the test depth through the hole.

[0069] The 76cm free-fall hammering penetrometer is used to record the number of hammering (N value) required for 30cm penetration; every 1-2m interval is tested at one depth point, and the test range needs to cover the corresponding soil layer interval of the soil sample collected by the soil taking cylinder 242.

[0070] If the soil taking cylinder 242 has no defects, the N value of the standard penetration test should be positively correlated with the compactness measured in the laboratory (for example, the N value of sandy soil ≥30 corresponds to the compact state, and the dry density measured in the laboratory should be ≥1.9g / cm³); if there is a data deviation, the device needs to be rechecked whether there is a subtle defect in the soil taking cylinder 242.

[0071] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0072] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, and the application is not limited to the specific embodiments. Obviously, many modifications and changes can be made according to the content of the specification. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and use the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A combined device for deep soil sampling and in-situ testing in geological exploration, comprising a mobile frame (100) and a sampling mechanism (200) mounted on the mobile frame (100), characterized in that, The sampling mechanism (200) includes: The connecting assembly (240) includes a soil sampling tube (242) for soil sampling during geological exploration. The first detection component (220) includes a hollow detection disk (228) that slides axially along the inner wall of the soil sampling cylinder (242). The second detection component (230) includes a hollow detection ring (237) that slides axially along the outer wall of the soil sampling cylinder (242). The drive assembly (210) is used to drive the hollow detection disk (228) and the hollow detection ring (237) to move on the soil sampling cylinder (242), so that the hollow detection disk (228) and the hollow detection ring (237) can detect whether there are depressions and protrusions on the wall of the soil sampling cylinder (242) and clean the soil remaining inside and outside the soil sampling cylinder (242); The first detection component (220) further includes: The first drive box (221) has a first hollow reciprocating screw (223) rotatably mounted on it. The first impeller (222) is located inside the first drive box (221) and is fixedly connected to the first hollow reciprocating screw (223); A hollow threaded column (224) is threadedly connected to the first hollow reciprocating screw (223), and an auxiliary rod (225) that is fixedly connected to the first drive box (221) is slidably mounted on it. The first detection component (220) further includes: A hollow detection disc (228) is fixedly connected to the hollow threaded post (224); The telescopic rod (227) is fixedly installed at the bottom end of the first hollow reciprocating screw (223), and a first connecting column (226) is fixedly installed at its bottom end. The sampling mechanism (200) further includes a cleaning component (260), which includes: A rotating disk (262) is rotatably mounted on the hollow detection disk (228), and several second nozzles (261) are fixedly mounted on it. The pressure plate (264) is slidably mounted on the hollow detection disk (228) and slidably connected to the first connecting post (226), and is connected to the hollow detection disk (228) through a plurality of third springs (263); The second detection component (230) also includes: The second drive box (232) is fixedly connected to the first drive box (221) and fixedly connected to the second connecting pipe (212), and a second hollow reciprocating screw (233) is rotatably mounted on it. The second impeller (231) is located inside the second drive box (232) and is fixedly connected to the second hollow reciprocating screw (233); A threaded sleeve (236) is threadedly connected to the second hollow reciprocating screw (233), and two hollow connecting rods (235) that are fixedly connected to the hollow detection ring (237) are fixedly installed on it. The second detection component (230) also includes: A pressure ring (2391) is slidably installed inside the hollow detection ring (237) and connected to the hollow detection ring (237) by a plurality of first springs (239); The second connecting post (234) is fixedly installed inside the hollow detection ring (237) and slidably connected to the pressure ring (2391); The first injection pipe (238) is fixedly installed at the bottom of the hollow detection ring (237).

2. The combined device for deep soil sampling and in-situ testing in geological exploration according to claim 1, characterized in that, The driving component (210) includes: The second connecting pipe (212) is fixedly connected to the right side of the first drive box (221); The first connecting tube (211) has one end fixedly connected to the left side of the first drive box (221) and the other end fixedly connected to the top of the first drive box (221).

3. The combined device for deep soil sampling and in-situ testing in geological exploration according to claim 2, characterized in that, The connection component (240) further includes: The auxiliary tube (241) is slidably connected to the hollow connecting rod (235), one end of which is fixedly connected to the second drive box (232), and the other end of which is fixedly connected to the soil sampling tube (242).

4. The combined device for deep soil sampling and in-situ testing in geological exploration according to claim 3, characterized in that, The drive component (210) further includes: The third connecting tube (213) is fixedly connected at one end to the second drive box (232) and at the other end to the hollow connecting rod (235).

5. The combined device for deep soil sampling and in-situ testing in geological exploration according to claim 1, characterized in that, The sampling mechanism (200) further includes an extension component (250), the extension component (250) comprising: The fixed tube (251) has several grooves (254) on its inner wall; An extension column (252) is slidably installed inside the fixed tube (251), and an indicator column (253) is fixedly installed on it. The protrusion (255) is slidably mounted inside the extension post (252) and connected to the extension post (252) by a second spring (256).

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