Drilling and soil sampling device for soil detection

Abstract

The utility model belongs to the technical field of geological detection, and discloses a drilling and soil sampling device for soil detection, which comprises a partition plate, a hydraulic cylinder is fixedly connected to the outer wall of the top end of the partition plate, a fixed pipe is fixedly connected to the outer wall of the bottom end of the partition plate, and a driving rod is slidably connected to the inner wall of the fixed pipe. A supporting mechanism is arranged on the outer wall of the fixed pipe; the supporting mechanism comprises a sliding block, a supporting rod is hinged to the outer wall of the sliding block through a connecting rod, a ground cone is fixedly connected to the outer wall of the supporting rod, and a fixing block A is fixedly connected to the outer wall of the sliding block; according to the soil sampling device, the sliding block moves downwards to drive the supporting rod to be unfolded outwards, so that the ground cone is inserted into soil, stable support can be provided for the whole device, the soil sampling pipe can be kept to vertically and downwards sample soil in the soil sampling process, and the problems that the soil sampling pipe inclines due to lack of stable support during soil sampling, and normal soil sampling is affected are solved.

Description

Technical Field

[0001] This utility model belongs to the field of geological testing technology, specifically a drilling and soil sampling device for soil testing. Background Technology

[0002] A borehole sampling device for soil testing is a specially designed tool that can drill holes of a certain depth in the soil using mechanical power or manual operation, and can completely extract soil samples from the holes. These samples can be used to test many aspects of the soil's physical, chemical, and biological properties, thus providing basic data support for many fields such as soil quality assessment, agricultural planting planning, and environmental monitoring.

[0003] Some existing drilling and soil sampling devices use hydraulic cylinders to drive a sampling pipe into the ground for soil sampling. The sampling pipe needs to be kept vertical when it is inserted into the ground in order not to damage the vertical layering structure of the soil sample and to ensure that the soil is completely obtained according to the designed depth and diameter. However, in some existing technologies, the device itself does not have a support structure, so during operation, the operator needs to hold the device to keep the sampling pipe vertical, which can easily lead to operator fatigue. Moreover, manual support cannot completely ensure that the sampling pipe is inserted vertically into the ground, and it may still tilt to some extent. Therefore, a drilling and soil sampling device for soil testing is proposed to address the above problems. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a drilling and soil sampling device for soil testing, which solves the problem that the sampling pipe may tilt and extend into the ground due to the lack of support in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a drilling and soil sampling device for soil testing, comprising a partition, a hydraulic cylinder fixedly connected to the top outer wall of the partition, a fixed pipe fixedly connected to the bottom outer wall of the partition, an active rod slidably connected to the inner wall of the fixed pipe, and a support mechanism provided on the outer wall of the fixed pipe.

[0006] The support mechanism includes a slider, a support rod hinged to the outer wall of the slider via a connecting rod, a ground cone fixedly connected to the outer wall of the support rod, a fixing block A fixedly connected to the outer wall of the slider, an insert block elastically connected to the inner wall of the fixing block A via a connecting spring, a pull rod fixedly connected to the outer wall of the insert block, a fixing block B fixedly connected to the outer wall of the active rod, a locking block elastically connected to the inner wall of the fixing block B via a telescopic spring, a soil sampling pipe locking to the inner wall of the active rod, a locking groove formed on the outer wall of the soil sampling pipe, and a slot formed on the outer wall of the fixing pipe.

[0007] Preferably, the active rod passes through the outer wall of the partition, and the slider is slidably connected to the outer wall of the fixed tube.

[0008] Preferably, one end of the connecting rod is hinged to the outer wall of the slider, the other end of the connecting rod is hinged to the outer wall of the support rod, and the support rod is hinged to the bottom outer wall of the partition.

[0009] Preferably, one end of the connecting spring is fixedly connected to the outer wall of the insert block, and the other end of the connecting spring is fixedly connected to the inner wall of the fixing block A.

[0010] Preferably, the outer wall of the insert block is slidably connected to the inner wall of the fixing block A, the insert block is engaged with the slot, and the pull rod passes through the outer wall of the fixing block A.

[0011] Preferably, one end of the telescopic spring is fixedly connected to the outer wall of the locking block, and the other end of the telescopic spring is fixedly connected to the inner wall of the fixing block B.

[0012] Preferably, the outer wall of the card block is slidably connected to the inner wall of the fixing block B, and the card block is engaged with the card slot.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] This invention releases the slider's limit by pulling the lever, allowing the slider to move downwards. The connecting rod can then flip to extend the support rod outwards, and the extended state is fixed by the insertion block engaging with the slot, allowing the ground cone to be inserted into the soil. This provides relatively stable support for the entire device and keeps the soil extraction pipe vertically downwards during the soil extraction process, avoiding the problem of the soil extraction pipe tilting due to lack of stable support, which would affect the normal soil extraction process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0016] Figure 2 This is a schematic diagram of the support mechanism structure of this utility model;

[0017] Figure 3 This is a cross-section of the fixed pipe and a schematic diagram of the disassembled structure of the soil sampling pipe of this utility model.

[0018] Figure 4 This utility model Figure 3 Enlarged structural diagram of section A;

[0019] Figure 5 This utility model Figure 3 Enlarged structural diagram of section B.

[0020] In the diagram: 1. Partition plate; 2. Fixed pipe; 3. Support mechanism; 301. Slider; 302. Connecting rod; 303. Support rod; 304. Ground cone; 305. Fixed block A; 306. Connecting spring; 307. Insert block; 308. Pull rod; 4. Hydraulic cylinder; 5. Active rod; 6. Soil sampling pipe; 7. Fixed block B; 8. Slot; 9. Locking block; 10. Telescopic spring; 11. Slot. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 5 As shown, this utility model provides a drilling and soil sampling device for soil testing, including a partition 1. A hydraulic cylinder 4 is fixedly connected to the top outer wall of the partition 1, and a fixed pipe 2 is fixedly connected to the bottom outer wall of the partition 1. An active rod 5 is slidably connected to the inner wall of the fixed pipe 2, and a support mechanism 3 is provided on the outer wall of the fixed pipe 2. The support mechanism 3 includes a slider 301, a support rod 303 is hinged to the outer wall of the slider 301 through a connecting rod 302, a ground cone 304 is fixedly connected to the outer wall of the support rod 303, a fixed block A305 is fixedly connected to the outer wall of the slider 301, an insert block 307 is elastically connected to the inner wall of the fixed block A305 through a connecting spring 306, a pull rod 308 is fixedly connected to the outer wall of the insert block 307, a fixed block B7 is fixedly connected to the outer wall of the active rod 5, a locking block 9 is elastically connected to the inner wall of the fixed block B7 through a telescopic spring 10, a soil sampling pipe 6 is locked to the inner wall of the active rod 5, a locking groove 11 is opened on the outer wall of the soil sampling pipe 6, and a slot 8 is opened on the outer wall of the fixed pipe 2.

[0023] The above scheme provides a stable mounting base for the hydraulic cylinder 4, enabling it to operate steadily and apply force. The bottom of the partition 1 is connected to the fixing pipe 2, ensuring its stability and providing a connection point for some components of the support mechanism 3. This provides a crucial fulcrum for the expansion and contraction of the support mechanism 3. The hydraulic cylinder 4 is one of the power sources for the entire drilling and soil extraction device. Its movable end is fixedly connected to the horizontal plate at the top of the drive rod 5. When the hydraulic cylinder 4 is activated, it generates a telescopic motion that acts on the drive rod 5, causing it to slide up and down within the fixing pipe 2, thereby driving the soil extraction pipe 6 forward. The device performs soil entry and exit operations to collect soil. The fixed tube 2 provides a guide track for the up and down movement of the active rod 5, ensuring that the active rod 5 can only move in a stable linear direction along the axial direction of the fixed tube 2 during operation. Its outer wall is tightly fitted with the support mechanism 3, and the slider 301 can slide on the outer wall of the fixed tube 2, thereby driving the support rod 303 to unfold or retract through the connecting rod 302. The slot 8 on the outer wall of the fixed tube 2 provides a snap-fit ​​position for the insert 307. When the insert 307 is inserted into the slot 8, the support mechanism 3 can be positioned on the fixed tube 2, thereby ensuring that the entire device maintains a stable support state during operation.

[0024] like Figure 1 and Figure 2 As shown, the slot 8 is provided with two sets, upper and lower. When the slider 301 moves to the position where the insert 307 engages with the upper set of slots 8, the three sets of support rods 303 remain in a retracted state. When the slider 301 moves to the position where the insert 307 engages with the lower set of slots 8, the three sets of support rods 303 unfold for fixed support. When the slider 301 moves to the position where the insert 307 corresponds to the position of the set of slots 8, the pull rod 308 is released. Under the elastic force of the connecting spring 306, it can pop out and engage with the slot 8, thereby fixing the position of the slider 301.

[0025] like Figures 1 to 5 As shown, the active rod 5 passes through the outer wall of the partition 1, and the slider 301 is slidably connected to the outer wall of the fixed tube 2; one end of the connecting rod 302 is hinged to the outer wall of the slider 301, and the other end of the connecting rod 302 is hinged to the outer wall of the support rod 303, which is hinged to the bottom outer wall of the partition 1; one end of the connecting spring 306 is fixedly connected to the outer wall of the insert block 307, and the other end of the connecting spring 306 is fixedly connected to the inner wall of the fixed block A305; the outer wall of the insert block 307 is slidably connected to the inner wall of the fixed block A305, and the insert block 307 is engaged with the slot 8; the pull rod 308 passes through the outer wall of the fixed block A305; one end of the telescopic spring 10 is fixedly connected to the outer wall of the locking block 9, and the other end of the telescopic spring 10 is fixedly connected to the inner wall of the fixed block B7; the outer wall of the locking block 9 is slidably connected to the inner wall of the fixed block B7, and the locking block 9 is engaged with the slot 11.

[0026] The above scheme is adopted: by hinged connection between slider 301 and connecting rod 302, its linear motion is converted into rotational motion of support rod 303, thereby realizing the unfolding and retracting function of support mechanism 3; when slider 301 moves up and down, it will drive connecting rod 302 to rotate along the end hinged to slider 301, and the other end will drive support rod 303 to rotate around its hinge point with partition 1, thereby adjusting the support angle and range of support mechanism 3; when unfolded, support rod 303 extends outward and contacts the ground, and ground cone 304 can be inserted into the ground, increasing the friction and anchoring force between support mechanism 3 and the ground, further To improve the stability of the entire device during operation and prevent displacement or shaking during drilling and soil extraction; when retracted, the support rod 303 retracts inward, reducing space occupation and facilitating the movement and transportation of the device; when the insert block 307 is inserted into the slot 8 on the outer wall of the fixed tube 2 under the action of the connecting spring 306, it can lock the slider 301 in a specific position on the fixed tube 2, thereby determining the unfolded or retracted state of the support mechanism 3; when it is necessary to adjust the position of the slider 301, by pulling the pull rod 308, the connecting spring 306 is squeezed to make the insert block 307 disengage from the slot 8, and the slider 301 can return to the free sliding state.

[0027] The slot 11 on the outer wall of the soil sampling pipe 6 cooperates with the locking block 9 on the active rod 5 to achieve quick installation and fixation of the soil sampling pipe 6 on the active rod 5. When installing the soil sampling pipe 6, the two sets of locking blocks 9 need to be pulled outward and the soil sampling pipe 6 is inserted into the lower part of the active rod 5 so that the slot 11 and the locking block 9 are aligned. Under the elastic force of the telescopic spring 10, the locking block 9 is inserted into the slot 11 of the soil sampling pipe 6 to fix the soil sampling pipe 6. When it is necessary to remove the soil sampling pipe 6, the locking block 9 is pulled outward to remove it from the slot 11, thereby releasing the fixed connection between the soil sampling pipe 6 and the active rod 5.

[0028] Working principle and usage process of this utility model:

[0029] When drilling and soil extraction is required, first adjust the support mechanism 3. If the support mechanism 3 is in the retracted state, that is, the slider 301 moves to the position where the insert 307 engages with the upper set of slots 8 and the three sets of support rods 303 are retracted, the operator can pull the lever 308 to make the insert 307 exit from the upper slot 8 under the elastic force of the connecting spring 306, releasing the limit of the slider 301. Then, move the slider 301 downward, and drive the support rod 303 to rotate outward around its hinge point with the partition 1 through the connecting rod 302. When the slider 301 moves to the position where the insert 307 corresponds to the lower slot 8, release the lever 308. The insert 307 is inserted into the lower slot 8 under the action of the connecting spring 306, realizing the positioning of the support mechanism 3 in the extended state. At this time, the support rod 303 extends outward, and the ground cone 304 is inserted into the ground, so that the entire device is stably supported on the ground. During the soil extraction process, the soil extraction pipe 6 is kept vertical and will not tilt, thus affecting the normal progress of the soil extraction operation.

[0030] Next, the hydraulic cylinder 4 can be activated. The movable end of the hydraulic cylinder 4 pushes the drive rod 5 to slide axially downwards within the fixed pipe 2. The drive rod 5 drives the soil sampling pipe 6, which is fixedly connected to it, into the soil. During the soil insertion process, the fixed pipe 2 provides guidance for the drive rod 5 to ensure its linear movement. When the soil sampling pipe 6 reaches the predetermined depth, the movable end of the hydraulic cylinder 4 is controlled to drive the drive rod 5 and the soil sampling pipe 6 upwards, thus completing one soil sampling operation. Then, the locking block 9 is pulled outwards to disengage it from the locking groove 11 on the outer wall of the soil sampling pipe 6, releasing the fixed connection between the soil sampling pipe 6 and the drive rod 5. The soil sampling pipe 6 is then removed to collect and process the soil inside. When the soil sampling operation requires the device to be moved, the two sets of locking blocks 9 can be pulled to insert the soil sampling pipe 6 into the lower part of the active rod 5, so that the locking blocks 9 engage with the locking slots 11 to fix the soil sampling pipe 6. Then, the pull rod 308 is pulled to make the insert block 307 exit from the lower slot 8. The slider 301 is moved upward, which drives the support rod 303 to retract inward. When the slider 301 moves to the point where the insert block 307 engages with the upper slot 8, the pull rod 308 is released, and the insert block 307 is inserted into the upper slot 8, locking the support mechanism 3 in the retracted state, saving overall space. At this time, the entire drilling soil sampling device can be easily moved to the next work site or stored and transported.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A borehole soil sampling device for soil testing, comprising a partition (1), characterized in that: A hydraulic cylinder (4) is fixedly connected to the top outer wall of the partition (1), a fixed pipe (2) is fixedly connected to the bottom outer wall of the partition (1), an active rod (5) is slidably connected to the inner wall of the fixed pipe (2), and a support mechanism (3) is provided on the outer wall of the fixed pipe (2). The support mechanism (3) includes a slider (301), the outer wall of the slider (301) is hinged to a support rod (303) via a connecting rod (302), the outer wall of the support rod (303) is fixedly connected to a ground cone (304), the outer wall of the slider (301) is fixedly connected to a fixing block A (305), the inner wall of the fixing block A (305) is elastically connected to an insert block (307) via a connecting spring (306), the outer wall of the insert block (307) is fixedly connected to a pull rod (308), the outer wall of the active rod (5) is fixedly connected to a fixing block B (7), the inner wall of the fixing block B (7) is elastically connected to a locking block (9) via a telescopic spring (10), the inner wall of the active rod (5) is locked to a soil sampling pipe (6), the outer wall of the soil sampling pipe (6) is provided with a locking groove (11), and the outer wall of the fixing pipe (2) is provided with a slot (8).

2. The drilling and soil sampling device for soil testing according to claim 1, characterized in that: The active rod (5) passes through the outer wall of the partition (1), and the slider (301) is slidably connected to the outer wall of the fixed tube (2).

3. The drilling and soil sampling device for soil testing according to claim 1, characterized in that: One end of the connecting rod (302) is hinged to the outer wall of the slider (301), and the other end of the connecting rod (302) is hinged to the outer wall of the support rod (303). The support rod (303) is hinged to the bottom outer wall of the partition (1).

4. The drilling and soil sampling device for soil testing according to claim 1, characterized in that: One end of the connecting spring (306) is fixedly connected to the outer wall of the insert block (307), and the other end of the connecting spring (306) is fixedly connected to the inner wall of the fixing block A (305).

5. The drilling and soil sampling device for soil testing according to claim 1, characterized in that: The outer wall of the insert (307) is slidably connected to the inner wall of the fixing block A (305), the insert (307) is engaged with the slot (8), and the pull rod (308) passes through the outer wall of the fixing block A (305).

6. The drilling and soil sampling device for soil testing according to claim 1, characterized in that: One end of the telescopic spring (10) is fixedly connected to the outer wall of the locking block (9), and the other end of the telescopic spring (10) is fixedly connected to the inner wall of the fixing block B (7).

7. The drilling and soil sampling device for soil testing according to claim 1, characterized in that: The outer wall of the card block (9) is slidably connected to the inner wall of the fixing block B (7), and the card block (9) is engaged with the card slot (11).

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