Sampling device for geotechnical engineering investigation

By designing the drive mechanism and retaining frame, the problem of difficulty in adjusting the position and angle of the drill bit in complex environments was solved, enabling stable sample extraction and efficient preservation, and improving the flexibility and practicality of the sampling device.

CN224051628UActive Publication Date: 2026-03-27TAIYUAN JINGUANGRUI GEOTECHNICAL ENGINEERING SURVEY & INSPECTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-15
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing mechanical drilling sampling devices have difficulty changing the position and angle of the drill bit in complex environments, and the sample is prone to falling off when the drill bit is lifted, affecting the sampling effect.

Method used

A geotechnical engineering exploration sampling device was designed. It uses a drive mechanism to realize the up and down lifting and angle tilting of the drilling sampling rod, is equipped with a soil retainer to prevent the sample from falling off, and has a control panel and drawer for easy operation and sample storage.

Benefits of technology

It improves the adaptability and sampling efficiency of the device in complex environments, prevents sample loss, and enhances the convenience of sample preservation and operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a geotechnical engineering investigation sampling device, and belongs to the technical field of geotechnical engineering investigation sampling, the geotechnical engineering investigation sampling device comprises a rack, and is characterized in that a rotating groove is formed in the front surface of the rack, a driving mechanism is arranged in the rotating groove, the driving mechanism comprises a moving block, and the moving block is rotatably connected to the interior of the rotating groove; a mounting frame is arranged at the top of the moving block, a first driving motor is arranged at the top of the mounting frame, the output end of the first driving motor is fixedly connected with a driving rod, the driving rod is located in the mounting frame, a connecting plate is arranged on one side of the mounting frame, and a rotating plate is rotationally connected into the connecting plate; when the driving mechanism is used, the overall working range of the driving mechanism can be effectively widened, drilling and sampling work can be completed in some special environments, different drilling angles can be adjusted and adapted according to different terrain and landform characteristics through flexible angle adjustment, and the ground can be sampled and detected more flexibly.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of geotechnical engineering investigation sampling, and particularly relates to a geotechnical engineering investigation sampling device. BACKGROUND

[0002] At present, the commonly used sampling methods in geotechnical engineering investigation mainly include manual drilling sampling and mechanical drilling sampling. The manual drilling sampling usually relies on manual operation, has high labor intensity, low efficiency and poor sample quality. The mechanical drilling sampling is performed through mechanical equipment, and although the working efficiency is improved, the adaptability and stability under complex terrain conditions still need to be improved.

[0003] The existing mechanical drilling sampling can only move the position of the drill bit up and down, and is difficult to use in complex environments and in the case of needing to change the angle. When the drill bit is lifted from the inside of the drill hole, the sample inside may directly fall off, affecting the subsequent sampling. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the present application provides a geotechnical engineering investigation sampling device, which overcomes the defects of the prior art and aims to solve the problem that the existing mechanical drilling sampling in the prior art can only move the position of the drill bit up and down, is difficult to use in complex environments and in the case of needing to change the angle, and when the drill bit is lifted from the inside of the drill hole, the sample inside may directly fall off, affecting the subsequent sampling.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a geotechnical engineering investigation sampling device, comprising a rack, characterized in that a rotating groove is formed on the front of the rack,

[0006] A driving mechanism is arranged in the rotating groove, the driving mechanism comprises a moving block, the moving block is rotationally connected to the inside of the rotating groove, a mounting bracket is arranged on the top of the moving block, a driving motor one is arranged on the top of the mounting bracket, a driving rod is fixedly connected to the output end of the driving motor one, the driving rod is located in the inside of the mounting bracket, a connecting plate is arranged on one side of the mounting bracket, a rotating plate is rotationally connected to the inside of the connecting plate, a hydraulic telescopic rod is arranged on the bottom of the rotating plate, the bottom of the hydraulic telescopic rod is fixedly connected with the rack, a moving plate is threadedly connected to the outside of the driving rod, a driving motor two is arranged on the top of the moving plate, a drilling sampling rod is arranged on the bottom of the moving plate, and the bottom of the driving motor two is fixedly connected with the drilling sampling rod.

[0007] By adopting the technical scheme, the driving mechanism is arranged, in use, the driving motor one is driven to achieve the up-down lifting effect of the moving plate, the driving motor two is arranged to drive the drilling sampling rod to drill the ground, the connecting plate and the hydraulic telescopic rod arranged on one side of the driving mechanism can be telescopically moved to achieve the effect of tilting the overall angle of the driving mechanism, which can effectively improve the overall working range of the driving mechanism and complete the drilling sampling work in some special environments, and through flexible adjustment of the angle, different drilling angles can be adjusted and adapted to different terrains and landform features to achieve more flexible sampling and detection of the ground.

[0008] As a preferred technical scheme of the present application, the bottom of the drilling sampling rod is internally provided with a soil retaining frame, the soil retaining frame is internally provided with two groups of soil retaining plates, the two groups of soil retaining plates are symmetrically arranged, one end of each of the two groups of soil retaining plates is rotatably connected with the soil retaining frame,

[0009] The bottom of the soil retaining frame is provided with two groups of clamping blocks, the two groups of clamping blocks are located below the soil retaining plates, the internal part of each of the two groups of clamping blocks is provided with a fixing bolt, and the two groups of fixing bolts are threadedly connected with the soil retaining frame.

[0010] By adopting the technical scheme, the soil retaining frame is arranged, in use, when the drilling sampling rod samples the ground, the soil directly enters the internal part of the drilling sampling rod through the soil retaining frame, because the soil retaining plates are rotatably connected with the soil retaining frame through the rotating shafts, the soil can push the soil retaining plates and then directly enter the internal part of the drilling sampling rod, after the drilling sampling is completed, the drilling sampling rod is extended from the internal part of the drilling hole, the soil applies gravity to the soil retaining plates, at this time, the clamping blocks are arranged to limit the soil retaining plates and fix the soil in the internal part of the drilling sampling rod to prevent the soil from falling, when the sample in the internal part of the drilling sampling rod needs to be taken out, the sample can be quickly taken out by disassembling the fixing bolts.

[0011] As a preferred technical scheme of the present application, the top of the rack is provided with a sample cabinet, and the internal part of the sample cabinet is provided with a plurality of drawers.

[0012] By adopting the technical scheme, the drawer is arranged to quickly complete the preservation of the soil sample, the drawer is arranged to more conveniently and quickly classify and preserve the sample, and the practicability of the device is improved.

[0013] As a preferred technical scheme of the present application, the top of the sample cabinet is provided with a control panel, and the control panel is electrically connected with the driving mechanism and the driving motor two.

[0014] By adopting the technical scheme, the control panel is arranged, so that the operator can conveniently and quickly operate the device in use, and the practicability is improved.

[0015] As a preferred technical scheme of the present application, the drilling sampling rod is externally provided with external threads, and the bottom of the drilling sampling rod is provided with bottom drilling teeth.

[0016] By adopting the technical scheme, the external threads are arranged, so that the overall drilling efficiency can be effectively improved in use, the bottom drilling teeth are arranged to improve the crushing effect of the stone block when the drilling sampling rod drills downward, and the service life is effectively improved.

[0017] As a preferred technical scheme of the present application, the top side of the rack is provided with a handle, and the bottom of the rack is provided with universal wheels.

[0018] By adopting the technical scheme, the handle is arranged, so that the handle and the universal wheels can be mutually matched to quickly and conveniently realize the movement and transfer of the device.

[0019] As a preferred technical scheme of the present application, the two sides of the mounting frame are provided with sliding grooves, the interiors of the two groups of sliding grooves are provided with stabilizing rods, the two sides of the moving plate are provided with stabilizing plates, and the two groups of stabilizing plates are slidably connected with the stabilizing rods.

[0020] By adopting the technical scheme, the stabilizing plates move in the interiors of the sliding grooves, so that the stability of the moving plate when moving up and down can be further improved, and the practicability of the device is improved.

[0021] As a preferred technical scheme of the present application, the four sides of the rack are provided with fixing plates, the interiors of the four groups of fixing plates are provided with rotating rods, and the bottoms of the four groups of rotating rods are provided with stabilizing pads.

[0022] By adopting the technical scheme, the fixing plates are arranged, so that the height of the rotating rod can be adjusted to abut against the ground, thereby improving the stability of the rack in use and preventing the phenomenon of deviation.

[0023] The beneficial effects of the present application are as follows:

[0024] 1、By setting the driving mechanism, in use, can be driven by driving motor one way to complete the effect of the moving plate up and down, the setting of the driving motor two can drive the drilling sampling rod, so as to drill the ground, the connecting plate and hydraulic telescopic rod are arranged on one side of the driving mechanism, and the hydraulic telescopic rod can be moved by the extension and contraction of the hydraulic telescopic rod, so as to realize the effect of the overall angle inclination of the driving mechanism. Thus, the overall working range of the driving mechanism can be effectively improved, and the drilling sampling work can be completed in some special environment. Through flexible adjustment of the angle, different drilling angles can be adjusted and adapted to different topography and geomorphic features, so that the ground can be more flexibly sampled and detected.

[0025] 2、By setting the soil retaining frame, when the drilling sampling rod samples the ground, the soil can directly enter the inside of the drilling sampling rod through the soil retaining frame. Because the soil retaining plate is rotationally connected between the rotating shaft and the soil retaining frame, the soil can push the soil retaining plate and then directly enter the inside of the drilling sampling rod. After the drilling sampling is completed, the drilling sampling rod is extended out of the drilling hole, and the soil applies gravity to the soil retaining plate. At this time, the clamping block can limit the soil retaining plate and fix the soil in the inside of the drilling sampling rod, so as to prevent the soil from falling. When the sample in the inside of the drilling sampling rod needs to be taken out, the sample can be quickly taken out by disassembling the fixing bolt. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 is a schematic view of the overall structure of the present application;

[0027] Fig. 2 is a schematic view of the side structure of the present application;

[0028] Fig. 3 is a schematic view of the drilling sampling rod structure of the present application;

[0029] Fig. 4 is a schematic view of the soil retaining frame structure of the present application.

[0030] In the drawing: 1, rack; 101, rotating groove; 102, handle; 103, universal wheel; 2, driving mechanism; 201, moving block; 202, mounting frame; 203, driving motor one; 204, driving rod; 205, connecting plate; 206, rotating plate; 207, hydraulic telescopic rod; 208, sliding groove; 209, stabilizing rod; 3, moving plate; 301, stabilizing plate; 302, driving motor two; 4, drilling sampling rod; 401, external thread; 402, bottom drilling tooth; 5, soil retaining frame; 501, soil retaining plate; 502, rotating shaft; 503, clamping block; 504, fixing bolt; 6, sample cabinet; 601, drawer; 7, control panel; 8, fixing plate; 801, rotating rod; 802, stabilizing pad. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0032] With reference to FIGS. 1-4, a geotechnical engineering investigation sampling device includes a rack 1, characterized in that a rotating groove 101 is formed on the front of the rack 1, a driving mechanism 2 is arranged inside the rotating groove 101, the driving mechanism 2 includes a moving block 201 rotatably connected to the inside of the rotating groove 101, an installation frame 202 is arranged on the top of the moving block 201, a driving motor 1 203 is arranged on the top of the installation frame 202, a driving rod 204 is fixedly connected to the output end of the driving motor 1 203, the driving rod 204 is located inside the installation frame 202, a connecting plate 205 is arranged on one side of the installation frame 202, a rotating plate 206 is rotatably connected to the inside of the connecting plate 205, a hydraulic telescopic rod 207 is arranged on the bottom of the rotating plate 206, the bottom of the hydraulic telescopic rod 207 is fixedly connected with the rack 1

[0033]

[0034] A moving plate 3 is threadedly connected to the outside of the driving rod 204, a driving motor 2 302 is arranged on the top of the moving plate 3, a drilling sampling rod 4 is arranged on the bottom of the moving plate 3, the bottom of the driving motor 2 302 is fixedly connected with the drilling sampling rod 4. A sample cabinet 6 is arranged above the rack 1, a plurality of drawers 601 are arranged inside the sample cabinet 6.

[0035] By arranging the driving mechanism 2, when in use, the up-and-down lifting effect of the moving plate 3 can be achieved by driving the driving motor 1 203, the driving motor 2 302 arranged can drive the drilling sampling rod 4, so as to drill the ground, the connecting plate 205 and the hydraulic telescopic rod 207 arranged on one side of the driving mechanism 2 can be moved by the hydraulic telescopic rod 207, so as to achieve the effect of tilting the whole driving mechanism 2 at an angle, and such arrangement can

[0036]

[0037]

[0038]

[0039]

[0040] ​​​​​This effectively expands the overall working range of the drive mechanism 2, enabling drilling and sampling in certain special environments. Flexible angle adjustment allows for adaptation to different terrains and landforms, facilitating more flexible sampling and testing of the ground. The drawer 601 facilitates rapid preservation of soil samples, enhancing the device's practicality through convenient and quick sample classification and storage.

[0041] Referring to Figure 1, a retaining frame 5 is installed inside the bottom of the drilling sampling rod 4. Two sets of retaining plates 501 are installed inside the retaining frame 5, arranged symmetrically. One end of each set of retaining plates 501 is rotatably connected to the retaining frame 5. The bottom of the retaining frame 5 is equipped with…

[0042] Two sets of locking blocks 503, both sets of locking blocks 503 are located below the retaining plate 501, and the two sets of locking blocks 503

[0043] Both sets of fixing bolts 504 are installed inside the retaining frame 5.

[0044] Threaded connection; the top of sample cabinet 6 is equipped with control panel 7, which is connected to the drive unit.

[0045] Both the structure 2 and the drive motor 302 are electrically connected; a handle 102 is provided on one side of the top of the frame 1, and casters 103 are provided on the bottom of the frame 1; by setting up the retaining frame 5, when the drilling sampling rod 4 is sampling the ground, the soil will pass directly through the retaining frame.

[0046] 5. The soil directly enters the interior of the drilling sampling rod 4. Because the retaining plate 501 is rotatably connected to the retaining frame 5 via the rotating shaft 502, the soil can push aside the retaining plate 501 and then directly enter the interior of the drilling sampling rod 4. After drilling and sampling are completed, the drilling sampling rod...

[0047] 4. After extending from the inside of the borehole, the soil will exert gravity on the retaining plate 501. At this time, it is necessary to set...

[0048] The locking block 503 can limit the soil retaining plate 501, thus fixing the soil in place during drilling and sampling.

[0049] To prevent the rod 4 from falling out, the inside of the drilling sampling rod 4 should be used to extract samples.

[0050] When the sample is taken out, it can be quickly taken out by disassembling the fixing bolt 504; by setting the control panel 7, the staff can more conveniently and quickly complete the operation of the device during use, and the practicability is improved; by setting the handle 102, during use, the handle 102 and the universal wheel 103 can be matched with each other, and the movement and transfer of the device can be quickly and conveniently realized.

[0051] Referring to FIG. 1, the outer part of the drilling sampling rod 4 is provided with an external thread 401, and the bottom of the drilling sampling rod 4 is provided with a bottom drilling tooth 402; by setting the external thread 401, during use, the external thread 401 can effectively improve the overall drilling efficiency, and the bottom drilling tooth 402 can improve the crushing efficiency of the drilling sampling rod 4 when drilling downward.

[0052]

[0053] The two sides of the mounting frame 202 are provided with sliding grooves 208, the interiors of the two groups of sliding grooves 208 are provided with stabilizing rods 209, the two sides of the moving plate 3 are provided with stabilizing plates 301, and the two groups of stabilizing plates 301 are slidably connected with the stabilizing rods 209; by setting the sliding grooves 208, during use, the stabilizing plates 301 move in the interiors of the sliding grooves 208, which can further improve the stability of the moving plate 3 when moving up and down, and improve the practicability of the device.

[0054]

[0055]

[0056]

[0057] The four sides of the rack 1 are provided with fixing plates 8, the interiors of the four groups of fixing plates 8 are provided with rotating rods 801, and the bottoms of the four groups of rotating rods 801 are provided with stabilizing pads 802; by setting the fixing plates 8, during use, the height of the rotating rod 801 can be adjusted to abut against the ground, thereby improving the stability of the rack 1 during use and preventing the phenomenon of deviation.

[0058] Working principle: by setting the driving mechanism 2, during use, the driving motor one 203 can be driven to complete the up-and-down movement of the moving plate 3, the driving motor two 302 can drive the drilling sampling rod 4 to drill the ground, and the connecting plate 205 and the hydraulic telescopic rod 207 on one side of the driving mechanism 2 can be driven by the hydraulic telescopic rod 207.

[0059]

[0060] ​​​​​​

[0061] The telescopic movement of the telescopic rod 207 realizes the effect of the overall angular inclination of the driving mechanism 2,

[0062] This arrangement can effectively improve the working range of the driving mechanism 2 as a whole, and can also complete the drilling and sampling work in some special environments. Through flexible adjustment of the angle, different drilling angles can be adjusted and adapted to different topographic and geomorphic features, and the ground can be more flexibly sampled and detected. By arranging the soil retaining frame 5, when the drilling and sampling rod 4 is sampling the ground, the soil will directly enter the

[0063] The inside of the drilling and sampling rod 4, because the soil retaining plate 501 is rotationally connected between the rotating shaft 502 and the soil retaining frame 5, so that the soil can push open the soil retaining plate 501 and then directly enter the

[0064] The inside of the drilling and sampling rod 4, after the drilling and sampling is completed, the drilling and sampling rod 4 is extended from the drilling hole

[0065] The soil will exert gravity on the soil retaining plate 501, and the clamping block 503 arranged at this time can

[0066] limit the soil retaining plate 501, so as to fix the soil in the inside of the drilling and sampling rod 4,

[0067] prevent the phenomenon of falling, and when the sample in the inside of the drilling and sampling rod 4 needs to be taken out, it can be

[0068] quickly taken out by disassembling the fixing bolt 504;

[0069] The drawer 601 can be arranged to quickly complete the preservation of the soil sample. The drawer 601 can be arranged to more conveniently and quickly classify and preserve the sample, thereby improving the practicability of the device. The control panel 7 can be arranged to more conveniently and quickly complete the operation of the device, thereby improving the practicability.

[0070] Meanwhile, the external thread 401 can effectively improve the overall drilling efficiency when in use. The bottom drilling tooth 402 can improve the crushing effect of the stone block when the sampling rod 4 drills downward, and can also effectively improve the service life.

[0071] The sampling rod 4 in the downward drilling effect of the stone block, can also effectively improve the service life;

[0072] In addition, by arranging the handle 102, in use, the handle 102 can be cooperated with the universal wheel 103, so that the movement and transfer of the device can be realized quickly and conveniently.

[0073] By arranging the sliding groove 208, in use, the stable plate 301 can move in the sliding groove 208, so that the stability of the moving plate 3 in the up and down movement can be further improved, and the practicability of the device can be improved.

[0074] By arranging the fixing plate 8, in use, the height of the rotating rod 801 can be adjusted to realize the abutment with the ground, so that the stability of the rack 1 in use can be improved, and the phenomenon of deviation can be prevented.

[0075] The above only describes the preferred embodiments of the present application and is not used to limit the present application,

[0076] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A geotechnical investigation sampling device comprising a frame (1), characterized in that, The front of the rack (1) is provided with a rotating groove (101), and the inside of the rotating groove (101) is provided with a driving mechanism (2), the driving mechanism (2) comprises a moving block (201), the moving block (201) is rotatably connected to the inside of the rotating groove (101), and the top of the moving block (201) is provided with a mounting frame (202).

2. The geotechnical investigation sampling device of claim 1, wherein, The bottom of the driving motor two (302) is fixedly connected with the drilling sampling rod (4).

3. The geotechnical investigation sampling device of claim 1, wherein, The bottom of the drilling sampling rod (4) is provided with a soil retaining frame (5), the inside of the soil retaining frame (5) is provided with two groups of soil retaining plates (501), and the two groups of soil retaining plates (501) are symmetrically arranged.

4. The geotechnical investigation sampling device of claim 3, wherein, The bottom of the rack (1) is provided with a sample cabinet (6), and the inside of the sample cabinet (6) is provided with a plurality of drawers (601).

5. The geotechnical investigation sampling device of claim 1, wherein, The top of the sample cabinet (6) is provided with a control panel (7), and the control panel (7) is electrically connected with the driving mechanism (2) and the driving motor two (302).

6. The geotechnical investigation sampling device of claim 1, wherein, The outside of the drilling sampling rod (4) is provided with an external thread (401), and the bottom of the drilling sampling rod (4) is provided with a bottom drilling tooth (402).

7. The geotechnical investigation sampling device of claim 1, wherein, The top of the rack (1) is provided with a handle (102), and the bottom of the rack (1) is provided with universal wheels (103). The two sides of the mounting frame (202) are provided with sliding grooves (208), and the inside of the two groups of sliding grooves (208) is provided with stabilizing rods (209). The two sides of the moving plate (3) are provided with stabilizing plates (301), and the two groups of stabilizing plates (301) are slidably connected with the stabilizing rods (209).

8. The geotechnical investigation sampling device of claim 1, wherein, The fixed plate (8) is arranged around the rack (1), the inside of four groups of fixed plates (8) is provided with rotating rods (801), and the bottom of four groups of rotating rods (801) is provided with stable pads (802).