A sampling device for engineering geological survey

By designing a detachable sampling device and a servo motor-driven rapid assembly structure, the problems of inconvenience in operation and waste of manpower caused by the large size of existing sampling devices are solved, and efficient and accurate sampling operations are achieved.

CN224594212UActive Publication Date: 2026-08-04HUNAN XIAOXIANG GEOTECHNICAL ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN XIAOXIANG GEOTECHNICAL ENGINEERING CO LTD
Filing Date
2025-06-04
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing engineering geological exploration sampling devices are large in size, which requires frequent movement and multiple operators during the exploration process, affecting sampling efficiency and wasting manpower.

Method used

A sampling device comprising a sampling rod, a threaded column, an extension rod, a servo motor, a threaded rod, and a pressure plate was designed. Through its detachable structure and servo motor drive, it enables rapid assembly and single-person operation, and ensures sample accuracy through the sampling chamber and sealing plate.

Benefits of technology

It achieves compact and highly efficient operation of the sampling device, allowing a single person to complete the sampling, avoiding manpower waste, and ensuring the accuracy and purity of the sample.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to engineering geological survey technical field, and disclose a kind of sampling device of engineering geological survey, sampling rod, the bottom end of the sampling rod is embedded with drilling part, and the top end of sampling rod is threaded column, the top end of threaded column is fixedly installed with extension rod, the outside of sampling rod is slidably connected with fixed frame, and the top end of fixed frame is provided with pressurizing equipment;The pressurizing equipment includes servo motor, the servo motor is embedded in the top end of fixed frame, and the power output end of servo motor is fixedly installed with threaded rod, the utility model is through the design of sampling rod, threaded column, extension rod, servo motor, threaded rod, pressurizing plate, contact plate, engagement plate and limit block, it can be quickly assembled while drilling according to sampling depth, can let the whole sampling device miniaturization, only need single person to operate, avoid to cause the waste of human resources, convenient transportation and carrying simultaneously, can improve the efficiency of sampling.
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Description

Technical Field

[0001] This utility model relates to the field of engineering geological exploration technology, specifically a sampling device for engineering geological exploration. Background Technology

[0002] Engineering geological investigation is a crucial step in the early stages of engineering construction. It aims to ascertain the geological environmental conditions of the construction site and analyze potential engineering geological problems through investigation, mapping, exploration, and testing. This provides a scientific basis for engineering design, construction, and operation. Engineering geological investigation is the "eyes" of engineering construction, and its results directly affect the safety, economy, and rationality of the project. Sampling devices are usually used for sampling operations during the investigation process.

[0003] In the field of engineering geological exploration, existing sampling devices are usually integrated into a large unit consisting of a power system, a control system, a sampling drill bit, and a frame. However, in actual use, due to the large size of the overall equipment and the large number of exploration points required during the exploration process, it is necessary to move and drill holes for sampling continuously. This makes the movement process cumbersome and requires multiple people to assist in the operation, which wastes manpower and affects sampling efficiency. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] Given that the existing equipment is large and requires many survey points during the exploration process, it is necessary to move around and drill holes for sampling. This makes the movement process cumbersome and requires multiple people to assist in the operation, which wastes manpower and affects the sampling efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A sampling device for engineering geological exploration, characterized in that it comprises:

[0008] A sampling rod, the bottom end of which is fitted with a drilling part and the top end of which is fitted with a threaded post. An extension rod is fixedly installed at the top end of the threaded post. A fixing frame is slidably connected to the outside of the sampling rod and a pressure device is provided at the top end of the fixing frame.

[0009] The pressurizing device includes a servo motor, which is embedded in the top of the fixed frame. A threaded rod is fixedly installed on the power output end of the servo motor. A pressure plate is slidably connected to the outer wall of one end of the threaded rod that passes through the inside of the fixed frame. A through hole is opened on the inner wall of the pressure plate.

[0010] As a further improvement of this utility model: the inside of the through hole is rotatably connected to an abutment plate, and a locking plate is fixedly installed at the bottom axial direction of the abutment plate.

[0011] As a further improvement of this utility model: a limiting block is fixedly installed at the bottom end of the locking plate, and a limiting groove is formed at the top end of the extension rod.

[0012] As a further improvement of this utility model: the sampling rod is detachably connected to the extension rod via a threaded rod, and a sliding structure is formed between the sampling rod and the fixing frame.

[0013] As a further improvement of this utility model: the outer wall of the sampling rod is provided with a placement groove, and a sampling mechanism is provided inside the placement groove.

[0014] As a further embodiment of this utility model: the sampling mechanism includes a sampling cavity, which is located inside the sampling rod at a position corresponding to the mounting groove, and an installation cavity is provided at the top of the sampling cavity inside the sampling rod.

[0015] As a further improvement of this utility model: an electric push rod is embedded in the top of the inner cavity of the mounting cavity, and a connecting plate is fixedly installed on the power output end of the electric push rod.

[0016] As a further improvement of this utility model: a sealing plate is fixedly installed at the bottom of the connecting plate, and a toggle block is fixedly installed above the mounting groove on the outer wall of the sampling rod.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model, through the design of sampling rod, threaded column, extension rod, servo motor, threaded rod, pressure plate, contact plate, locking plate and limiting block, enables rapid assembly during drilling according to the sampling depth. This makes the entire sampling device compact, requiring only one person to operate, avoiding the waste of human resources, and is also convenient for transportation and carrying, thus improving sampling efficiency.

[0019] 2. This utility model, through the design of a sampling chamber, an electric push rod, a connecting plate, a sealing plate, and a toggle block, can collect soil through the sampling chamber during the sampling process and seal it with the sealing plate to avoid mixing with soil at different heights and affecting the accuracy of sampling. Attached Figure Description

[0020] Figure 1 A schematic diagram of the overall structure of a sampling device for engineering geological exploration;

[0021] Figure 2 A schematic diagram of a threaded column structure for a sampling device used in engineering geological exploration;

[0022] Figure 3 A schematic diagram of the threaded rod structure of a sampling device for engineering geological exploration;

[0023] Figure 4 A schematic diagram of the through-hole structure of a sampling device for engineering geological exploration;

[0024] Figure 5 This is a schematic diagram of the connecting plate structure of a sampling device for engineering geological exploration.

[0025] In the diagram: 1. Sampling rod; 2. Drilling section; 3. Threaded column; 4. Extension rod; 5. Fixing frame; 6. Pressurizing equipment; 601. Servo motor; 602. Threaded rod; 603. Pressure plate; 604. Through hole; 605. Contact plate; 606. Locking plate; 607. Limiting block; 608. Limiting groove; 7. Installation groove; 8. Sampling mechanism; 801. Sampling chamber; 802. Installation chamber; 803. Electric push rod; 804. Connecting plate; 805. Sealing plate; 806. Actuating block. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more readily understood, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single embodiment or an embodiment selectively excluded from other embodiments.

[0029] Example 1

[0030] Please see Figures 1 to 4This is the first embodiment of the present utility model. This embodiment provides a sampling device for engineering geological exploration, including: a sampling rod 1, a drilling part 2 embedded at the bottom end of the sampling rod 1, a threaded column 3 protruding from the top end of the sampling rod 1, an extension rod 4 fixedly installed at the top end of the threaded column 3, a fixing frame 5 slidably connected to the outside of the sampling rod 1, and a pressure device 6 provided at the top end of the fixing frame 5.

[0031] The pressurizing device 6 includes a servo motor 601, which is embedded in the top of the fixed frame 5. A threaded rod 602 is fixedly installed at the power output end of the servo motor 601. A pressure plate 603 is slidably connected to the outer wall of one end of the threaded rod 602 that passes through the inside of the fixed frame 5. A through hole 604 is opened on the inner wall of the pressure plate 603.

[0032] Specifically, an abutment plate 605 is rotatably connected inside the through hole 604, and a locking plate 606 is fixedly installed at the axial bottom end of the abutment plate 605.

[0033] Furthermore, the axial end of the contact plate 605 is limited by the through hole 604, thereby forming a locking and rotating structure with the locking plate 606 and the pressure plate 603, and can rotate stably.

[0034] Specifically, a limiting block 607 is fixedly installed at the bottom of the snap-fit ​​plate 606, and a limiting groove 608 is opened at the top of the extension rod 4.

[0035] Furthermore, the limiting block 607 can engage with the limiting groove 608 of the extension rod 4, thereby preventing the extension rod 4 from becoming loose or misaligned with the engaging plate 606 during static pressing.

[0036] Specifically, the sampling rod 1 is detachably connected to the extension rod 4 via the threaded rod 602, and a sliding structure is formed between the sampling rod 1 and the fixing frame 5.

[0037] Furthermore, a limiting groove 608 is opened at the top of the extension rod 4, and a threaded post 3 is fixed at the bottom, so that they can be connected to each other and assembled according to the corresponding sampling depth.

[0038] In use, the sampling rod 1 has a motor embedded in the drilling part 2 at its bottom end, which drives the drill bit to drill in the soil. It can be assembled with the extension rod 4 through the threaded post 3. The extension rod 4 has a fixed length and the number is set according to the depth. Finally, it is engaged with the limiting block 607 of the locking plate 606. The servo motor 601 drives the threaded rod 602, which causes the pressure plate 603 to pass through the through hole 604, which drives the rotating contact plate 605 and the locking plate 606 to statically press the extension rod 4 to drill. After one set of extension rods 4 is completed, another extension rod 4 is connected through the threaded post 3. The pressure plate 603 is reset under the drive of the servo motor 601 and presses the other extension rod 4.

[0039] In summary, multiple extension rods 4 can be assembled according to the sampling depth, which is flexible and applicable. It avoids the inconvenience of carrying and transferring long sampling drill bits at once. At the same time, it can be assembled during drilling, thus avoiding the need for a large power system and fixed support, making the entire sampling device smaller and more compact, easy to carry and quick to assemble. It can be operated by a single person, avoiding the waste of manpower and enabling rapid sampling.

[0040] Example 2

[0041] Please see Figure 1 and Figure 5 This is the second embodiment of the present invention, which provides an improved design for a sampling device for engineering geological exploration.

[0042] Specifically, the outer wall of the sampling rod 1 is provided with a placement groove 7, and the sampling mechanism 8 is installed inside the placement groove 7.

[0043] Furthermore, the sampling mechanism 8 is installed in the placement slot 7 to avoid the sampling method of the sampling drill bit, which would cause it to mix with soil at different heights after being pulled out, thus affecting the sampling accuracy.

[0044] Specifically, the sampling mechanism 8 includes a sampling cavity 801, which is located inside the sampling rod 1 at a position corresponding to the mounting groove 7. The top of the sampling cavity 801 inside the sampling rod 1 is provided with an installation cavity 802.

[0045] Furthermore, the soil is collected and placed separately through the sampling chamber 801 to avoid mixing with soil from other heights and to ensure the accuracy of the sampling.

[0046] Specifically, an electric push rod 803 is embedded in the top of the mounting cavity 802, and a connecting plate 804 is fixedly installed at the power output end of the electric push rod 803.

[0047] Furthermore, the mounting cavity 802 is used to embed and place the electric actuator 803, and the connecting plate 804 separates the electric actuator 803 from the soil to prevent soil and moisture from affecting the electric actuator 803.

[0048] Specifically, a sealing plate 805 is fixedly installed at the bottom of the connecting plate 804, and a toggle block 806 is fixedly installed above the outer wall mounting groove 7 of the sampling rod 1.

[0049] Furthermore, the sliding sealing plate 805 is closed when the sampling rod 1 is drilled in and pulled out, and opened during sampling to avoid soil mixing at different heights.

[0050] In use, when the sampling rod 1 reaches the corresponding depth for sampling, the electric push rod 803 drives the connecting plate 804 to slide along the mounting cavity 802, allowing the connecting plate 804 to enter the mounting cavity 802 and open the sampling cavity 801. Then, the extension rod 4 is manually rotated counterclockwise to make the sampling rod 1 rotate, thereby allowing the agitator block 806 to agitate the soil at the corresponding position, making it loose and allowing it to enter the sampling cavity 801. Then, the electric push rod 803 causes the sealing plate 805 to close the sampling cavity 801, and then the rod can be pulled out.

[0051] In summary, the adjustable sealing plate 805 can seal the sampling chamber 801 during drilling or extraction to prevent the sample from mixing with soil at other heights. When the sampling depth is reached, the extension rod 4 is rotated counterclockwise to prevent the threaded column 3 from loosening and the agitator 806 stirs the soil at the corresponding position, making the soil loose and loose so that it can enter the sampling chamber 801 for sampling.

[0052] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0053] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0054] It should be understood that numerous specific implementation decisions can be made during the development of any actual implementation method, and in any engineering or design project. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A sampling device for engineering geological investigations, characterized in that: include: Sampling rod (1), the bottom end of the sampling rod (1) is fitted with a drilling part (2), and the top end of the sampling rod (1) is threaded column (3), the top end of the threaded column (3) is fixedly installed with an extension rod (4), the outside of the sampling rod (1) is slidably connected with a fixing frame (5), and the top end of the fixing frame (5) is provided with a pressure device (6). The pressurizing device (6) includes a servo motor (601), which is embedded in the top of the fixed frame (5). A threaded rod (602) is fixedly installed at the power output end of the servo motor (601). A pressure plate (603) is slidably connected to the outer wall of one end of the threaded rod (602) that passes through the inside of the fixed frame (5). A through hole (604) is opened on the inner wall of the pressure plate (603).

2. The sampling device for engineering geological survey according to claim 1, characterized in that: The through hole (604) is rotatably connected to an abutment plate (605), and a locking plate (606) is fixedly installed at the bottom axial direction of the abutment plate (605).

3. A device for sampling in engineering geological investigations according to claim 2, characterized in that: A limiting block (607) is fixedly installed at the bottom of the locking plate (606), and a limiting groove (608) is opened at the top of the extension rod (4).

4. The sampling device for engineering geological survey according to claim 1, characterized in that: The sampling rod (1) is detachably connected to the extension rod (4) via a threaded rod (602), and a sliding structure is formed between the sampling rod (1) and the fixing frame (5).

5. The sampling device for engineering geological survey according to claim 1, characterized in that: The outer wall of the sampling rod (1) is provided with a placement groove (7), and a sampling mechanism (8) is provided inside the placement groove (7).

6. A device for sampling in engineering geological investigations according to claim 5, characterized in that: The sampling mechanism (8) includes a sampling cavity (801), which is located inside the sampling rod (1) at the position corresponding to the mounting groove (7), and an installation cavity (802) is provided at the top of the sampling cavity (801) inside the sampling rod (1).

7. A device for sampling in engineering geological investigations according to claim 6, characterized in that: An electric push rod (803) is embedded in the top of the inner cavity (802), and a connecting plate (804) is fixedly installed on the power output end of the electric push rod (803).

8. A device for sampling in engineering geological investigations according to claim 7, characterized in that: A sealing plate (805) is fixedly installed at the bottom of the connecting plate (804), and a toggle block (806) is fixedly installed above the outer wall mounting groove (7) of the sampling rod (1).