A deep sampling device for geological engineering investigation

Abstract

This utility model relates to the field of geological engineering exploration technology and discloses a deep sampling device for geological engineering exploration, including a support frame. Two T-shaped grooves are symmetrically formed on the inner side of the support frame. A T-shaped block is slidably connected within each T-shaped groove. A movable plate is fixedly connected to the side of each T-shaped block away from the T-shaped groove. A drilling structure is provided on the movable plate. The drilling structure includes a rotating shaft. The outer wall of the top end of the rotating shaft is rotatably connected to the inside of the movable plate. A helical rod is fixedly installed at the bottom end of the rotating shaft, and a cavity is formed within the helical rod. This deep sampling device for geological engineering exploration, through its sealing structure, uses an arc-shaped sealing plate to seal the sampling hole during drilling, effectively preventing soil from entering the cavity and avoiding sample contamination. During sampling, the sealing plate opens, ensuring that the geological sample accurately enters the winding box through the arc-shaped sampling tube, guaranteeing the purity and representativeness of the sample.

Description

Technical Field

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

[0002] In geological engineering exploration, obtaining deep geological samples is a crucial step in understanding underground geological structures, lithological characteristics, and the distribution of mineral resources. Traditional deep sampling equipment has several limitations in practical applications: firstly, soil can easily enter the sampling channel during drilling, leading to sample contamination or blockage and affecting the accuracy and effectiveness of sampling; secondly, the sampling structure lacks sufficient expansion and contraction stability, making it difficult to precisely control the sampling depth, and the sealing performance after sampling is poor, easily causing sample leakage or contamination. Furthermore, some equipment suffers from poor linkage between drilling and sampling actions, and the operation process is cumbersome, not only reducing exploration efficiency but also potentially causing sampling position deviations due to multiple operations, failing to meet the needs of high-precision geological exploration. Therefore, we propose a deep sampling device for geological engineering exploration to solve the above problems. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a deep sampling device for geological engineering exploration, which solves the problems mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a deep sampling device for geological engineering exploration, including a support frame, two T-shaped grooves symmetrically opened on the inner side of the support frame, a T-shaped block slidably connected in the T-shaped groove, and a movable plate fixedly connected to the side of the T-shaped block away from the T-shaped groove; a drilling structure is provided on the movable plate, the drilling structure includes a rotating shaft, the top outer wall of the rotating shaft is rotatably connected to the inside of the movable plate, a spiral rod is fixedly installed at the bottom end of the rotating shaft, a cavity is opened in the spiral rod, a plurality of sampling holes communicating with the cavity are opened on the outer wall of the spiral rod, a drill bit is fixedly installed at the bottom end of the spiral rod, a sampling structure and a sealing structure are provided in the cavity, and a drive motor for driving the rotating shaft is installed on the movable plate.

[0005] Furthermore, a threaded rod is rotatably connected to the support frame within the T-shaped groove. The threaded rod is threadedly engaged with the T-shaped block, and a second forward and reverse motor for driving the threaded rod is installed on the support frame.

[0006] Furthermore, the sampling structure includes a sector-shaped plate, which is fixedly installed on the inner wall of the cavity. A T-shaped groove is formed on the sector-shaped plate, and a T-shaped slider is slidably connected in the T-shaped groove. The T-shaped slider is fixedly connected to an L-shaped support plate. A U-shaped plate is fixedly installed on the side of the L-shaped support plate away from the T-shaped slider. An arc-shaped sampling tube is fixedly installed on one side of the U-shaped plate. One end of the arc-shaped sampling tube is located inside the side of the U-shaped plate and is fixedly connected to a winding box. A groove is formed on the side wall of the spiral rod, and a hydraulic cylinder is fixedly installed in the groove. The output end of the hydraulic cylinder is fixedly connected to the outer wall of one end of the U-shaped plate.

[0007] Furthermore, the sealing structure includes a fixing plate, which is fixedly connected to the inner wall of the cavity. A connecting shaft is rotatably connected inside the fixing plate. Connecting rods are fixedly installed on the outer walls of both ends of the connecting shaft. An arc-shaped sealing plate is fixedly installed on the outer wall of one end of the connecting rod. The arc-shaped sealing plate fits against the inner wall of the cavity to seal the sampling hole. A first forward and reverse motor is fixedly installed on the fixing plate, and the output end of the first forward and reverse motor is fixedly connected to the top end of the connecting shaft. The outer wall of the connecting shaft is movably connected to the inside of the U-shaped plate.

[0008] Furthermore, a drive motor is fixedly installed on the upper surface of the movable plate, and the output end of the drive motor is fixedly connected to the top end of the rotating shaft; two positive and negative motors are fixedly installed at both ends of the upper surface of the support frame, and the output ends of the positive and negative motors are fixedly connected to the top end of the threaded rod; a spiral blade is fixedly provided on the outer wall of the spiral rod, and the spiral direction of the spiral blade is adapted to the rotation direction of the rotating shaft, which is used to discharge soil during the drilling process.

[0009] Furthermore, the size of the arc-shaped sampling tube is adapted to the size of the sampling hole, and the arc-shaped sampling tube can extend to the outside of the spiral rod through the sampling hole. The inside of the winding box is provided with a sample storage cavity, which is connected to the internal channel of the arc-shaped sampling tube for collecting and temporarily storing geological samples entering through the arc-shaped sampling tube. The maximum stroke of the output end of the hydraulic cylinder matches the maximum length of the arc-shaped sampling tube extending to the outside of the spiral rod, ensuring that the arc-shaped sampling tube can extend to the predetermined sampling depth.

[0010] The beneficial effects of this utility model are: 1. This deep sampling equipment for geological engineering exploration uses a sealed structure. During drilling, an arc-shaped sealing plate seals the sampling hole, effectively preventing soil from entering the cavity and avoiding sample contamination. When sampling, the sealing plate opens to ensure that the geological sample enters the winding box accurately through the arc-shaped sampling tube, thus ensuring the purity and representativeness of the sample.

[0011] 2. This deep sampling equipment for geological engineering exploration utilizes a T-shaped groove and a T-shaped slider in its sampling structure to provide stable guidance for the extension and retraction of the arc-shaped sampling tube. The output stroke of the hydraulic cylinder is precisely matched with the extension length of the sampling tube, allowing for strict control of the sampling depth. Simultaneously, when the drive motor rotates the screw rod, the arc-shaped sampling tube rotates synchronously with the screw rod, achieving efficient rotary collection of deep geological samples. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional view of the structure of this utility model; Figure 3 This is a cross-sectional view of the sampling structure of this utility model; Figure 4 This is a partial sectional view of the spiral rod structure of this utility model; Figure 5 This is a cross-sectional view of the spiral rod structure of this utility model.

[0014] Explanation of reference numerals in the attached drawings: 1. Support frame; 2. T-slot; 3. T-block; 4. Movable plate; 5. Drilling structure; 51. Rotating shaft; 52. Helical rod; 53. Cavity; 54. Sampling hole; 55. Drill bit; 56. Sampling structure; 561. Fan-shaped plate; 562. T-slot; 563. T-slider; 564. L-shaped support plate; 565. U-shaped plate; 566. Arc-shaped sampling tube; 567. Rewinding box; 568. Groove; 569. Hydraulic cylinder; 57. Sealing structure; 571. Fixing plate; 572. Connecting shaft; 573. Connecting rod; 574. Arc-shaped sealing plate; 575. Forward and reverse motor one; 58. Drive motor; 6. Threaded rod; 7. Forward and reverse motor two. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0016] Please see Figures 1-5A deep sampling device for geological engineering exploration includes a support frame 1, which provides overall stability; two T-shaped grooves 2 are symmetrically formed on the inner side of the support frame 1, and T-shaped blocks 3 are slidably connected in the T-shaped grooves 2. The T-shaped groove 2 and the T-shaped block 3 cooperate to ensure the guiding of the movable plate 4 during lifting and lowering; the movable plate 4 is fixedly connected to the side of the T-shaped block 3 away from the T-shaped groove 2, and the support frame 1 provides stable support for the lifting and lowering of the movable plate 4 through the cooperation of the T-shaped groove 2 and the T-shaped block 3, ensuring the overall stability of the equipment during drilling and sampling; the spiral blades on the outer wall of the spiral rod 52 can efficiently discharge the soil generated during drilling, avoiding blockage in the hole, and is suitable for deep sampling operations under different geological conditions; the movable plate 4 is equipped with a drilling structure 5, which is linked with the lifting structure (threaded rod 6, forward and reverse motor 7) of the movable plate 4, and can simultaneously complete the drilling depth adjustment and sampling position positioning; after sampling, the sealing structure 57 quickly resets and seals, reducing operation steps, shortening the single sampling cycle, and improving the overall exploration efficiency; the drilling structure 5 includes a rotating shaft 51, the rotating shaft 5 The top outer wall of the support frame 1 is rotatably connected to the inside of the movable plate 4. The bottom end of the rotating shaft 51 is fixedly installed with a spiral rod 52. The outer wall of the spiral rod 52 is provided with spiral blades, and the rotation direction is adapted to the rotation direction of the rotating shaft 51 for discharging soil during drilling. A cavity 53 is opened inside the spiral rod 52. Several sampling holes 54 connected to the cavity 53 are opened on the outer wall of the spiral rod 52. A drill bit 55 is fixedly installed at the bottom end of the spiral rod 52. A sampling structure 56 and a sealing structure 57 are provided inside the cavity 53. A drive motor 58 for driving the rotating shaft 51 is installed on the movable plate 4. A threaded rod 6 is rotatably connected to the support frame 1 in the T-shaped groove 2. The threaded rod 6 is threadedly engaged with the T-shaped block 3. A forward and reverse motor 7 for driving the threaded rod 6 is installed on the support frame 1. The threaded rod 6 and the forward and reverse motor 7 drive the movable plate 4 to move up and down to adjust the drilling and sampling depth.

[0017] In this embodiment, the drive motor 58 drives the rotating shaft 51, the spiral rod 52 and the drill bit 55 to rotate, thereby achieving deep drilling; the spiral blades discharge the soil generated during drilling; the cavity 53 provides installation space for the sampling and sealing structure 57, and the sampling hole 54 provides a channel for the sample to enter the cavity 53.

[0018] Reference Figures 2-5As shown, the sampling structure 56 includes a sector-shaped plate 561, which is fixedly installed on the inner wall of the cavity 53. A T-shaped groove 562 is formed on the sector-shaped plate 561, and a T-shaped slider 563 is slidably connected within the T-shaped groove 562. The T-shaped slider 563 is fixedly connected to an L-shaped support plate 564. A U-shaped plate 565 is fixedly installed on the side of the L-shaped support plate 564 away from the T-shaped slider 563. An arc-shaped sampling tube 566 is fixedly installed on one side of the U-shaped plate 565, with one end of the arc-shaped sampling tube 566 located on the U-shaped plate 565. A winding box 567 is fixedly connected to one side, containing a sample storage chamber for temporary sample storage; a groove 568 is provided on the side wall of the spiral rod 52, and a hydraulic cylinder 569 is fixedly installed in the groove 568. The output end of the hydraulic cylinder 569 is fixedly connected to the outer wall of one end of the U-shaped plate 565; the hydraulic cylinder 569 drives the arc-shaped sampling tube 566 to extend through the sampling hole 54 to the outside of the spiral rod 52 to collect geological samples; the winding box 567 temporarily stores the samples; the T-shaped slide 562 and the T-shaped slider 563 cooperate to ensure the stability of the sampling tube during extension and retraction.

[0019] In this embodiment, the T-shaped groove 562 and the T-shaped slider 563 in the sampling structure 56 provide stable guidance for the extension and retraction of the arc-shaped sampling tube 566. The output stroke of the hydraulic cylinder 569 is precisely matched with the extension length of the sampling tube, which can strictly control the sampling depth. At the same time, when the drive motor 58 drives the screw rod 52 to rotate, the arc-shaped sampling tube 566 rotates synchronously with the screw rod, realizing the efficient rotary collection of deep geological samples.

[0020] Reference Figures 3-5 As shown, the sealing structure 57 includes a fixing plate 571, which is fixedly connected to the inner wall of the cavity 53. A connecting shaft 572 is rotatably connected inside the fixing plate 571. Connecting rods 573 are fixedly installed on the outer walls of both ends of the connecting shaft 572. An arc-shaped sealing plate 574 is fixedly installed on the outer wall of one end of the connecting rod 573. The arc-shaped sealing plate 574 fits against the inner wall of the cavity 53 to seal the sampling hole 54. A forward and reverse motor 575 is fixedly installed on the fixing plate 571, and the output end of the forward and reverse motor 575 is fixedly connected to the top end of the connecting shaft 572. The outer wall of the connecting shaft 572 is movably connected to the inside of the U-shaped plate 565. The forward and reverse motor 575 drives the connecting shaft 572 and the connecting rods 573 to rotate, thereby opening and closing the arc-shaped sealing plate 574. When drilling, the sampling hole 54 is sealed to prevent soil from entering the cavity 53. When sampling, the sampling hole 54 is opened to ensure that the sample enters.

[0021] In this embodiment, the sealing structure 57 is used to seal the sampling hole 54 with the arc-shaped sealing plate 574 during the drilling process, effectively preventing soil from entering the cavity 53 and avoiding sample contamination; when sampling, the sealing plate is opened to ensure that the geological sample enters the winding box 567 accurately through the arc-shaped sampling tube 566, thus ensuring the purity and representativeness of the sample.

[0022] Reference Figure 1 and Figure 2 As shown, a drive motor 58 is fixedly installed on the upper surface of the movable plate 4, and the output end of the drive motor 58 is fixedly connected to the top end of the rotating shaft 51; two positive and negative motors 7 are fixedly installed at both ends of the upper surface of the support frame 1, and the output end of the positive and negative motors 7 is fixedly connected to the top end of the threaded rod 6; a spiral blade is fixedly provided on the outer wall of the spiral rod 52, and the spiral direction of the spiral blade is adapted to the rotation direction of the rotating shaft 51, which is used to discharge soil during the drilling process.

[0023] Reference Figures 3-5 As shown, the size of the arc-shaped sampling tube 566 is matched with the size of the sampling hole 54, and the arc-shaped sampling tube 566 can extend to the outside of the screw rod 52 through the sampling hole 54. The winding box 567 is provided with a sample storage cavity, which is connected to the internal channel of the arc-shaped sampling tube 566. It is used to collect and temporarily store the geological samples that enter through the arc-shaped sampling tube 566. The maximum stroke of the output end of the hydraulic cylinder 569 matches the maximum length of the arc-shaped sampling tube 566 extending to the outside of the screw rod 52, ensuring that the arc-shaped sampling tube 566 can extend to the predetermined sampling depth.

[0024] In this embodiment, by activating the hydraulic cylinder 569, the U-shaped plate 565 and the arc-shaped sampling tube 566 are pushed to slide along the T-shaped groove 562, so that the arc-shaped sampling tube 566 extends through the sampling hole 54 to the outside of the spiral rod 52. Then, the drive motor 58 is activated, driving the rotating shaft 51, the spiral rod 52 and the drill bit 55 to rotate, so that the arc-shaped sampling tube 566 rotates to collect the geological sample, so that the geological sample enters the sample storage cavity of the winding box 567 through the arc-shaped sampling tube 566. Then, the drive motor 58 is turned off. After sampling is completed, the hydraulic cylinder 569 retracts, driving the arc-shaped sampling tube 566 back into the cavity 53.

[0025] During use, the support frame 1 is fixed in the area to be surveyed to ensure equipment stability. For drilling preparation, the second reversible motor 7 is started, driving the threaded rod 6 to rotate, which in turn moves the T-block 3 and movable plate 4 downwards. Simultaneously, the drive motor 58 is started, driving the rotating shaft 51, spiral rod 52, and drill bit 55 to rotate. Drilling is performed through the drill bit 55 and spiral blades, with soil being discharged with the spiral blades. When the spiral rod 52 reaches the preset depth, the second reversible motor 7 and drive motor 58 are paused. The first reversible motor 575 is started, driving the connecting shaft 572 to rotate, which in turn rotates the arc-shaped sealing plate 574, opening the sampling hole 54. Then, the hydraulic cylinder 569 is started, pushing the U-shaped plate 565 and the arc-shaped sampling tube 566 to slide along the T-shaped groove 562, causing the arc... The arc-shaped sampling tube 566 extends through the sampling hole 54 to the outside of the spiral rod 52. Then, the drive motor 58 is started, driving the rotating shaft 51, the spiral rod 52, and the drill bit 55 to rotate, so that the arc-shaped sampling tube 566 rotates to collect the geological sample. The geological sample enters the sample storage cavity of the winding box 567 through the arc-shaped sampling tube 566, and then the drive motor 58 is turned off. After sampling is completed, the hydraulic cylinder 569 retracts, driving the arc-shaped sampling tube 566 back into the cavity 53. The first forward and reverse motor 575 rotates in the opposite direction, driving the arc-shaped sealing plate 574 to reset and reseal the sampling hole 54. Then, the second forward and reverse motor 7 is started to rotate in the opposite direction, driving the movable plate 4 and the spiral rod 52 to rise to the ground, and then the sample in the winding box 567 is taken out, completing the sampling.

[0026] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A deep sampling device for geological engineering surveys, comprising a support frame (1), characterized in that: The support frame (1) has two symmetrically arranged T-shaped grooves (2) on its inner side. A T-shaped block (3) is slidably connected in the T-shaped groove (2). A movable plate (4) is fixedly connected to the side of the T-shaped block (3) away from the T-shaped groove (2). A drilling structure (5) is provided on the movable plate (4). The drilling structure (5) includes a rotating shaft (51). The top outer wall of the rotating shaft (51) is rotatably connected to the inside of the movable plate (4). A spiral rod (52) is fixedly installed at the bottom end of the rotating shaft (51). A cavity (53) is opened in the spiral rod (52). Several sampling holes (54) communicating with the cavity (53) are opened on the outer wall of the spiral rod (52). A drill bit (55) is fixedly installed at the bottom end of the spiral rod (52). A sampling structure (56) and a sealing structure (57) are provided in the cavity (53). A drive motor (58) for driving the rotating shaft (51) is installed on the movable plate (4).

2. The deep sampling device for geological engineering investigation according to claim 1, characterized in that: A threaded rod (6) is rotatably connected to the support frame (1) in the T-slot (2). The threaded rod (6) is threadedly engaged with the T-block (3). A positive and negative motor (7) for driving the threaded rod (6) is installed on the support frame (1).

3. The deep sampling device for geological engineering investigation according to claim 1, characterized in that: The sampling structure (56) includes a sector plate (561), which is fixedly installed on the inner wall of the cavity (53). A T-shaped groove (562) is provided on the sector plate (561), and a T-shaped slider (563) is slidably connected in the T-shaped groove (562). The T-shaped slider (563) is fixedly connected to an L-shaped support plate (564), and a U-shaped support plate (564) is fixedly installed on the side of the L-shaped support plate (564) away from the T-shaped slider (563). A U-shaped plate (565) has an arc-shaped sampling tube (566) fixedly installed on one side. One end of the arc-shaped sampling tube (566) is located inside the side of the U-shaped plate (565) and is fixedly connected to a winding box (567). A groove (568) is opened on the side wall of the spiral rod (52). A hydraulic cylinder (569) is fixedly installed in the groove (568). The output end of the hydraulic cylinder (569) is fixedly connected to the outer wall of one end of the U-shaped plate (565).

4. The deep sampling device for geological engineering investigation according to claim 3, characterized in that: The sealing structure (57) includes a fixing plate (571), which is fixedly connected to the inner wall of the cavity (53). A connecting shaft (572) is rotatably connected inside the fixing plate (571). Connecting rods (573) are fixedly installed on the outer walls of both ends of the connecting shaft (572). An arc-shaped sealing plate (574) is fixedly installed on the outer wall of one end of the connecting rod (573). The arc-shaped sealing plate (574) fits against the inner wall of the cavity (53) and can seal the sampling hole (54). A forward and reverse motor (575) is fixedly installed on the fixing plate (571), and the output end of the forward and reverse motor (575) is fixedly connected to the top end of the connecting shaft (572). The outer wall of the connecting shaft (572) is movably connected to the inside of the U-shaped plate (565).

5. The deep sampling device for geological engineering investigation according to claim 1, characterized in that: A drive motor (58) is fixedly installed on the upper surface of the movable plate (4), and the output end of the drive motor (58) is fixedly connected to the top end of the rotating shaft (51); two positive and negative motors (7) are fixedly installed at both ends of the upper surface of the support frame (1), and the output end of the positive and negative motors (7) is fixedly connected to the top end of the threaded rod (6); the outer wall of the spiral rod (52) is fixedly provided with spiral blades, and the rotation direction of the spiral blades is adapted to the rotation direction of the rotating shaft (51) for discharging soil during the drilling process.

6. A deep sampling device for geological engineering exploration according to claim 3, characterized in that: The size of the arc-shaped sampling tube (566) is matched with the size of the sampling hole (54), and the arc-shaped sampling tube (566) can extend through the sampling hole (54) to the outside of the spiral rod (52). The inside of the winding box (567) is provided with a sample storage cavity, which is connected to the internal channel of the arc-shaped sampling tube (566) for collecting and temporarily storing geological samples entering through the arc-shaped sampling tube (566). The maximum stroke of the output end of the hydraulic cylinder (569) matches the maximum length of the arc-shaped sampling tube (566) extending outside the spiral rod (52) to ensure that the arc-shaped sampling tube (566) can extend to the predetermined sampling depth.

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