Complicated geological negative feedback forced vertical exploration device

Abstract

This invention provides a forced vertical exploration device with negative feedback for complex geological conditions, belonging to the field of exploration drilling technology. It includes a frame with a vertically sliding drill head connected to it. The drill head is driven to move vertically via a downward-moving component. A drill rod is connected to the bottom of the drill head, with its top extending into the drill head and connected to a drive component inside. A drill bit is connected to the bottom of the drill rod, allowing it to pass through the frame and drill into the ground. This invention, through the drive component and a drill retraction component located at the top of the drive component, enables the drill bit to automatically retract when encountering hard rock or soil layers that cannot be penetrated in one pass, allowing for repeated drilling until the rock or soil layer is penetrated. This prevents the drill bit from getting stuck in the rock or soil layer for extended periods, thus avoiding motor damage, and allows for drilling through the rock or soil layer through repeated automatic retraction and torque increase. It is convenient and quick to use.

Description

Technical Field

[0001] This utility model belongs to the field of exploration drilling technology, specifically relating to a forced vertical exploration device with negative feedback in complex geology. Background Technology

[0002] Geological exploration is an investigation and research activity that uses various means and methods to explore and detect geology, determine suitable bearing strata, determine the foundation type based on the bearing capacity of the bearing strata, and calculate foundation parameters. One of the most widely used exploration methods in geological exploration is drilling, which involves using a drilling rig to drill holes in the strata to identify and delineate subsurface strata and to take samples along the hole depth.

[0003] Existing exploration equipment, such as the geological exploration drill pipe device proposed in patent application CN221277665U, although capable of completing basic drilling and buffering drill pipe vibration through the arrangement of drill pipe components, limiting rings, and guiding components, still has the following shortcomings:

[0004] When encountering hard rock or other hard soil layers, this device may fail to penetrate after one drilling attempt, causing the drill bit to get stuck in the rock. In this case, the drill bit must be withdrawn and the drilling process restarted. Its use is quite cumbersome and requires a high level of operational skill. Utility Model Content

[0005] To address the problems existing in the above-mentioned technologies, a complex geological negative feedback forced vertical exploration device is proposed.

[0006] The technical solution of this utility model to solve the technical problem is as follows: a complex geological negative feedback forced vertical exploration device, including a frame, a machine head vertically slidably connected on the frame, the machine head being driven to move vertically through a downward moving component; a drill rod connected to the bottom of the machine head, the top of the drill rod extending into the machine head and connected to the drive component inside the machine head; a drill bit connected to the bottom of the drill rod, the drill bit being able to pass through the frame to drill and explore.

[0007] Preferably, the drive assembly includes a drive rod rotatably connected inside the drill head. The drive rod is driven to rotate by a first motor fixed to the drill head. A first gear is connected to the drive rod, and a second gear is connected to the top of the drill rod. The thickness of the second gear is greater than that of the first gear, so that the second gear can move vertically while rotating under the drive of the first gear. A drill retraction assembly is connected to the top of the second gear, and the drill retraction assembly can drive the second gear to move vertically.

[0008] Preferably, the drill retraction assembly includes a protrusion connected to the top wall of the drill head, a vertical groove formed on the side of the protrusion, and a slider slidably connected within the vertical groove; a vertical rod connected to the top of the second gear, the top of the vertical rod passing through the protrusion and connected to the slider, so that the vertical rod can move vertically with the slider; a guide rod is also rotatably connected to the top wall of the drill head, the guide rod is driven to rotate by a second motor fixed to the drill head, a guide groove is formed on the outer wall of the guide rod, a guide rod is slidably connected within the guide groove, the end of the guide rod is connected to the slider, and the movement of the guide rod along the guide groove can drive the slider to move vertically.

[0009] Preferably, a return spring is provided on the outer sleeve of the vertical rod, with one end of the return spring connected to the bottom of the slider and the other end connected to the bottom of the vertical groove.

[0010] Preferably, the guide groove includes AB segment groove, BC segment groove and CA segment groove connected circumferentially. The AB segment groove is set vertically, and the guide rod can move from point B to point A under the action of the return spring in the AB segment. The BC segment groove is set horizontally, and the drill bit starts to drill into the ground when the guide rod is stuck in the BC segment groove. The CA segment groove is set at an inclination, and the guide rod is pressed down in the CA segment groove.

[0011] Preferably, an arc-shaped groove is provided on the upper wall of the BC section groove to prevent the guide rod from slipping in the BC section groove.

[0012] Preferably, the lowering component includes vertical slots on both sides of the frame, with a screw rotatably connected in the vertical slot. The screw is driven to rotate by a third motor on the frame. A guide block is threadedly connected to the corresponding screw. The guide block can slide in the vertical slot and is connected to the end of the head. The rotation of the screw can drive the guide block to move vertically, thereby driving the head to move downward for exploration.

[0013] Preferably, a through hole is provided at the bottom of the frame, through which the drill bit can pass for drilling exploration.

[0014] Compared with existing technologies, the above technical solution has the following advantages or beneficial effects:

[0015] This invention, through a drive assembly and a drill retraction assembly located on top of the drive assembly, enables the drill bit to automatically retract multiple times when encountering hard rock and soil layers that cannot be drilled through in one go. After increasing the torque, it can then drill again, repeatedly drilling until the rock and soil layer is penetrated. This not only prevents the drill bit from getting stuck in the rock and soil layer for a long time and causing damage to the motor, but also achieves the goal of drilling through the rock and soil layer through multiple automatic retraction and torque increase, making it convenient and quick to use. Attached Figure Description

[0016] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of the engine head.

[0019] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0020] Figure 4 This is a schematic diagram of the guide groove in its unfolded state.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Frame; 11. Through hole; 2. Head; 3. Drill rod; 4. Drill bit; 5. Lowering assembly; 51. Vertical slot; 52. Screw; 53. Guide block; 54. Third motor; 6. Drive assembly; 61. Drive rod; 62. First gear; 63. Second gear; 64. First motor; 7. Drill retraction assembly; 71. Protrusion; 72. Vertical slide; 73. Vertical rod; 74. Return spring; 75. Slider; 76. Guide rod; 77. Guide rod; 78. Guide slot; 781. AB segment slot; 782. BC segment slot; 783. CA segment slot; 784. Arc-shaped groove; 79. Second motor. Detailed Implementation

[0023] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present invention omits descriptions of well-known components and processing techniques and processes to avoid unnecessarily limiting the present invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Please see Figures 1-4 This embodiment proposes a forced vertical exploration device with negative feedback for complex geology, which improves the problem of difficulty in drilling hard soil and rock layers in complex geology. It includes a frame 1, a head 2 vertically slidably connected to the frame 1, and the head 2 is driven to move vertically by a downward component 5; a drill rod 3 is connected to the bottom of the head 2, the top of the drill rod 3 extends into the head 2 and is connected to a drive component 6 inside the head 2; a drill bit 4 is connected to the bottom of the drill rod 3, and a through hole 11 is opened at the bottom of the frame 1, through which the drill bit 4 can pass for drilling exploration.

[0025] The drive assembly 6 includes a drive rod 61 rotatably connected inside the head 2. The drive rod 61 is driven to rotate by a first motor 64 fixed on the head 2. A first gear 62 is connected to the drive rod 61, and a second gear 63 is connected to the top of the drill rod 3. The thickness of the second gear 63 is greater than that of the first gear 62, so that the second gear 63 can move vertically while rotating under the drive of the first gear 62. The top of the second gear 63 is connected to a drill retraction assembly 7, which can drive the second gear 63 to move vertically.

[0026] The drill retraction assembly 7 includes a protrusion 71 connected to the top wall of the drill head 2. A vertical groove 72 is formed on the side of the protrusion 71, and a slider 75 is slidably connected in the vertical groove 72. A vertical rod 73 is connected to the top of the second gear 63. The top of the vertical rod 73 passes through the protrusion 71 and is connected to the slider 75, so that the vertical rod 73 can move vertically with the slider 75. A guide rod 77 is also rotatably connected to the top wall of the drill head 2. The guide rod 77 is driven to rotate by a second motor 79 fixed on the drill head 2. A guide groove 78 is formed on the outer wall of the guide rod 77. A guide rod 76 is slidably connected in the guide groove 78. The end of the guide rod 76 is connected to the slider 75. The movement of the guide rod 76 along the guide groove 78 can drive the slider 75 to move vertically.

[0027] How to use:

[0028] First, the frame 1 is placed on the ground to be explored. The lowering component 5 is activated to move the head 2 down, thereby driving the drill bit 4 to drill. When encountering a hard soil layer that is difficult to penetrate in one go, the lowering drilling is stopped, and the retraction component 7 is activated to lift the drill bit 4 and increase the torque before drilling down again. After drilling through the hard soil layer multiple times, the retraction component 7 is activated again, and the lowering component 5 is restarted to continue drilling.

[0029] Example 2:

[0030] Please see Figure 4 , Figure 4 The diagram shows the guide groove 78 in the unfolded state of the outer wall of the guide rod 77 in this embodiment. The guide groove 78 includes AB segment groove 781, BC segment groove 782, and CA segment groove 783 connected circumferentially. AB segment groove 781 is vertically arranged, allowing the guide rod 76 to move from point B to point A under the action of the return spring 74. BC segment groove 782 is horizontally arranged, allowing the drill bit 4 to begin drilling into the ground when the guide rod 76 is engaged within it. CA segment groove 783 is inclined, allowing the guide rod 76 to be pressed down within it. An arc-shaped groove 784 can be formed on the upper wall of BC segment groove 782, allowing the guide rod 76 to engage within it and preventing slippage within BC segment groove 782.

[0031] Finally, a return spring 74 is provided on the outer sleeve of the vertical rod 73. One end of the return spring 74 is connected to the bottom of the slider 75, and the other end is connected to the bottom of the vertical slide groove 72.

[0032] Working principle:

[0033] Upon encountering a hard soil layer, the force sensor inside the drill head 2 detects that drilling has stopped, and the second motor 79 starts, driving the guide rod 77 to rotate. The guide rod 76 moves to point B under the rotation of the guide groove 78, and then bounces up to point A under the action of the return spring 74. At this time, the drill bit 4 separates from the hard soil layer, allowing the first motor 64 to speed up again, and the drill bit 4 gradually descends under the guidance of the CA section groove 783. After repeating this process several times, the hard soil layer can be drilled through without manual operation.

[0034] Finally, this embodiment also provides a downward moving component 5 that drives the head 2 to move downward, including vertical grooves 51 on both sides of the frame 1, a screw 52 rotatably connected in the vertical grooves 51, the screw 52 being driven to rotate by a third motor 54 on the frame 1; a guide block 53 is threadedly connected to the corresponding screw 52, ​​the guide block 53 can slide in the vertical grooves 51, the guide block 53 is connected to the end of the head 2, and the rotation of the screw 52 can drive the guide block 53 to move vertically, thereby driving the head 2 to move downward for exploration.

[0035] Although the specific embodiments of the utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the utility model. Based on the technical solution of the utility model, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the utility model.

Claims

1. A forced vertical exploration device with negative feedback in complex geology, characterized in that: Includes a frame (1), on which a machine head (2) is vertically slidably connected, and the machine head (2) is driven to move vertically by a downward moving component (5); the bottom of the machine head (2) is connected to a drill rod (3), the top of the drill rod (3) extends into the machine head (2) and is connected to a drive component (6) inside the machine head (2); the bottom of the drill rod (3) is connected to a drill bit (4), and the drill bit (4) can pass through the frame (1) to drill and explore; The drive assembly (6) includes a drive rod (61) rotatably connected inside the head (2). The drive rod (61) is driven to rotate by a first motor (64) fixed on the head (2). A first gear (62) is connected to the drive rod (61), and a second gear (63) is connected to the top of the drill rod (3). The thickness of the second gear (63) is greater than that of the first gear (62), so that the second gear (63) can move vertically while rotating under the drive of the first gear (62). The top of the second gear (63) is connected to a drill retraction assembly (7), which can drive the second gear (63) to move vertically. The drill retraction assembly (7) includes a protrusion (71) connected to the top wall of the head (2), a vertical groove (72) is opened on the side of the protrusion (71), and a slider (75) is slidably connected in the vertical groove (72); the top of the second gear (63) is connected to a vertical rod (73), the top of the vertical rod (73) passes through the protrusion (71) and is connected to the slider (75), so that the vertical rod (73) can move vertically with the slider (75); the top wall of the head (2) is also rotatably connected to a guide rod (77), the guide rod (77) is driven to rotate by a second motor (79) fixed on the head (2), a guide groove (78) is opened on the outer wall of the guide rod (77), a guide rod (76) is slidably connected in the guide groove (78), the end of the guide rod (76) is connected to the slider (75), and the guide rod (76) can drive the slider (75) to move vertically by moving along the guide groove (78).

2. The complex geological negative feedback forced vertical exploration device according to claim 1, characterized in that: A return spring (74) is provided on the outer sleeve of the vertical rod (73). One end of the return spring (74) is connected to the bottom of the slider (75), and the other end is connected to the bottom of the vertical groove (72).

3. The complex geological negative feedback forced vertical exploration device according to claim 2, characterized in that: The guide groove (78) includes the AB section groove (781), the BC section groove (782) and the CA section groove (783) connected circumferentially. The AB section groove (781) is set vertically, and the guide rod (76) can move from point B to point A under the action of the return spring (74) in the AB section. The BC section groove (782) is set horizontally, and the drill bit (4) starts to drill into the ground when the guide rod (76) is stuck in the BC section groove (782). The CA section groove (783) is set at an angle, and the guide rod (76) is pressed down in the CA section groove (783).

4. The complex geological negative feedback forced vertical exploration device according to claim 3, characterized in that: An arc-shaped groove (784) is provided on the upper wall of the BC section groove (782) to prevent the guide rod (76) from slipping in the BC section groove (782).

5. The complex geological negative feedback forced vertical exploration device according to claim 1, characterized in that: The lowering assembly (5) includes vertical slots (51) on both sides of the frame (1), and a screw (52) is rotatably connected in the vertical slots (51). The screw (52) is driven to rotate by a third motor (54) on the frame (1). A guide block (53) is threadedly connected to the corresponding screw (52). The guide block (53) can slide in the vertical slots (51). The guide block (53) is connected to the end of the head (2). The rotation of the screw (52) can drive the guide block (53) to move vertically, thereby driving the head (2) to move down for exploration.

6. The complex geological negative feedback forced vertical exploration device according to claim 1, characterized in that: A through hole (11) is opened at the bottom of the frame (1), and the drill bit (4) can pass through the through hole (11) to carry out drilling exploration.

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