An energy-saving anti-deviation drilling device
By designing a deviation correction component and a pressure conversion component in the drilling equipment, and using deviation pressure for self-correction, the problem of borehole deviation is solved, and the accuracy and efficiency of drilling are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-13
AI Technical Summary
In geological exploration, borehole deviation causes geological samples to lose their representativeness, affecting the accuracy of reserve assessment, and existing technologies are difficult to effectively prevent borehole deviation.
An energy-saving anti-deviation drilling device was designed, which achieves self-correction by using its own deviation pressure when the drill rod and drill bit deviate. It includes first and second deviation correction components and deviation pressure conversion components, and uses deviation pressure for self-correction.
It improves drilling accuracy, avoids secondary drilling, saves manpower and resources, and enhances drilling efficiency and precision.
Smart Images

Figure CN120159302B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of drilling machinery technology, specifically to an energy-saving anti-deviation drilling device. Background Technology
[0002] In geological exploration, off-center drilling can lead to unrepresentative geological samples, affecting the accuracy of reserve assessment. Current engineering specifications generally require borehole verticality to be controlled at the level specified in the specifications, and the verticality standards are even more stringent for some ultra-deep holes or boreholes under special geological conditions.
[0003] However, drilling deviation is a frequent problem during drilling operations, stemming from a complex interplay of geological, technological, and equipment factors. Geologically, the anisotropic nature of rocks causes uneven stress on the drill bit. In alternating layers of soft and hard rock, the drill bit is prone to deviation due to pressure differentials. When encountering karst caves or fracture zones, the drill string can easily lose its guidance and deviate from its designed trajectory. In terms of drilling technology, improper settings of pressure and rotation speed parameters, unbalanced flushing fluid flow control, and a lack of effective guidance devices in drill string connections and diameter changes all exacerbate the risk of drilling deviation. Regarding equipment, issues such as unstable drilling rig installation and severe vertical shaft wear compromise the initial accuracy of the borehole from the outset. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this invention provides an energy-saving anti-deviation drilling device. Through structural improvements, it can utilize its own deviation pressure to self-correct deviations during drilling processes involving the drill rod and drill bit.
[0005] To achieve the above objectives, the present invention provides the following technical solution: an energy-saving anti-deviation drilling device, comprising a tracked drilling machine body, a lifting frame installed at the front end of the tracked drilling machine body, a drilling stabilizing seat installed below the lifting frame, a hydraulic rod installed on one side of the inner side of the drilling stabilizing seat, a movable seat installed at the telescopic end of the hydraulic rod, a first deviation correction component installed on the upper inner side of the movable seat, a second deviation correction component installed on the lower inner side of the movable seat, a deviation pressure conversion component installed at one end of the inner side of the movable seat, one end of the deviation pressure conversion component connected to the first deviation correction component, and the other end of the deviation pressure conversion component connected to the second deviation correction component by a contact connection method;
[0006] The first off-center correction component includes a second fixed seat installed at the bottom of the inside of the movable seat. An off-center pressure transmission rod is slidably installed on the inner side of the second fixed seat, and a bonding plate is installed at one end of the off-center pressure transmission rod.
[0007] The second off-center correction component includes a sliding seat that can be slidably mounted on the bottom of the movable seat. A second bonding plate is installed on one end of the inner side of the sliding seat, and a connecting plate is installed on the other end of the inner side of the sliding seat.
[0008] Preferably, the lifting end of the lifting frame is equipped with a first fixed seat, and a drilling rig is installed on one side of the first fixed seat. The output end of the drilling rig is connected to the drill rod and the drill bit.
[0009] Preferably, the front end of the drilling stabilizing seat is provided with a drilling interface, and the position of the drilling interface corresponds to the position of the drill rod and the drill bit.
[0010] Preferably, the sliding seat is U-shaped, and the size of the sliding seat is adapted to the size of the moving seat. The sliding seat can slide smoothly within the moving seat. The position of the second bonding plate is adjustable. The gap between the second bonding plate and the first bonding plate can be adjusted to meet the usage requirements of drill rods and drill bits of different sizes.
[0011] Preferably, one end of the eccentric drilling pressure transmission rod has a spherical surface, the first bonding plate is arc-shaped, and both the second bonding plate and the first bonding plate are made of wear-resistant material.
[0012] Preferably, the off-center drilling pressure conversion component includes a mounting base installed inside the movable base at one end. A first rotating arm is rotatably mounted on the inner side of the mounting base. The first rotating arm is connected to the mounting base via a first rotating rod. A second rotating arm is symmetrically rotatably mounted on the lower end of the first rotating arm. The second rotating arm is connected to the first rotating arm via a second rotating rod. A traction slide rod is fixed above one side of the second rotating arm. A third rotating rod is laterally fixed on the inner side of the movable base at a position corresponding to the two second rotating arms.
[0013] Preferably, a lever arm conversion groove is provided at the position of the second rotating arm corresponding to the position of the third rotating rod. Both the third rotating rod and the lever arm conversion groove are located in the upper half of the second rotating arm. The first rotating rod is located at the lower part of the first rotating arm. A traction groove is provided at one end of the connecting plate corresponding to the position of the traction slide rod.
[0014] Preferably, an inner groove is provided above one end of the movable seat, and a spring is installed inside the inner side of the inner groove. One end of the spring is fixedly connected to the upper end of the first rotating arm for resetting the first rotating arm.
[0015] Compared with the prior art, the present invention provides an energy-saving anti-deviation drilling device with the following beneficial effects: through the design of the first deviation correction component, the second deviation correction component and the deviation pressure conversion component, the deviation pressure can be amplified and utilized during the deviation process, and the deviation can be self-corrected, thereby improving the drilling accuracy and avoiding the need for secondary drilling, which would otherwise waste manpower and resources. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the present invention;
[0017] Figure 2 This is a schematic diagram of the structure of the drilling stabilization seat in this invention;
[0018] Figure 3 This is a schematic diagram of the structure of the movable seat in this invention;
[0019] Figure 4 This is an internal sectional view of the movable seat in this invention;
[0020] Figure 5 This is a schematic diagram of the off-center drilling pressure conversion component in this invention;
[0021] Figure 6 This is a schematic diagram of the other side of the off-center drilling pressure conversion component in this invention;
[0022] Figure 7 This is a schematic diagram of the structure of the second off-center drilling correction component in this invention;
[0023] Figure 8 This is an internal cross-sectional view of the bottom of the movable seat in this invention.
[0024] In the diagram: 1. Tracked drilling rig body; 11. Lifting frame; 12. First fixed seat; 13. Drilling rig;
[0025] 2. Drilling stabilizing seat; 21. Drilling mating interface; 22. Hydraulic rod; 23. Moving seat;
[0026] 3. First off-center drilling correction component; 31. Second fixing seat; 32. Off-center drilling pressure transmission rod; 33. Spherical surface; 34. Adhesive plate one;
[0027] 4. Sliding seat; 41. Adhesive plate two; 42. Connecting plate;
[0028] 5. Off-center drilling pressure conversion component; 51. Mounting base; 52. First rotating arm; 53. First rotating rod; 54. Second rotating arm; 55. Second rotating rod; 56. Traction slide bar; 561. Traction slide groove; 57. Third rotating rod; 571. Lever arm conversion slide groove;
[0029] 6. Inner groove; 61. Spring. Detailed Implementation
[0030] In this invention, unless otherwise stated, the directional terms such as "up" and "down" generally refer to the directions shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.
[0031] Please see Figure 1-8 This invention provides a technical solution for an energy-saving anti-deviation drilling device:
[0032] Example 1: An energy-saving anti-deviation drilling device includes a tracked drilling machine body 1. A lifting frame 11 is installed at the front end of the tracked drilling machine body 1. A drilling stabilizing seat 2 is installed below the lifting frame 11. A hydraulic rod 22 is installed on one side inside the drilling stabilizing seat 2. A movable seat 23 is installed at the telescopic end of the hydraulic rod 22. A first deviation correction component 3 is installed on the upper inner side of the movable seat 23. A second deviation correction component is installed on the lower inner side of the movable seat 23. A deviation pressure conversion component 5 is installed at one end inside the movable seat 23. One end of the deviation pressure conversion component 5 is connected to the first deviation correction component 3, and the other end of the deviation pressure conversion component 5 is connected to the second deviation correction component in a contact manner.
[0033] The first off-center correction component 3 includes a second fixed base 31 installed at the bottom of the inside of the movable base 23. An off-center pressure transmission rod 32 is slidably installed on the inner side of the second fixed base 31. A bonding plate 34 is installed at one end of the off-center pressure transmission rod 32.
[0034] The second off-center correction component includes a sliding seat 4 that can be slidably installed at the bottom of the movable seat 23. A second adhesive plate 41 is installed at one end of the inner side of the sliding seat 4, and a connecting plate 42 is installed at the other end of the inner side of the sliding seat 4.
[0035] The lifting end of the lifting frame 11 is equipped with a first fixed seat 12, and a drilling rig 13 is installed on one side of the first fixed seat 12. The output end of the drilling rig 13 is connected to the drill rod and the drill bit.
[0036] In embodiment two, the front end of the drilling stabilizing seat 2 is provided with a drilling interface 21, the position of which corresponds to the position of the drill rod and the drill bit. The sliding seat 4 is U-shaped, and its size is adapted to the size of the moving seat 23. The sliding seat 4 can slide smoothly within the moving seat 23. The position of the second bonding plate 41 is adjustable. The gap between the second bonding plate 41 and the first bonding plate 34 can be adjusted to meet the usage requirements of drill rods and drill bits of different sizes. One end of the off-center drilling pressure transmission rod 32 is provided with a spherical surface 33. The first bonding plate 34 is arc-shaped. Both the second bonding plate 41 and the first bonding plate 34 are made of wear-resistant material.
[0037] In embodiment 3, the off-center drilling pressure conversion component 5 includes a mounting base 51 installed inside the movable base 23 at one end. A first rotating arm 52 is rotatably mounted on the inner side of the mounting base 51. The first rotating arm 52 is connected to the mounting base 51 via a first rotating rod 53. A second rotating arm 54 is symmetrically rotatably mounted on the lower end of the first rotating arm 52. The second rotating arm 54 is connected to the first rotating arm 52 via a second rotating rod 55. A traction slide rod 56 is fixed above one side of the second rotating arm 54. A third rotating rod 57 is laterally fixed on the inner side of the movable base 23 at a position corresponding to the two second rotating arms 54. The height of the third rotating rod 57 is below the connecting plate 42, so it will not obstruct the movement of the second off-center drilling correction component. A lever conversion groove 57 is formed at the position of the second rotating arm 54 corresponding to the third rotating rod 57. 1. The third rotating rod 57 and the lever arm conversion groove 571 are both located in the upper half of the second rotating arm 54. The first rotating rod 53 is located in the lower part of the first rotating arm 52. A traction groove 561 is provided at one end of the connecting plate 42 and at the position corresponding to the traction slide rod 56. The traction slide rod 56 is slidably connected to the connecting plate 42. The third rotating rod 57 is slidably connected to the second rotating arm 54. With the help of the lever arm conversion of the off-drill pressure conversion component 5, the magnitude of the tilt pressure can be converted when the drill rod and drill bit are in different tilt states. The pressure when off-drill occurs can be utilized and converted into off-drill correction force to complete the self-correction of off-drill. Moreover, the conversion of off-drill correction pressure will be different when the tilt direction of the drill rod and drill bit is different, thereby satisfying the off-drill correction of different tilt states.
[0038] An inner groove 6 is provided on the upper part of one end of the movable base 23. A spring 61 is installed on the inner side of the inner groove 6. One end of the spring 61 is fixedly connected to the upper end of the first rotating arm 52 for resetting the first rotating arm 52. When the first rotating arm 52 is in a vertical state, the spring 61 is in the initial state.
[0039] In practical use, this invention serves as an energy-saving anti-deviation drilling device. When drilling is required, the device is first moved to the drilling location, and the corresponding model of drill rod and drill bit are connected to the output end of the drilling machine 13. At the same time, the gap between the first bonding plate 34 and the second bonding plate 41 is adjusted to match the drill rod and drill bit.
[0040] The drilling rig 13 is started, driving the drill rod and drill bit downwards. During drilling, the hardness, density, and other physical properties of different strata vary. For example, when drilling from a softer soil layer to a harder rock layer, the drill bit will encounter uneven resistance at the interface between soft and hard layers, causing it to deviate towards the softer soil layer. This will cause a shift in the overall drilling state, resulting in the drill rod tilting and deviating. When the drill rod tilts towards the bonding plate 34, the tilting pressure acts on a distance from the drill bit, generating a thrust on the bonding plate 34. This pushes the deviating pressure transmission rod 32 to move laterally along the second fixed seat 31, and pushes the upper end of the first rotating arm 52 to rotate inward around the first rotating rod 53. Because the lever arm above the first rotating arm 52 is longer, the tilting pressure is amplified and pulled... The second rotating rod 55 and the second rotating arm 54 rotate around the third rotating rod 57. Since the lever arm below the second rotating arm 54 is longer, the pressure on the off-center drill is amplified a second time. At this time, the traction slide rod 56 will pull the connecting plate 42, the sliding seat 4, and the second bonding plate 41 to generate a force for the off-center drill to be reset downward. Due to the effect of the secondary lever arm, the pressure on the off-center drill can be amplified, the efficiency of the off-center drill reset can be improved, and the self-correction of the off-center drill can be completed. Moreover, due to the amplification of the secondary lever arm, the second bonding plate 41 can obtain a larger displacement space than the first bonding plate 34. Therefore, a set can be set up in layers, one above and one below, so as to achieve self-correction of off-center drill in multiple directions.
[0041] The above are merely specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on the present invention to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of the present invention.
Claims
1. An energy-saving anti-deviation drilling device, comprising a tracked drilling rig body (1), wherein a lifting frame (11) is installed at the front end of the tracked drilling rig body (1), and a drilling stabilizing seat (2) is installed below the lifting frame (11), characterized in that: A hydraulic rod (22) is installed on one side of the inside of the drilling stabilizing seat (2). A movable seat (23) is installed at the telescopic end of the hydraulic rod (22). A first off-drilling correction component (3) is installed on the upper inner side of the movable seat (23). A second off-drilling correction component is installed on the lower inner side of the movable seat (23). An off-drilling pressure conversion component (5) is installed at one end of the inside of the movable seat (23). One end of the off-drilling pressure conversion component (5) is connected to the first off-drilling correction component (3). The other end of the off-drilling pressure conversion component (5) is connected to the second off-drilling correction component in a contact manner. The first off-drill correction component (3) includes a second fixed seat (31) installed at the bottom of the inside of the movable seat (23). An off-drill pressure transmission rod (32) is slidably installed on the inner side of the second fixed seat (31). A bonding plate (34) is installed at one end of the off-drill pressure transmission rod (32). The second off-center correction component includes a sliding seat (4) that can be slidably installed at the bottom of the movable seat (23). A second bonding plate (41) is installed on one end of the inner side of the sliding seat (4), and a connecting plate (42) is installed on the other end of the inner side of the sliding seat (4). One end of the eccentric pressure transmission rod (32) is provided with a spherical surface (33), the first bonding plate (34) is arc-shaped, and both the second bonding plate (41) and the first bonding plate (34) are made of wear-resistant material; The off-center drilling pressure conversion component (5) includes a mounting base (51) installed inside one end of the movable base (23). A first rotating arm (52) is rotatably mounted on the inner side of the mounting base (51). The first rotating arm (52) is connected to the mounting base (51) through a first rotating rod (53). A second rotating arm (54) is symmetrically rotatably mounted on the lower end of the first rotating arm (52). The second rotating arm (54) is connected to the first rotating arm (52) through a second rotating rod (55). A traction slide rod (56) is fixed above one side of the second rotating arm (54). A third rotating rod (57) is laterally fixed on the inner side of the movable base (23) at a position corresponding to the two second rotating arms (54). The second rotating arm (54) has a lever arm conversion groove (571) at the position corresponding to the third rotating rod (57). The third rotating rod (57) and the lever arm conversion groove (571) are both located in the upper half of the second rotating arm (54). The first rotating rod (53) is located below the first rotating arm (52). One end of the connecting plate (42) has a traction groove (561) at the position corresponding to the traction slide rod (56). An inner groove (6) is provided above one end of the movable seat (23). A spring (61) is installed on the inner side of the inner groove (6). One end of the spring (61) is fixedly connected to the upper end of the first rotating arm (52) for resetting the first rotating arm (52).
2. The energy-saving anti-deviation drilling device according to claim 1, characterized in that: The lifting end of the lifting frame (11) is equipped with a first fixed seat (12), and a drilling machine (13) is installed on one side of the first fixed seat (12). The output end of the drilling machine (13) is connected to the drill rod and the drill bit.
3. The energy-saving anti-deviation drilling device according to claim 2, characterized in that: The front end of the drilling stabilizing seat (2) is provided with a drilling interface (21), and the position of the drilling interface (21) corresponds to the position of the drill rod and the drill bit.
4. The energy-saving anti-deviation drilling device according to claim 1, characterized in that: The sliding seat (4) is U-shaped, and the size of the sliding seat (4) is adapted to the size of the moving seat (23). The sliding seat (4) can slide smoothly inside the moving seat (23).
Citation Information
Patent Citations
Drilling equipment with drill bit correcting function
CN111648721A
Drilling deviation prevention device for geological survey
CN118029915A