Deep well directional drilling device
By introducing components such as a base plate, a base, and a hydraulic cylinder into the deep well directional drilling device, the universal swing of the guide frame and the laser indicator light correction are realized, solving the problem of keeping the drill rod vertical on uneven ground and improving the stability and ease of adjustment of the drilling.
Patent Information
- Application Number
- CN202520823096.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-28
AI Technical Summary
Existing drilling equipment has difficulty maintaining the verticality of the drill rod on uneven ground, resulting in borehole deviation and unstable drill rod operation.
A deep well directional drilling device was designed. By setting up components such as a base plate, a base, and a hydraulic cylinder, the guide frame can be omnidirectionally swung and laser indicator lights can be used for auxiliary correction, ensuring that the drill rod remains vertical.
It improves the stability and machining accuracy of drill rod drilling and enhances the ease of drill rod adjustment.
Smart Images

Figure CN223881112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to geological survey drilling technical field, specifically for a deep well directional drilling device. BACKGROUND
[0002] Geological survey drilling is closely related to the actual demand of the field such as mineral resources development, oil and gas field exploration, hydrogeological exploration and engineering geological exploration, and can realize comprehensive and accurate detection of underground mineral resources, wherein drilling equipment plays an important role in geological survey.
[0003] The patent for invention with publication number CN118065758B proposes a ground directional drilling device and its drilling method, relating to the field of geological survey drilling, the drilling device includes a rack, the top of the rack is provided with a drilling assembly, one side of the rack is provided with a fixing assembly, a drill rod penetrates the middle part of the fixing assembly, the side surface bottom of the drilling assembly is provided with an auxiliary assembly, the bottom of the rack is provided with an adjusting assembly, the fixing assembly includes a fixing seat, a fixing hole is formed in the middle part of the fixing seat, transmission grooves are equidistantly formed on the surface of the fixing seat, and a guide rod is slidably penetrated into one side of each transmission groove close to the fixing hole, the present application can perform directional drilling, avoids the obstruction of objects on the ground, prevents the inclination of the drill rod during drilling, improves the accuracy of drilling, and can assist in alignment when adding a new drill rod, improves the efficiency of adding, and in addition, the surface of the drill rod can be cleaned when the drill rod is taken out.
[0004] However, the above-mentioned prior art has the following disadvantages when in use: the rack needs to be in a horizontal state during drilling, and the guide frame needs to be in a vertical state, so that the drill rod can be in a vertical drilling state, but in actual use, the drill rod is difficult to be in a vertical state during drilling due to uneven ground, which affects the verticality of the drilled hole after drilling and causes bending stress on the drill rod, affecting the stability of the drill rod.
[0005] Therefore, the utility model provides a deep well directional drilling device. Utility model content
[0006] In view of the deficiencies of the prior art, the utility model aims to provide a deep well directional drilling device to solve the problems in the background art, which has the function of vertical adjustment of the drill rod, is fast and convenient to adjust, and improves the stability of vertical drilling of the drill rod.
[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: a deep well directional drilling device, the top of the frame is fixedly connected with the guide frame, the guide frame is provided with the movable seat, the bottom of the movable seat is connected with the top of the frame through the hydraulic cylinder, the bottom of the frame is provided with the seat plate, the upper end surface of the seat plate and one end of the frame are connected in rotation, both ends of the seat plate are rotatably connected with the base, the rotation axis of the seat plate and the base is perpendicular to the rotation axis of the seat plate and the frame, the bottom of the movable seat is connected with the suspension rod through the spherical hinge, and the bottom of the suspension rod is provided with the laser indicator.
[0008] Further, the top of the seat plate is fixedly connected with the adapter seat which is hingedly connected with one end of the frame, and one side of the seat plate is hingedly connected with one side of the guide frame through the control oil cylinder.
[0009] Further, both ends of the seat plate are welded with coaxial support shafts, and the top of the base is welded with the ear plate which is rotatably connected with the support shaft.
[0010] Further, the bottom of the seat plate is welded with the arc-shaped tooth plate, the arc center axis of the arc-shaped tooth plate coincides with the axis of the support shaft, the bottom of the base is rotatably connected with the transmission gear which is engaged with the arc-shaped tooth plate, and the bottom of the base is fixedly connected with the control motor which is fixedly connected with the transmission gear.
[0011] Further, the bottom of the base is screw-connected with the limiting lead screw which is located on both sides of the rotation axis of the support shaft, and the top of the limiting lead screw is opposite to the lower end surface of the seat plate.
[0012] Further, the top of the limiting lead screw is connected with the backing plate through the spherical hinge.
[0013] Further, the bottom of the base is welded with the groove-shaped seat, the groove-shaped seat is welded with the lead sleeve which is screw-connected with the limiting lead screw, the bottom of the groove-shaped seat is fixedly connected with the driving motor, and the output shaft of the driving motor is axially and slidingly connected with the bottom of the limiting lead screw.
[0014] The utility model has the advantages as follows:
[0015] 1. In the utility model, the seat plate, the frame and the base are arranged, the seat plate is rotatably connected with the frame and the base, the rotation axes of the seat plate and the frame and the base are perpendicular, the guide frame on the top of the seat plate can be universally swung, the drill rod associated with the guide frame can be adjusted to be vertical, and the drilling stability of the drill rod is improved compared with the prior art.
[0016] 2. In the utility model, the control oil cylinder, the arc-shaped tooth plate, the transmission gear and the control motor are arranged, the universal swinging of the guide frame is more convenient and faster, and the drill rod is more convenient to adjust. DRAWINGS
[0017] Figure 1 It is a structure schematic view of the deep well directional drilling device of the utility model;
[0018] Figure 2 It is Figure 1 The schematic view of the bottom;
[0019] Figure 3 It is a schematic view of the limiting screw and the seat plate cooperation of the deep well directional drilling device of the utility model.
[0020] In the drawing: 1, frame; 2, guide frame; 3, movable seat; 4, hydraulic cylinder; 5, seat plate; 51, connecting seat; 52, support shaft; 53, arc-shaped tooth plate; 6, base; 61, ear plate; 621, wire sleeve; 62, slot seat; 7, suspension rod; 8, laser indicator light; 9, control oil cylinder; 101, limiting screw; 1011, pad; 102, drive motor; 103, transmission gear; 104, control motor. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0022] Please refer to Figures 1 to 3 The utility model provides a technical scheme: a deep well directional drilling device, including frame 1, the top of frame 1 is fixedly connected with guide frame 2, the guide frame 2 is provided with movable seat 3, the bottom of movable seat 3 is connected with the top of frame 1 by hydraulic cylinder 4, and hydraulic cylinder 4 provides driving force for the up-down movement of movable seat 3, and the structure that movable seat 3 and drill rod are connected can adopt the structure in the patent literature mentioned in the background technology, and the present application will not be described in detail.
[0023] In the technical scheme, the bottom of frame 1 is provided with seat plate 5, the upper end surface of seat plate 5 is rotatably connected with one end of frame 1, preferably, the top of seat plate 5 is fixedly connected with connecting seat 51 hinged to one end of frame 1, one side of seat plate 5 is hingedly connected with one side of guide frame 2 through control oil cylinder 9, and frame 1 is rotated relative to seat plate 5 when control oil cylinder 9 acts. Both ends of seat plate 5 are rotatably connected with base 6, and preferably, both ends of seat plate 5 are welded with coaxial support shafts 52, and the top of base 6 is welded with ear plate 61 rotatably connected with support shafts 52. The rotation axis of seat plate 5 and base 6 is perpendicular to the rotation axis of seat plate 5 and frame 1, and this kind of rotation mode makes guide frame 2 on the top of frame 1 have universal swing function, which is convenient for adjusting it to be in vertical state, and then can indirectly control the drill rod to be in vertical state.
[0024] Further, the bottom ball joint of the active seat 3 is connected with a suspension rod 7, which is always in vertical state by using its own weight, the bottom of the suspension rod 7 is provided with a laser indicator 8, the light emitted by the laser indicator 8 is irradiated on the rack 1, and a reference can be installed on the upper end surface of the rack 1 during use, when the light point is located on the reference, it can be determined that the guide frame 2 is in vertical state.
[0025] In the embodiment, the bottom of the seat plate 5 is welded with an arc-shaped tooth plate 53, the arc center axis of the arc-shaped tooth plate 53 coincides with the axis of the supporting shaft 52, the bottom of the base 6 is rotationally connected with a transmission gear 103 engaged with the arc-shaped tooth plate 53, the transmission gear 103 can drive the arc-shaped tooth plate 53 to move when it rotates, thereby driving the entire seat plate 5 to rotate relative to the base 6, the bottom of the base 6 is fixedly connected with a control motor 104 fixedly connected with the transmission gear 103, the control motor 104 provides driving force to the rotation of the transmission gear 103.
[0026] Further, the bottom of the base 6 is screw-connected with a limiting lead screw 101 located on both sides of the rotation axis of the supporting shaft 52, and preferably, the bottom of the base 6 is welded with a groove seat 62, the groove seat 62 is welded with a sleeve 621 screw-connected with the limiting lead screw 101, the bottom of the groove seat 62 is fixedly connected with a driving motor 102, the output shaft of the driving motor 102 is axially slidingly connected with the bottom of the limiting lead screw 101, and a multi-rib shaft can be welded at the end of the output shaft of the driving motor 102 and slidingly connected with the sliding hole in the bottom of the limiting lead screw 101. The driving motor 102 provides driving force to the rotation of the limiting lead screw 101, the top of the limiting lead screw 101 is opposite to the lower end surface of the seat plate 5, and when the limiting lead screw 101 is screwed, the top thereof will be pressed against the lower end surface of the seat plate 5, which has the effect of fastening the seat plate 5 and avoiding the problem of small amplitude shaking of the seat plate 5. During use, the top of the limiting lead screw 101 can be ball-jointed with a pad 1011, and since the seat plate 5 is not perpendicular to the lower end surface of the limiting lead screw 101, the pad 1011 can be fully attached to the lower end surface of the seat plate 5, which has the effect of avoiding the problem of slipping of the limiting lead screw 101 when pressing the seat plate 5.
[0027] Working principle: before use, a supporting seat can be welded at the bottom of the base 6, which has the same structure and function as the supporting seat in the patent document mentioned in the background of the application, and the device can be connected through the supporting seat and the connecting part in the prior art.
[0028] Before the drilling process, when the light spot emitted by the laser indicator 8 does not coincide with the reference, at this time it indicates that the guide frame 2 is in a tilted state, and then the drill rod is also in a tilted state, and then the control oil cylinder 9 is started to drive the guide frame 2 to swing back and forth, and then the driving motor 102 is controlled to control the guide frame 2 to swing left and right, when the light spot emitted by the laser indicator 8 coincides with the reference, the guide frame 2 is in a vertical state, at this time the hydraulic cylinder 4 can be started to drive the movable seat 3 to descend, realizing the feed control of the drill rod drilling.
[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A deep well directional drilling device, comprising a frame (1), a guide frame (2) is fixedly connected to the top of the frame (1), a movable seat (3) is arranged in the guide frame (2), the bottom of the movable seat (3) is connected with the top of the frame (1) through a hydraulic cylinder (4), characterized in that, The bottom of the stand (1) is provided with a seat plate (5), the upper end surface of the seat plate (5) is connected with one end of the stand (1) in up-down rotation, both ends of the seat plate (5) are rotationally connected with a base (6), the rotation axis of the seat plate (5) and the base (6) is perpendicular to the rotation axis of the seat plate (5) and the stand (1), the bottom of the movable seat (3) is ball-hinged with a suspension rod (7), the bottom of the suspension rod (7) is provided with a laser indicator (8).
2. A device for directional drilling of deep wells according to claim 1, characterized in that: The top of the seat plate (5) is fixedly connected with a connecting seat (51) which is hingedly connected with one end of the stand (1), one side of the seat plate (5) is hingedly connected with one side of the guide frame (2) through a control oil cylinder (9).
3. A device for directional drilling of deep wells according to claim 1, characterized in that: Both ends of the seat plate (5) are welded with coaxial support shafts (52), the top of the base (6) is welded with ear plates (61) which are rotationally connected with the support shafts (52).
4. A down-the-hole directional drilling apparatus as claimed in claim 3, wherein: The bottom of the seat plate (5) is welded with an arc-shaped tooth plate (53), the arc center axis of the arc-shaped tooth plate (53) coincides with the axis of the support shaft (52), the bottom of the base (6) is rotationally connected with a transmission gear (103) which is engaged with the arc-shaped tooth plate (53), the bottom of the base (6) is fixedly connected with a control motor (104) which is fixedly connected with the transmission gear (103).
5. A down-the-hole directional drilling apparatus as claimed in claim 4, wherein: The bottom of the base (6) is screw-connected with limiting lead screws (101) which are located on both sides of the rotation axis of the support shaft (52), the top of the limiting lead screw (101) is opposite to the lower end surface of the seat plate (5).
6. A down-the-hole directional drilling apparatus as claimed in claim 5, wherein: The top of the limiting lead screw (101) is ball-hinged with a backing plate (1011).
7. A deep hole directional drilling apparatus as claimed in claim 5 wherein: The bottom of the base (6) is welded with a groove-shaped seat (62), the groove-shaped seat (62) is welded with a lead sleeve (621) which is screw-connected with the limiting lead screw (101), the bottom of the groove-shaped seat (62) is fixedly connected with a drive motor (102), the output shaft of the drive motor (102) is axially slidingly fitted with the bottom of the limiting lead screw (101).
Citation Information
Patent Citations
A ground directional drilling device and drilling method thereof
CN118065758B