Intelligent directional drill under complex geology

By installing a positioning guide component on the outside of the drill pipe and using magnetic clamping and mechanical guidance, the problem of drill pipe deviation in complex geological conditions is solved, stable and accurate drilling is achieved, and construction efficiency and safety are improved.

CN223330507UActive Publication Date: 2025-09-12CCCC SECOND PUBLIC BUREAU NO 7 ENG CO LTD
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Patent Information

Application Number
CN202423004708.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-09-12
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Under complex geological conditions, the drill rod is prone to deviate along the cracks, causing the drill bit to lose control and affecting the normal progress of the project.

Method used

The positioning and guiding components, including casing, double-threaded screw, moving block, guide slider, positioning arc clamp and electromagnet, are used to ensure stable feeding of drill pipe under complex geological conditions through magnetic clamping and mechanical guidance.

Benefits of technology

Effectively avoid drill rod deviation, ensure drilling accuracy, and improve construction efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline construction, in particular to an intelligent directional drill under complex geology, which comprises a mounting base and a drill rod, the top end of the drill rod is connected with an inner cavity of the mounting base in a clamping manner, a positioning and guiding assembly is sleeved outside the drill rod, and the positioning and guiding assembly comprises a sleeve sleeved outside the drill rod. An inner cavity is formed in the inner wall of the sleeve, double-thread screws are arranged on the left side and the right side of the interior of the inner cavity, the upper ends and the lower ends of the two double-thread screws are rotationally connected with the inner walls of the upper side and the lower side of the inner cavity correspondingly, and moving blocks are symmetrically arranged on the upper sides and the lower sides of the surfaces of the two double-thread screws correspondingly; and guide sliding blocks are fixedly connected to the sides, away from each other, of the four moving blocks, guide sliding grooves are formed in the left side and the right side of the inner cavity correspondingly, connecting shafts are rotationally connected to the sides, away from the guide sliding blocks, of the four moving blocks correspondingly, a drill rod can be positioned and guided, and the drill rod is prevented from deviating in the working process.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipeline construction, in particular to an intelligent directional drill under complex geology. Background Art

[0002] During pipeline construction, when the pipeline crosses a highway, railway or river, there are methods such as excavation and laying, tunnel crossing and directional drilling crossing. Directional drilling technology is a unique pipeline construction technology. Its core lies in the use of large directional drilling rigs to achieve efficient pipeline installation through a series of precise operations such as positioning drilling, hole expansion, hole cleaning and pipeline pulling back. When faced with complex geology, when the drill rod enters the rock crack, if it advances along the crack, it is easy to cause deviation of drilling, and there is a risk of loss of control of the drill bit, thus affecting the normal progress of the project. Utility Model Content

[0003] The purpose of the present invention is to provide an intelligent directional drill under complex geological conditions to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] An intelligent directional drill for complex geology, comprising a mounting base and a drill rod, wherein the top end of the drill rod is snap-connected to the inner cavity of the mounting base, and a positioning guide assembly is sleeved on the outer surface of the drill rod;

[0006] The positioning guide assembly includes a sleeve arranged on the outside of the drill pipe, the inner wall of the sleeve is provided with an inner cavity, and double-threaded screws are provided on the left and right sides of the inner cavity, the upper and lower ends of the two double-threaded screws are respectively rotatably connected to the upper and lower inner walls of the inner cavity, and the upper and lower sides of the surfaces of the two double-threaded screws are symmetrically provided with moving blocks, and the sides of the four moving blocks away from each other are fixedly connected to guide sliders, and the left and right sides of the inner cavity are provided with guide grooves, and the sides of the four moving blocks away from the guide sliders are rotatably connected to connecting shafts, and the four connecting shafts extend to the outside of the inner cavity, and positioning arc-shaped splints are provided on the left and right sides of the inner side of the sleeve, and balls are equidistantly provided on the opposite sides of the two positioning arc-shaped splints, and the top of the inner cavity is rotatably connected to a transmission gear ring, and the top ends of the two double-threaded screw surfaces are fixedly connected to gears, and the two gears are meshed with the inner side of the transmission gear ring, and the left side of the top of the sleeve is rotatably connected to a handwheel, and the bottom end of the handwheel extends into the interior of the inner cavity and is fixedly connected to the top of the left double-threaded screw.

[0007] As a preferred solution of the present invention, the inner walls of the four moving blocks are respectively threadedly connected to the surfaces of the two double-threaded rods, and the four guide sliders extend to the interior of the two guide slots at one end away from the moving blocks and are slidably connected to the inner walls of the guide slots.

[0008] As a preferred solution of the present invention, the two positioning arc-shaped clamps are symmetrically arranged, and the upper and lower ends of the two positioning arc-shaped clamps on opposite sides are respectively rotatably connected to one end of the four connecting shafts away from the moving block.

[0009] As a preferred solution of the present invention, the tops of the left and right sides of the drill rod are both provided with engaging grooves, and the inner walls of the two engaging grooves on opposite sides are both fixedly connected with magnetic plates.

[0010] As a preferred solution of the present invention, mounting components are provided on both sides of the inner cavity of the mounting base, and the mounting components include mounting cavities opened on the left and right sides of the inner cavity of the mounting base, and electromagnets are provided inside the two mounting cavities, and the sides of the two electromagnets that are close to each other are fixedly connected with a clamping block.

[0011] As a preferred solution of the present invention, the upper and lower ends of the two installation cavities on opposite sides are fixedly connected with guide rods, and the ends of the two clamping blocks away from the electromagnet extend to the outside of the installation cavity and are clamped and connected with the clamping groove.

[0012] As a preferred solution of the present invention, the upper and lower sides of the two clamping blocks are fixedly connected with guide blocks, the four guide blocks are respectively slidably connected to the surfaces of four guide rods, and the surfaces of the four guide rods are all sleeved with springs.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In the present invention, two positioning arc-shaped clamping plates are clamped on the outside of the drill rod, which can limit and guide the drill rod to prevent the drill rod from deviating during operation. At the same time, balls are provided on the inner sides of the two positioning arc-shaped clamping plates, which do not affect the rotation and movement of the drill rod.

[0015] 2. In the present invention, when the directional drilling equipment is working, the electromagnet is energized to generate magnetic force, which attracts the magnetic plate, so that the clamping block is clamped inside the clamping groove, which makes it easy to install and disassemble the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a structural diagram of the positioning guide assembly of the utility model;

[0018] Figure 3 This is a schematic diagram of a top-view cross-sectional structure of a positioning guide assembly of the present invention;

[0019] Figure 4 This is a schematic diagram of the connection structure between the mounting base and the drill rod of the utility model;

[0020] Figure 5 This is an enlarged structural diagram of point A of the present invention.

[0021] In the figure: 1. Mounting base; 2. Drill rod; 3. Positioning guide assembly; 301. Casing; 302. Inner cavity; 303. Double-threaded screw; 304. Moving block; 305. Guide slider; 306. Guide slide; 307. Connecting shaft; 308. Positioning arc splint; 309. Ball; 310. Transmission ring; 311. Handwheel; 312. Gear; 4. Mounting assembly; 401. Mounting cavity; 402. Electromagnet; 403. Clamping block; 404. Guide rod; 405. Guide block; 406. Spring; 5. Clamping groove; 6. Magnetic plate. DETAILED DESCRIPTION

[0022] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0026] For examples, see Figure 1 、 Figure 2 、 Figure 3, the utility model provides a technical solution:

[0027] An intelligent directional drill for complex geological conditions includes a mounting base 1 and a drill rod 2. The top end of the drill rod 2 is snap-connected to the inner cavity of the mounting base 1. The outer sleeve of the drill rod 2 is provided with a positioning guide assembly 3. The positioning guide assembly 3 includes a casing 301 sleeved on the outer surface of the drill rod 2. The inner wall of the casing 301 is provided with an inner cavity 302. Double-threaded screws 303 are provided on the left and right sides of the inner cavity 302. The upper and lower ends of the two double-threaded screws 303 are respectively rotatably connected to the upper and lower inner walls of the inner cavity 302. Moving blocks 304 are symmetrically provided on the upper and lower sides of the surfaces of the two double-threaded screws 303. The four moving blocks 304 are fixedly connected to a guide slider 305 on the side away from each other. Guide slots 306 are provided on the left and right sides of the inner cavity 302. The four moving blocks 304 are rotatably connected to the side of the guide slider 305, and the four connecting shafts 307 extend to the outside of the inner cavity 302. Positioning arc-shaped splints 308 are provided on the left and right sides of the inner side of the sleeve 301. Balls 309 are equidistantly provided on the opposite sides of the two positioning arc-shaped splints 308. The top of the inner cavity 302 is rotatably connected to the transmission ring gear 310, and the tops of the surfaces of the two double-threaded screws 303 are fixedly connected to gears 312. The two gears 312 are meshed with the inner sides of the transmission ring gear 310. The left side of the top of the sleeve 301 is rotatably connected to the handwheel 311, and the bottom end of the handwheel 311 extends to the inside of the inner cavity 302 and is fixedly connected to the top of the left double-threaded screw 303.

[0028] like Figure 2 、 Figure 3 As shown, the inner walls of the four moving blocks 304 are respectively threadedly connected to the surfaces of the two double-threaded rods 303, and the four guide sliders 305 extend to the interior of the two guide slots 306 at one end away from the moving block 304 and are slidably connected to the inner walls of the guide slots 306. The two positioning arc-shaped splints 308 are symmetrically arranged, and the upper and lower ends of the two positioning arc-shaped splints 308 on the opposite sides are respectively rotatably connected to the four connecting shafts 307 at one end away from the moving block 304.

[0029] like Figure 4 、 Figure 5As shown, there are snap-in grooves 5 on the tops of the left and right sides of the drill rod 2, and magnetic plates 6 are fixedly connected to the inner walls of the opposite sides of the two snap-in grooves 5. Mounting components 4 are provided on the left and right sides of the inner cavity of the mounting base 1. The mounting components 4 include mounting cavities 401 provided on the left and right sides of the inner cavity of the mounting base 1, and electromagnets 402 are provided inside the two mounting cavities 401. The sides of the two electromagnets 402 that are close to each other are fixedly connected with snap-in blocks 403. The upper and lower ends of the opposite sides of the two mounting cavities 401 are fixedly connected with guide rods 404. The ends of the two snap-in blocks 403 away from the electromagnets 402 extend to the outside of the mounting cavity 401 and are snap-connected with the snap-in grooves 5. The upper and lower sides of the two snap-in blocks 403 are fixedly connected with guide blocks 405. The four guide blocks 405 are respectively slidably connected to the surfaces of the four guide rods 404, and the surfaces of the four guide rods 404 are sleeved with springs 406.

[0030] The working process of the utility model is as follows: when in use, the drill rod 2 is inserted into the inner cavity of the mounting base 1, and the electromagnet 402 is energized to generate magnetic force. The magnetic plate 6 and the electromagnet 402 attract each other, and the electromagnet 402 pushes the clamping block 403 to move inside the clamping groove 5 to clamp the drill rod 2. The positioning guide assembly 3 is fixed at the position where the hole needs to be drilled. The drill rod 2 is placed on the inner side of the casing 301, and the double-threaded screw 303 on one side is rotated by the handwheel 311, and the gear 312 on one side rotates together. The transmission ring gear 310 is used to drive the gear 312 on the other side to drive the double-threaded screw 303 to rotate. While the two double-threaded screws 303 are rotated and fixed, the moving blocks 304 on the surface approach each other and the connecting shaft 307 is used to push the two positioning arc clamps 308 to approach each other and clamp them on the surface of the drill rod 2. The inner side of the positioning arc clamp 308 is provided with a ball 309 which will not affect the operation of the drill rod 2. The two positioning arc clamps 308 clamp and position the drill rod 2 to prevent the drill rod 2 from deviating during operation.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent directional drill for complex geology, comprising a mounting base (1) and a drill rod (2), characterized in that: The top end of the drill rod (2) is connected to the inner cavity of the mounting base (1) by snap-fitting, and the outer portion of the drill rod (2) is provided with a positioning guide assembly (3); The positioning guide assembly (3) includes a sleeve (301) sleeved on the outside of the drill rod (2), an inner wall of the sleeve (301) is provided with an inner cavity (302), and double-threaded rods (303) are provided on both the left and right sides of the inner cavity (302), and the upper and lower ends of the two double-threaded rods (303) are respectively rotatably connected to the upper and lower inner walls of the inner cavity (302), and the upper and lower sides of the surfaces of the two double-threaded rods (303) are symmetrically provided with moving blocks (304), and the sides away from each other of the four moving blocks (304) are fixedly connected with a guide slider (305), and the left and right sides of the inner cavity (302) are provided with a guide slot (306), and the sides away from the guide slider (305) of the four moving blocks (304) are rotatably connected with a connecting shaft ( 307), the four connecting shafts (307) are extended to the outside of the inner cavity (302), the left and right sides of the inner side of the sleeve (301) are provided with positioning arc clamps (308), and the opposite sides of the two positioning arc clamps (308) are equidistantly provided with balls (309), the top of the inner cavity (302) is rotatably connected to the transmission ring gear (310), the top ends of the surfaces of the two double-threaded screw rods (303) are fixedly connected to gears (312), and the two gears (312) are meshed with the inner sides of the transmission ring gear (310), the left side of the top of the sleeve (301) is rotatably connected to the hand wheel (311), and the bottom end of the hand wheel (311) extends to the inside of the inner cavity (302) and is fixedly connected to the top end of the left double-threaded screw rod (303).

2. The intelligent directional drilling system for complex geological conditions according to claim 1, characterized in that: The inner walls of the four moving blocks (304) are respectively threadedly connected to the surfaces of the two double-threaded rods (303), and the ends of the four guide sliders (305) away from the moving blocks (304) extend to the inside of the two guide slots (306) and are slidably connected to the inner walls of the guide slots (306).

3. The intelligent directional drilling system for complex geological conditions according to claim 1, characterized in that: The two positioning arc-shaped clamping plates (308) are symmetrically arranged, and the upper and lower ends of the two positioning arc-shaped clamping plates (308) on opposite sides are respectively rotatably connected to one end of the four connecting shafts (307) away from the moving block (304).

4. The intelligent directional drilling system for complex geological conditions according to claim 1, characterized in that: The tops of the left and right sides of the drill rod (2) are both provided with clamping grooves (5), and the inner walls of the two clamping grooves (5) on opposite sides are both fixedly connected with magnetic plates (6).

5. The intelligent directional drilling system for complex geological conditions according to claim 1, characterized in that: Mounting components (4) are provided on both left and right sides of the inner cavity of the mounting base (1). The mounting components (4) include mounting cavities (401) opened on both left and right sides of the inner cavity of the mounting base (1). Electromagnets (402) are provided inside the two mounting cavities (401). A clamping block (403) is fixedly connected to the adjacent sides of the two electromagnets (402).

6. The intelligent directional drilling system for complex geological conditions according to claim 5, characterized in that: The upper and lower ends of the two mounting cavities (401) on opposite sides are fixedly connected with guide rods (404), and the ends of the two clamping blocks (403) away from the electromagnet (402) extend to the outside of the mounting cavity (401) and are clamped and connected with the clamping groove (5).

7. The intelligent directional drilling system for complex geological conditions according to claim 6, characterized in that: The upper and lower sides of the two clamping blocks (403) are fixedly connected with guide blocks (405), and the four guide blocks (405) are respectively slidably connected to the surfaces of four guide rods (404), and the surfaces of the four guide rods (404) are all sleeved with springs (406).