Intelligent drill bit with sensor anti-impact structure

By designing protective covers and mobile structures on the acoustic logger of the smart drill bit, the problem of the acoustic logger being susceptible to rock impact damage during drilling is solved, and effective protection and impact resistance of the acoustic logger are improved.

CN222746068UActive Publication Date: 2025-04-11SOUTHWEST PETROLEUM UNIV
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Patent Information

Application Number
CN202421737359.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-04-11
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

During the drilling process of existing smart drill bits, the acoustic loggers are susceptible to rock impact damage, which affects their use.

Method used

A smart drill bit with a sensor impact-resistant structure is designed. By setting a protective cover on the top of the acoustic logger, and using a translation mechanism and a slide rail structure, the protective cover can be moved and folded for easy detection. At the same time, the protective cover is made of stainless steel and tilted to improve strength and movement stability.

Benefits of technology

Effectively protect the sound wave logging instrument, improve its impact resistance, avoid damage to geotechnical impact during drilling, and improve the practical value of the drill bit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an intelligent drill bit with a sensor anti-impact structure, and belongs to the technical field of drill bits. The intelligent drill bit with the sensor anti-impact structure comprises a drill bit body, a plurality of blades are arranged on the outer side of the drill bit body, one end of the drill bit body is fixedly connected with a detection cylinder, one end of the detection cylinder is fixedly connected with a mounting base, a detection opening is formed in one side of the top end of the detection cylinder, and an acoustic logging instrument is embedded in the bottom end of the detection opening. A protective cover is arranged at the top end of the acoustic logging instrument, a pair of sliding blocks are installed on one side of the bottom end of the protective cover, a pair of sliding rails are arranged at the bottom end of the detection opening, the outer sides of the sliding blocks are slidably connected with the inner sides of the sliding rails, a cavity is formed in the detection cylinder, a translation mechanism is arranged in the cavity, and the moving end of the translation mechanism is connected with one side of the protective cover. According to the acoustic logging instrument protection device, the acoustic logging instrument can be effectively protected, the impact resistance of the acoustic logging instrument is improved, and the acoustic logging instrument protection device has high practical value.
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Description

Technical Field

[0001] The utility model relates to the technical field of drill bits, and in particular to an intelligent drill bit with a sensor anti-impact structure. Background Art

[0002] A smart drill bit is a device that can monitor and transmit key parameters of the drilling process in real time, such as vibration, rotation, and detection of the bottom environment, thereby optimizing drilling efficiency and safety.

[0003] For example, a Chinese patent with publication number CN112832687A discloses an intelligent drill bit capable of adjusting the cutting depth and its working principle, including a hemispherical element, a drill blade, a drill body, an acoustic logging instrument, an external short section, a water hole, a cutting tooth, an intermediate short section, a sealed chamber, a drill body screw hole, a temperature-resistant rotating sealing ring, a blade screw hole, an active bevel gear, an active screw, a follower spur gear, a first follower screw, a second follower screw, a follower bevel gear, and a square protrusion. , top plate screw hole, top plate, external gear device, annular plate, base, annular wiring plate, internal gear device, pinion, arc slide, torsion spring, middle plate, cylindrical electromagnet, rotating blade, wiring groove, armature piece, baffle, straight rod, cable channel, data processing device, cylindrical protrusion, drill blade and water eye are arranged on the drill body, a sealed cabin is arranged inside the drill blade, and a driving screw, a first follower screw, a second follower screw, and a driving bevel gear are installed in the sealed cabin , follower spur gear and follower bevel gear, the upper end of the active screw extends out of the drill bit blade through the blade screw hole, the lower end of the active screw passes through the drill body screw hole at the bottom of the sealed chamber and extends into the drill body, and is fixedly connected with the pinion gear through the top plate screw hole on the top plate, the pinion gear corresponds to the internal gear device and the external gear device, the inner side of the internal gear device is installed on the middle side wall of the base, the internal gear device is connected to the torsion spring through a baffle, an intermediate plate is arranged below the torsion spring, the intermediate plate is installed on the middle side wall of the base and is located above the rotating blade, the straight rod at the bottom of the external gear device passes through the arc slide of the annular plate and is embedded in the rotating blade, the rotating blade is installed on the base and corresponds to the cylindrical electromagnet, a wiring groove is provided on the base wall, the wiring groove points to the annular wiring groove in the annular wiring plate through the inside of the base, the through hole on the annular wiring plate is connected with the cable channel, the cable channel passes through the sonic logging instrument to connect the data processing device at the external short section, and the sonic logging instrument is placed on the wall of the middle short section;

[0004] The technical solution recorded in this proposal detects the bottom environment through an acoustic logging instrument and electromagnetically controls the rotation of rotary blades to realize the intelligence of the drill bit. However, when this solution is in use, it does not have the function of protecting the acoustic logging instrument, causing the acoustic logging instrument to be easily damaged by rock impact, affecting user use.

[0005] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a smart drill bit with a sensor anti-impact structure is provided, in order to achieve the purpose of having more practical value. Utility Model Content

[0006] In order to make up for the above deficiencies, the utility model provides an intelligent drill bit with a sensor anti-impact structure.

[0007] The utility model is achieved in this way:

[0008] A smart drill bit with a sensor anti-impact structure comprises a drill bit body, a plurality of blades are arranged on the outer side of the drill bit body, a detection barrel is fixedly connected to one end of the drill bit body, a mounting seat is fixedly connected to one end of the detection barrel, a detection port is arranged on one side of the top end of the detection barrel, an acoustic well logging instrument is embedded in the bottom end of the detection port, a protective cover is arranged on the top end of the acoustic well logging instrument, a pair of sliders are installed on one side of the bottom end of the protective cover, a pair of slide rails are arranged on the bottom end of the detection port, the outer side of the slider and the inner side of the slide rail are slidably connected, a translation mechanism is arranged inside the detection barrel and the cavity, a moving end of the translation mechanism is connected to one side of the protective cover, and a accommodating cavity is arranged on one side of the detection port.

[0009] Furthermore, the translation mechanism includes a threaded rod, and both ends of the threaded rod are rotatably connected to the inner side of the cavity.

[0010] Furthermore, a movable block is sleeved on the outer side of the threaded rod, a sliding opening is opened at the bottom end of the accommodating cavity, the outer side of the movable block and the inner side of the sliding opening are slidably connected, and the top end of one side of the movable block is fixedly connected to one side of the protective cover.

[0011] The beneficial effect of adopting the above further solution is that, by sleevedly mounting a movable block on the outer side of the threaded rod, the movable block can be driven to move by rotating the threaded rod, thereby realizing the movement of the protective cover.

[0012] Furthermore, a motor is installed at the bottom end of the cavity, and the output end of the motor and one end of the threaded rod are both equipped with synchronous wheels, and a synchronous belt is equipped on the outer side of a pair of synchronous wheels.

[0013] The beneficial effect of adopting the above further solution is that the threaded rod is electrically rotated by sleeved a synchronous belt on the outer side of a pair of synchronous wheels.

[0014] Furthermore, the protective cover is made of stainless steel.

[0015] The beneficial effect of adopting the above further solution is that the strength and corrosion resistance of the protective cover are improved by making the protective cover out of stainless steel.

[0016] Furthermore, the protective cover is inclined on a side away from the movable block.

[0017] The beneficial effect of adopting the above further solution is that the protective cover is inclined on the side away from the movable block, which facilitates the movement of the protective cover and prevents soil blocks from blocking the movement of the protective cover.

[0018] Furthermore, the cross-sections of the slider and the slide rail are both in a "T" shape.

[0019] The beneficial effect of adopting the above further solution is that the movement stability of the protective cover is improved by the cross-sections of the slider and the slide rail being both in a "T" shape.

[0020] The beneficial effects of the utility model are as follows: the utility model obtains an intelligent drill bit with a sensor anti-impact structure through the above design, an acoustic logging instrument is embedded at the bottom end of the detection port to realize bottom environment detection, a protective cover is provided at the top of the acoustic logging instrument to protect the acoustic logging instrument to prevent rock and soil from impacting the acoustic logging instrument during drilling, the protective cover can be moved and retracted by slidingly connecting the outer side of the slider and the inner side of the slide rail to facilitate the detection of the acoustic logging instrument, the movable end of the translation mechanism is connected to one side of the protective cover to facilitate the movement of the protective cover, and a movable block is provided on the outer side of the threaded rod to realize The rotation of the threaded rod can drive the movable block to move, thereby realizing the movement of the protective cover. A synchronous belt is installed on the outer side of a pair of synchronous wheels to realize the electric rotation of the threaded rod. The protective cover is made of stainless steel to improve the strength and corrosion resistance of the protective cover. The protective cover is inclined on the side away from the movable block to facilitate the movement of the protective cover and prevent soil blocks from blocking the movement of the protective cover. The cross-section of the slider and the cross-section of the slide rail are both "T"-shaped to improve the movement stability of the protective cover. The utility model can effectively protect the sonic logging instrument and improve the impact resistance of the sonic logging instrument, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the three-dimensional structure of an intelligent drill bit with a sensor anti-impact structure provided by the utility model;

[0023] Figure 2 This is one of the disassembled three-dimensional structural schematic diagrams of a smart drill bit with a sensor anti-impact structure provided by the utility model;

[0024] Figure 3The second schematic diagram of the disassembled three-dimensional structure of a smart drill bit with a sensor anti-impact structure provided by the utility model;

[0025] Figure 4 A cross-sectional view of a detection tube with a sensor anti-impact structure provided by the utility model;

[0026] Figure 5 The utility model provides an intelligent drill bit with a sensor anti-impact structure Figure 4 Schematic diagram of the enlarged structure of structure A in the middle.

[0027] In the figure: 100, drill bit body; 101, blade; 102, detection tube; 10201, detection port; 10202, accommodating cavity; 10203, sliding port; 10204, cavity; 10205, slide rail; 103, mounting seat; 104, protective cover; 10401, slider; 105, sonic logging instrument; 106, translation mechanism; 10601, threaded rod; 10602, movable block; 10603, motor; 10604, synchronous wheel; 10605, synchronous belt. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1

[0031] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a smart drill bit with a sensor anti-impact structure includes a drill bit body 100, a plurality of blades 101 are arranged on the outer side of the drill bit body 100, a detection tube 102 is fixedly connected to one end of the drill bit body 100, a mounting seat 103 is fixedly connected to one end of the detection tube 102, a detection port 10201 is opened on one side of the top of the detection tube 102, a sonic logging instrument 105 is embedded at the bottom of the detection port 10201, a protective cover 104 is arranged on the top of the sonic logging instrument 105, a pair of sliders 10401 are installed on one side of the bottom of the protective cover 104, a pair of slide rails 10205 are opened at the bottom of the detection port 10201, the outer side of the slider 10401 and the inner side of the slide rail 10205 are slidably connected, and a cavity 1020 is opened inside the detection tube 102). 4. A translation mechanism 106 is provided inside the cavity 10204, and a moving end of the translation mechanism 106 is connected to one side of the protective cover 104. A accommodating cavity 10202 is provided on one side of the detection port 10201. An acoustic well logging instrument 105 is embedded through the bottom end of the detection port 10201 to realize bottom environment detection. A protective cover 104 is provided on the top of the acoustic well logging instrument 105 to protect the acoustic well logging instrument 105 and prevent rock and soil from impacting the acoustic well logging instrument 105 during drilling. The protective cover 104 can be moved and retracted by slidingly connecting the outer side of the slider 10401 and the inner side of the slide rail 10205 to facilitate detection of the acoustic well logging instrument 105. The moving end of the translation mechanism 106 is connected to one side of the protective cover 104 to facilitate movement of the protective cover 104.

[0032] Embodiment 2

[0033] Reference Figure 1-Figure 5 As shown, the translation mechanism 106 includes a threaded rod 10601, both ends of the threaded rod 10601 are rotatably connected to the inner side of the cavity 10204, a movable block 10602 is sleeved on the outer side of the threaded rod 10601, a sliding opening 10203 is provided at the bottom end of the accommodating cavity 10202, the outer side of the movable block 10602 is slidably connected to the inner side of the sliding opening 10203, the top of one side of the movable block 10602 is fixedly connected to one side of the protective cover 104, and a motor 10603 is installed at the bottom end of the cavity 10204. The output end of the motor 10603 and one end of the threaded rod 10601 are both equipped with a synchronous wheel 10604, and a synchronous belt 10605 is installed on the outer side of a pair of synchronous wheels 10604. A movable block 10602 is installed on the outer side of the threaded rod 10601, so that the movable block 10602 can be driven to move by rotating the threaded rod 10601, thereby realizing the movement of the protective cover 104. The synchronous belt 10605 is installed on the outer side of a pair of synchronous wheels 10604 to realize the electric rotation of the threaded rod 10601.

[0034] Embodiment 3

[0035] Reference Figure 1-Figure 5As shown, the protective cover 104 is made of stainless steel, and the side of the protective cover 104 away from the movable block 10602 is inclined. The cross-sections of the slider 10401 and the slide rail 10205 are both "T"-shaped. The protective cover 104 is made of stainless steel to improve the strength and corrosion resistance of the protective cover 104. The protective cover 104 is inclined on the side away from the movable block 10602 to facilitate the movement of the protective cover 104 and prevent soil blocks from blocking the movement of the protective cover 104. The cross-sections of the slider 10401 and the slide rail 10205 are both "T"-shaped to improve the movement stability of the protective cover 104.

[0036] Specifically, the working principle of the intelligent drill bit with a sensor anti-impact structure is as follows: when in use, an acoustic logging instrument 105 is embedded at the bottom end of the detection port 10201 to realize bottom environment detection, a protective cover 104 is provided at the top of the acoustic logging instrument 105 to protect the acoustic logging instrument 105 to prevent rock and soil from impacting the acoustic logging instrument 105 during drilling, the outer side of the slider 10401 and the inner side of the slide rail 10205 are slidably connected to realize the movable and retractable protective cover 104 to facilitate the detection of the acoustic logging instrument 105, the movable end of the translation mechanism 106 is connected to one side of the protective cover 104 to facilitate the movement of the protective cover 104, and the outer side of the threaded rod 10601 is provided with a movable block 10602 to realize the rotation of the threaded rod 10601 It can drive the movable block 10602 to move, thereby realizing the movement of the protective cover 104. A synchronous belt 10605 is installed on the outer side of a pair of synchronous wheels 10604 to realize the electric rotation of the threaded rod 10601. The protective cover 104 is made of stainless steel to improve the strength and corrosion resistance of the protective cover 104. The protective cover 104 is inclined on the side away from the movable block 10602 to facilitate the movement of the protective cover 104 and prevent soil blocks from blocking the movement of the protective cover 104. The cross-section of the slider 10401 and the cross-section of the slide rail 10205 are both "T"-shaped to improve the movement stability of the protective cover 104. The utility model can effectively protect the sonic logging instrument and improve the impact resistance of the sonic logging instrument, and has high practical value.

[0037] It should be noted that the specific model specifications of the motor 10603 and the sonic logging instrument 105 need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0038] The power supply and principle of the motor 10603 and the acoustic logging instrument 105 are clear to those skilled in the art and will not be described in detail here.

[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An intelligent drill bit with a sensor anti-impact structure, characterized in that: The drill bit comprises a drill body (100), a plurality of blades (101) are arranged on the outer side of the drill body (100), a detection tube (102) is fixedly connected to one end of the drill body (100), a mounting seat (103) is fixedly connected to one end of the detection tube (102), a detection port (10201) is opened on one side of the top end of the detection tube (102), an acoustic well logging instrument (105) is embedded at the bottom end of the detection port (10201), a protective cover (104) is arranged at the top end of the acoustic well logging instrument (105), and a protective cover (104) is arranged at the bottom end of the protective cover (104). A pair of sliders (10401) are installed on the side, a pair of slide rails (10205) are provided at the bottom end of the detection port (10201), the outer side of the slider (10401) and the inner side of the slide rail (10205) are slidably connected, a cavity (10204) is provided inside the detection cylinder (102), a translation mechanism (106) is provided inside the cavity (10204), a moving end of the translation mechanism (106) is connected to one side of the protective cover (104), and a receiving cavity (10202) is provided on one side of the detection port (10201).

2. The intelligent drill bit with a sensor anti-impact structure according to claim 1, characterized in that: The translation mechanism (106) comprises a threaded rod (10601), and both ends of the threaded rod (10601) are rotatably connected to the inner side of the cavity (10204).

3. The intelligent drill bit with a sensor anti-impact structure according to claim 2, characterized in that: A movable block (10602) is sleeved on the outer side of the threaded rod (10601), a sliding opening (10203) is opened at the bottom end of the accommodating cavity (10202), the outer side of the movable block (10602) and the inner side of the sliding opening (10203) are slidably connected, and the top end of one side of the movable block (10602) is fixedly connected to one side of the protective cover (104).

4. The intelligent drill bit with a sensor anti-impact structure according to claim 2, characterized in that: A motor (10603) is installed at the bottom end of the cavity (10204), and the output end of the motor (10603) and one end of the threaded rod (10601) are both equipped with synchronous wheels (10604), and a synchronous belt (10605) is installed on the outer side of a pair of synchronous wheels (10604).

5. The intelligent drill bit with a sensor anti-impact structure according to claim 1, characterized in that: The protective cover (104) is made of stainless steel.

6. The intelligent drill bit with a sensor anti-impact structure according to claim 3, characterized in that: The protective cover (104) is inclined on the side away from the movable block (10602).

7. The intelligent drill bit with a sensor anti-impact structure according to claim 1, characterized in that: The cross-sections of the slider (10401) and the slide rail (10205) are both "T" shaped.

Citation Information

Patent Citations

  • Intelligent drill bit capable of adjusting cutting depth and working principle thereof

    CN112832687A