Drilling device and method with inclinometer function

By installing the inclination measuring instrument inside a fixed and non-rotating fixed drill rod in the drilling device and using wired signal transmission, the problems of easy damage to the inclination measuring instrument in the prior art and easy interference to wireless signals in harsh environments are solved, and higher measurement accuracy and stability are achieved.

CN116517462BActive Publication Date: 2025-05-16UNIV OF SCI & TECH BEIJING +1
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202310559910.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-18
Publication Date
2025-05-16
Estimated Expiration
2043-05-18

AI Technical Summary

Technical Problem

In the prior art, drilling-as-vibration inclined instruments are prone to damage in bad downhole environments, and wireless signals are easily disturbed, affecting the measurement results.

Method used

Design a drilling device with inclination measurement function, including a drilling mechanism, a mounting frame, a driving mechanism and an inclination measurement mechanism. The inclinometer is installed internally by a fixed and non-rotating fixed drill rod, and uses wired signal transmission to ensure the signal stability.

Benefits of technology

It effectively protects the inclination measuring instrument, reduces the risk of damage to electronic components, and at the same time, it improves the accuracy and stability of measurement results through wired signal transmission.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN116517462B_ABST
    Figure CN116517462B_ABST
Patent Text Reader

Abstract

The present invention provides a drilling device and method with an inclinometer function, which belongs to the technical field of drilling and is used to solve the problem that the internal electronic components of an inclinometer while drilling in the prior art are easily damaged during operation, and the wireless signal is easily interfered with, thereby affecting the measurement result. The invention comprises: a drilling mechanism, a mounting frame, a driving mechanism and an inclinometer mechanism, wherein the drilling mechanism comprises a drill bit, a spiral drill rod and a fixed drill rod, the spiral drill rod is fixedly connected to the drill bit, the fixed drill rod is arranged inside the spiral drill rod, the fixed drill rod is rotatably connected to the spiral drill rod coaxially, the spiral drill rod is rotatably connected to the mounting frame, and the fixed drill rod is fixedly connected to the mounting frame; the driving mechanism is transmission-connected to the spiral drill rod, and the spiral drill rod is driven to rotate by the driving mechanism; the inclinometer mechanism comprises an inclinometer and a mounting assembly, and the inclinometer is mounted inside the fixed drill rod.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention belongs to the technical field of drilling, and in particular relates to a drilling device and method with an inclinometer function. Background Art

[0002] During blasting construction, a blasting hole is drilled with drilling equipment before blasting; in order to measure whether the blasting hole deviates from the predetermined position, an inclinometer is needed to measure the blasting hole. When the blasting hole is drilled and measured, if it is found that the hole position is incorrect, it is necessary to drill again. Therefore, in order to solve this problem, in the prior art, an inclinometer is usually combined with the drilling equipment, so that it can be immediately detected whether the blasting hole is offset during the drilling process, so as to make timely adjustments. However, when the drill bit is drilling, the internal environment of the well is generally harsh, and the inclinometer rotates with the drill. The inclinometer is subjected to large vibration acceleration and impact acceleration underground, and the electronic components in the inclinometer are easily damaged. At the same time, the inclinometer usually uses a wireless inclinometer, and the wireless signal is easily interfered with, which affects the measurement results. Summary of the invention

[0003] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a drilling device and method with an inclinometer function, which is used to solve the problem that the internal electronic components of the inclinometer while drilling instruments in the prior art are easily damaged during operation, and the wireless signals are easily interfered with, thereby affecting the measurement results.

[0004] To achieve the above-mentioned purpose and other related purposes, the present invention provides a drilling device and method with an inclinometer function; comprising: a drilling mechanism, a mounting frame, a driving mechanism and an inclinometer mechanism, the drilling mechanism comprising a drill bit, a spiral drill rod and a fixed drill rod, the spiral drill rod and the drill bit are fixedly connected, the spiral drill rod is a hollow structure inside, and threaded blades are provided on the outside, the fixed drill rod is arranged inside the spiral drill rod, the fixed drill rod and the spiral drill rod are coaxially rotatably connected, and the fixed drill rod is a hollow tube; the spiral drill rod and the mounting frame are rotatably connected, and the fixed drill rod and the mounting frame are fixedly connected; the driving mechanism is fixedly installed on the mounting frame, the driving mechanism and the spiral drill rod are transmission-connected, and the spiral drill rod is driven to rotate by the driving mechanism; the inclinometer mechanism comprises an inclinometer and a mounting assembly, and the inclinometer is mounted inside the fixed drill rod through the mounting assembly.

[0005] The fixed drill rod itself does not rotate, and the spiral drill rod drives the drill bit to rotate. During the drilling process, the inclinometer can be well protected inside the fixed drill rod. At the same time, the inclinometer is connected to the ground display through a signal line along the fixed drill rod, and can monitor the deviation of the drill hole in real time. At the same time, due to the use of wired signal transmission, the signal is stable and accurate.

[0006] Optionally, several spiral drill rods are fixedly connected end to end in sequence. Several fixed drill rods are fixedly connected end to end in sequence, and can be bolted or riveted; adding the spiral drill rods can increase the depth of the drill hole. The inclinometer is arranged inside the fixed drill rods near the drill bit. Each group of fixed drill rods is provided with a signal line inside, and quick-connect terminals are provided at both ends of the signal line, so that the signal line can be quickly connected when adding drill rods.

[0007] Optionally, the driving mechanism includes a power assembly and a transmission assembly, the transmission assembly includes a driving pulley and a driven pulley, the driven pulley is coaxially fixedly connected to the auger rod, the driving pulley is coaxially fixedly connected to the output shaft of the power assembly, the power assembly is fixedly connected to the mounting frame, and the driving pulley and the driven pulley are connected via a belt transmission. The transmission path is clear, the mechanism is simple, and the installation is convenient. The use of belt transmission can protect the drill bit.

[0008] Optionally, the mounting assembly includes a damping shock absorber, a mounting plate and a shock absorbing filler, the mounting plate is fixedly connected to the fixed drill rod, the inclinometer and the mounting plate are fixedly connected via the damping shock absorber, and the inclinometer and the fixed drill rod are filled with a shock absorbing filler. Since the damping shock absorber and the shock absorbing filler are provided, the shock absorbing effect can be well achieved, thereby protecting the inclinometer.

[0009] Optionally, the damping shock absorbers are arranged at both upper and lower ends of the inclinometer along the axis of the fixed drill pipe.

[0010] Optionally, the drill bit is provided with a plurality of drainage ports, a water pipe is fixed inside the fixed drill rod, the end of the fixed drill rod is sealed by a sealing plate, a water outlet is provided on the sealing plate, and the water pipe is connected to the water outlet. Water is connected to the water pipe, and the water flows out from the water outlet of the sealing plate, enters the drill bit, and flows out from the drainage port, which can cool and lubricate the drill bit and soften the formation.

[0011] Optionally, it further comprises a workbench, a first telescopic member and a lifting mechanism, wherein the lifting mechanism and the workbench are hinged to each other, the first telescopic member drives the lifting mechanism to swing on the workbench, and the lifting mechanism drives the mounting frame to rise and fall. One end of the first telescopic member is hinged to the workbench, and the other end of the first telescopic member is hinged to the column.

[0012] Optionally, the lifting mechanism includes a column, a guide rail, a second telescopic member, a rope, a first pulley and a second pulley;

[0013] The guide rail is fixedly connected to the column, the mounting frame is slidably matched with the guide rail, the second telescopic member is fixedly connected to the column, the first pulley is rotatably mounted on the telescopic end of the second telescopic member, the second pulley is rotatably mounted on the column, one end of the rope is fixedly connected to the column, the rope passes through the first pulley and the second pulley in sequence, and the other end of the rope is fixedly connected to the mounting frame. When the second telescopic member is in the process of telescoping, it drives the first pulley to move, the first pulley becomes a movable pulley, and the second pulley is a fixed pulley. When the first pulley moves, it drives the mounting frame to move. The stroke of the mounting frame is twice the stroke of the second telescopic member. This makes the equipment design more compact. During drilling, the second telescopic member is extended, and the mounting frame moves downward. Under the action of gravity, a downward pressure is generated on the auger rod, causing it to drill into the formation.

[0014] Optionally, the power assembly is a hydraulic motor, a pneumatic motor, an electric motor or an engine; the first telescopic member and the second telescopic member are air cylinders, oil cylinders or electric push rods.

[0015] A drilling method with an inclinometer function comprises the following steps:

[0016] Drilling step: driving the auger rod to rotate by the driving mechanism, the auger rod drives the drill bit to drill, during the rotation of the auger rod, the fixed drill rod enters the well synchronously with the auger rod, and the fixed drill rod does not rotate; after the shaft of the auger rod is drilled into the well, adding a new auger rod and the fixed drill rod to continue drilling;

[0017] Inclination measurement step: During the drilling process, the inclinometer is electrically connected to a display located on the ground. The position of the wellbore is observed through the display to determine whether the wellbore deviates from the predetermined trajectory so as to make timely adjustments.

[0018] As described above, the drilling device and method with inclinometer function of the present invention have at least the following beneficial effects:

[0019] Since the fixed drill rod itself does not rotate, the spiral drill rod drives the drill bit during drilling, and the inclinometer can be well protected inside the fixed drill rod. At the same time, the inclinometer is connected to the ground display through the signal line along the fixed drill rod, and the deviation of the drill hole can be monitored in real time. At the same time, due to the use of wired signal transmission, the signal is stable and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the drilling device with inclinometer function of the present invention (I);

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the drilling device with inclinometer function of the present invention (II);

[0022] Figure 3 Shown is a schematic diagram of the inclinometer installation structure of the present invention.

[0023] Description of Reference Numerals

[0024] 101-drill bit; 102-auger rod; 103-fixed drill rod; 104-bearing; 1011-drain port;

[0025] 2-Mounting frame;

[0026] 301-power assembly; 302-driven pulley; 303-driving pulley; 304-belt;

[0027] 401-mounting plate; 402-damping shock absorber; 403-inclinometer;

[0028] 501-post; 502-guide rail; 503-second pulley; 504-rope; 505-first pulley; 506-second telescopic member;

[0029] 6-Workbench;

[0030] 7-First telescopic member. DETAILED DESCRIPTION

[0031] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0032] See also Figures 1 to 3 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0033] The following embodiments are only for illustration purposes and can be combined with each other, and are not limited to the contents presented in the following single embodiments.

[0034] See also Figures 1 to 3 The present invention provides a drilling device and method with an inclinometer function, comprising: a drilling mechanism, a mounting frame 2, a driving mechanism and an inclinometer mechanism, wherein the drilling mechanism comprises a drill bit 101, a spiral drill rod 102 and a fixed drill rod 103, wherein the spiral drill rod 102 is fixedly connected to the drill bit 101, wherein the spiral drill rod 102 is hollow inside and has threaded blades outside, wherein the fixed drill rod 103 is arranged inside the spiral drill rod 102, and wherein the fixed drill rod 103 and the spiral drill rod 102 are coaxially rotatably connected, The fixed drill rod 103 and the auger drill rod 102 can be rotatably connected through a bearing 104, and the fixed drill rod 103 is a hollow tube; the auger drill rod 102 is rotatably connected to the mounting frame 2, and the fixed drill rod 103 is fixedly connected to the mounting frame 2; the driving mechanism is fixedly installed on the mounting frame 2, and the driving mechanism is transmission-connected to the auger drill rod 102, and the auger drill rod 102 is driven to rotate by the driving mechanism; the inclinometer mechanism includes an inclinometer 403 and an installation assembly. The inclinometer 403 is installed inside the fixed drill rod 103 through the installation assembly.

[0035] The fixed drill rod 103 itself does not rotate, and the spiral drill rod 102 drives the drill bit 101 to rotate; during the drilling process, the inclinometer 403 can be well protected inside the fixed drill rod 103. At the same time, the inclinometer 403 is connected to the ground display through a signal line along the fixed drill rod 103, and can monitor the deviation of the drill hole in real time. At the same time, due to the use of wired signal transmission, the signal is stable and accurate.

[0036] In this embodiment, please refer to Figure 1-Figure 3 , several spiral drill rods 102 are fixedly connected end to end in sequence. Several fixed drill rods 103 are fixedly connected in sequence, and can be bolted or riveted; adding the spiral drill rods can increase the depth of the drill hole. The inclinometer 403 is arranged inside the fixed drill rods 103 near the drill bit 101. Each group of the fixed drill rods 103 is provided with a signal line, and quick connection terminals are provided at both ends of the signal line, so that the signal line can be quickly connected when adding drill rods.

[0037] In this embodiment, please refer to Figure 1-Figure 3The driving mechanism includes a power assembly 301 and a transmission assembly, the transmission assembly includes a driving pulley 303 and a driven pulley 302, the driven pulley 302 is coaxially fixedly connected to the auger rod 102, the driving pulley 303 is coaxially fixedly connected to the output shaft of the power assembly 301, the power assembly 301 is fixedly connected to the mounting frame 2, and the driving pulley 303 and the driven pulley 302 are connected through a belt 304. The transmission path is clear, the mechanism is simple, and the installation is convenient. The use of belt transmission can protect the drill bit 101.

[0038] In this embodiment, please refer to Figure 1-Figure 3 The mounting assembly includes a damping shock absorber 402, a mounting plate 401 and a shock absorbing filler, the mounting plate 401 is fixedly connected to the fixed drill rod 103, the inclinometer 403 and the mounting plate 401 are fixedly connected via the damping shock absorber 402, and the inclinometer 403 and the fixed drill rod 103 are filled with a shock absorbing filler. Since the damping shock absorber 402 and the shock absorbing filler are provided, the shock absorbing effect can be well played, and the inclinometer 403 is protected.

[0039] In this embodiment, please refer to Figure 1-Figure 3 The damping shock absorbers 402 are arranged at both upper and lower ends of the inclinometer 403 along the axis of the fixed drill rod 103 .

[0040] In this embodiment, please refer to Figure 1-Figure 3 The drill bit 101 is provided with a plurality of drainage ports 1011, a water pipe is fixedly provided inside the fixed drill rod 103, the end of the fixed drill rod 103 is sealed by a sealing plate, a water outlet is provided on the sealing plate, and the water pipe is connected to the water outlet. Water is connected to the water pipe, and the water flows out from the water outlet of the sealing plate, enters the drill bit 101, and flows out from the drainage ports 1011, which can cool and lubricate the drill bit 101, and soften the formation at the same time.

[0041] In this embodiment, please refer to Figure 1-Figure 3 , further comprising a workbench 6, a first telescopic member 7 and a lifting mechanism, wherein the lifting mechanism and the workbench 6 are hinged to each other, and the first telescopic member 7 drives the lifting mechanism to swing on the workbench 6, and the mounting frame 2 is driven to rise and fall through the lifting mechanism. One end of the first telescopic member 7 is hinged to the workbench 6, and the other end of the first telescopic member 7 is hinged to the column. Since the lifting mechanism and the workbench are hinged to each other, the auger rod 102 can be adjusted through the first telescopic member 7.

[0042] In this embodiment, please refer to Figure 1-Figure 3, the lifting mechanism includes a column 501, a guide rail 502, a second telescopic member 506, a rope 504, a first pulley 505 and a second pulley 503;

[0043] The guide rail 502 is fixedly connected to the column 501, the mounting frame 2 is slidably matched with the guide rail 502, the second telescopic member 506 is fixedly connected to the column 501, the first pulley 505 is rotatably mounted on the telescopic end of the second telescopic member 506, the second pulley 503 is rotatably mounted on the column 501, one end of the rope 504 is fixedly connected to the column 501, the rope 504 passes through the first pulley 505 and the second pulley 503 in sequence, and the other end of the rope 504 is fixedly connected to the mounting frame 2. When the second telescopic member 506 is in the telescopic process, it drives the first pulley 505 to move, the first pulley 505 becomes a movable pulley, the second pulley 503 is a fixed pulley, and when the first pulley 505 moves, it drives the mounting frame 2 to move. The travel of the mounting frame 2 is twice the travel of the second telescopic member 506. This makes the equipment design more compact. During drilling, the second telescopic member 506 is extended, and the mounting frame 2 moves downward. Under the action of gravity, a downward pressure is exerted on the auger rod 102, causing it to drill into the ground.

[0044] In this embodiment, please refer to Figure 1-Figure 3 The power assembly 301 is a hydraulic motor, a pneumatic motor, an electric motor or an engine; the first telescopic member 7 and the second telescopic member 506 are cylinders, oil cylinders or electric push rods.

[0045] A drilling method with an inclinometer function comprises the following steps:

[0046] Drilling steps: the auger rod 102 is driven to rotate by the driving mechanism, and the auger rod 102 drives the drill bit 101 to drill. When most of the auger rod 102 is drilled into the well, the auger rod 102 and the fixed drill rod 103 are detached from the mounting frame 2, and new auger rods 102 and fixed drill rods 103 are added; and drilling is continued.

[0047] Inclination measurement step: During the drilling process, the inclinometer 403 is electrically connected to a display, and the position of the wellbore is observed through the display to determine whether the wellbore deviates from the predetermined trajectory so as to make timely adjustments.

[0048] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A drilling device with an inclinometer function, characterized in that: include: Drilling mechanism, The drilling mechanism comprises a drill bit, an auger rod and a fixed drill rod, the auger rod is fixedly connected to the drill bit, the interior of the auger rod is a hollow structure, the exterior of the auger rod is provided with threaded blades, the fixed drill rod is arranged inside the auger rod, the fixed drill rod and the auger rod are coaxially rotatably connected, and the fixed drill rod is a hollow tube; Mounting frame, The spiral drill rod is rotatably connected to the mounting frame, and the fixed drill rod is fixedly connected to the mounting frame; Drive mechanism, The driving mechanism is fixedly mounted on the mounting frame, the driving mechanism is in transmission connection with the auger rod, and the auger rod is driven to rotate by the driving mechanism; Inclinometer mechanism, The inclinometer mechanism comprises an inclinometer and a mounting assembly, and the inclinometer is mounted inside the fixed drill rod through the mounting assembly.

2. The drilling device with inclinometer function according to claim 1, characterized in that: A plurality of spiral drill rods are fixedly connected head to tail in sequence, a plurality of fixed drill rods are fixedly connected head to head in sequence, and the inclinometer is arranged inside the fixed drill rod connected to the drill bit.

3. The drilling device with inclinometer function according to claim 1, characterized in that: The driving mechanism includes a power component and a transmission component, the transmission component includes a driving pulley and a driven pulley, the driven pulley is coaxially fixedly connected to the auger rod, the driving pulley is coaxially fixedly connected to the output shaft of the power component, the power component is fixedly connected to the mounting frame, and the driving pulley and the driven pulley are connected via a belt drive.

4. The drilling device with inclinometer function according to claim 1, characterized in that: The mounting assembly includes a damping shock absorber, a mounting plate and a shock-absorbing filler. The mounting plate is fixedly connected to the fixed drill rod. The inclinometer and the mounting plate are fixedly connected via the damping shock absorber. The space between the inclinometer and the fixed drill rod is filled with a shock-absorbing filler.

5. The drilling device with inclinometer function according to claim 4, characterized in that: The damping shock absorbers are arranged at both upper and lower ends of the inclinometer along the axis of the fixed drill rod.

6. The drilling device with inclinometer function according to claim 3, characterized in that: The drill bit is provided with a plurality of drainage ports, a water pipe is fixedly provided inside the fixed drill rod, the end of the fixed drill rod is sealed by a sealing plate, a water outlet is provided on the sealing plate, and the water pipe is communicated with the water outlet.

7. The drilling device with inclinometer function according to claim 3, characterized in that: It also includes a workbench, a first telescopic member and a lifting mechanism. The lifting mechanism and the workbench are hinged to each other. The first telescopic member drives the lifting mechanism to swing on the workbench, and the lifting mechanism drives the mounting frame to rise and fall.

8. The drilling device with inclinometer function according to claim 7, characterized in that: The lifting mechanism comprises a column, a guide rail, a second telescopic member, a rope, a first pulley and a second pulley; The guide rail is fixedly connected to the column, the mounting frame is slidably matched with the guide rail, the second telescopic member is fixedly connected to the column, the first pulley is rotatably mounted on the telescopic end of the second telescopic member, the second pulley is rotatably mounted on the column, one end of the rope is fixedly connected to the column, the rope passes through the first pulley and the second pulley in sequence, and the other end of the rope is fixedly connected to the mounting frame; One end of the first telescopic member is hinged to the workbench, and the other end of the first telescopic member is hinged to the column.

9. The drilling device with inclinometer function according to claim 8, characterized in that: The power assembly is a hydraulic motor, a pneumatic motor, an electric motor or an engine; the first telescopic member and the second telescopic member are air cylinders, oil cylinders or electric push rods.

10. A drilling method with an inclinometer function, applicable to the drilling device with an inclinometer function according to any one of claims 1 to 9, characterized in that: The steps include: Drilling step: driving the auger rod to rotate by the driving mechanism, the auger rod drives the drill bit to drill, during the rotation of the auger rod, the fixed drill rod enters the well synchronously with the auger rod, and the fixed drill rod does not rotate; after the shaft of the auger rod is drilled into the well, adding a new auger rod and the fixed drill rod to continue drilling; Inclination measurement step: During the drilling process, the inclinometer is electrically connected to a display located on the ground. The position of the wellbore is observed through the display to determine whether the wellbore deviates from the predetermined trajectory so as to make timely adjustments.

Citation Information

Patent Citations

  • Wireless while-drilling type air fast drilling combined drilling unit

    CN103939009A

  • Drill pipe inner lower type inclination measuring device and drill pipe inner lower type inclination measuring system

    CN108798645A