Diamond drill bit water hole dismounting matching device and using method thereof

Abstract

The invention discloses a diamond drill bit water hole dismounting matching device and a using method thereof, and relates to the technical field of drill bit production, the device comprises a bottom plate and a back plate, the bottom plate and the back plate are perpendicular and connected, the bottom plate is provided with a rotating disc, and a positioning column is fixed to the rotating disc; two limiting plates are vertically arranged on the bottom plate, located on the two sides of the rotary disc respectively, abut against the back plate and are perpendicular to the back plate. A plurality of through holes are formed in the limiting plates, and two pull rods are arranged between the limiting plates, penetrate through the through holes of the limiting plates on the two sides respectively and are located on the two sides of the drill bit respectively to limit movement of the drill bit. The device can provide stable support for a large-size drill bit, prevent the drill bit from toppling over, improve the operation safety and facilitate single-person operation; acquiring internal image data of the drill bit through an image acquisition device, and identifying a water hole nozzle balling condition; meanwhile, the heating module and the air blowing module are combined, the balling rock debris is rapidly dried, the adhesive force with the surface of the drill bit is eliminated, and the stripping difficulty is remarkably reduced.

Description

Technical Field

[0001] The invention relates to the technical field of drill bit production, in particular to a diamond drill bit water hole disassembly matching device and a use method thereof. Background Art

[0002] As one of the important components of the drill bit, the drill bit water hole has the function of cleaning the drill bit and the bottom of the well, and plays a role in hydraulic rock breaking through the nozzle installed in the drill bit water hole, and can produce a balanced pressure distribution on the rock surface. The nozzle of a conventional drill bit is cylindrical.

[0003] When the drill bit is pulled out of the well, it is often accompanied by mud packing, which causes the inside of the water nozzle to be blocked by a large amount of dense rock debris. It needs to be cleaned first. The cleaning process is very inconvenient and requires the use of other supporting tools. The early Chinese invention patent CN112659047B, a PDC drill bit supporting tool, is used to solve this problem. However, feedback from field use shows that this supporting tool has the following problems: First, the drill bit needs to be turned upside down on the ground for operation. For large-sized drill bits, single-person operation is extremely difficult. Forcing a single person to operate it can easily cause the drill bit to fall and hit the worker's feet; second, for mud-packed drill bits that have just been pulled out of the well, due to the irregular structure near the water nozzle, a large-coverage, firmly adhered mud-packed rock debris mass is often formed. Existing methods are difficult to effectively remove such stubborn blockages. Summary of the Invention

[0004] The purpose of the present invention is to provide a diamond drill bit water hole disassembly matching device and its use method in response to the above-mentioned problems, which can provide a stable support platform for large-mass and large-size diamond drill bits, effectively prevent the drill bit from tilting or tipping over when disassembling the water hole nozzle, significantly improve operational safety, and facilitate single-person operation; at the same time, an image acquisition device is provided to directly acquire image data inside the drill bit, and then analyze the mud packing condition of the water hole nozzle; by combining the heating module and the blowing module, the mud-packed rock cuttings are quickly dried, and the liquid phase material in the rock cuttings is evaporated or volatilized to eliminate the close adhesion of the mud-packed rock cuttings to the drill bit surface due to fluid tension, thereby greatly reducing the subsequent stripping difficulty and manual cleaning intensity.

[0005] The technical solution adopted by the present invention is as follows: a diamond drill bit water hole disassembly matching device, including a base plate and a back plate, the base plate and the back plate are perpendicular and connected, the base plate is provided with a turntable, and a positioning column is fixed on the turntable; two limit plates are vertically provided on the base plate, the limit plates are respectively located on both sides of the turntable, the limit plates are against the back plate and perpendicular to the back plate; the limit plates are opened with a plurality of through holes, and two pull rods are provided between the limit plates, the pull rods respectively pass through the through holes of the limit plates on both sides, and the pull rods are respectively located on both sides of the drill bit to form a movement limit for the drill bit.

[0006] Optionally, the bottom plate is provided with two first rails, both of which are perpendicular to the back plate, and the first rails are respectively provided on both sides of the turntable to support the sliding of the turntable.

[0007] Optionally, the bottom plate is provided with a fourth track, and there are at least two fourth tracks which are both parallel to the back plate position, and the fourth tracks are used for the sliding of the limiting plate.

[0008] Optionally, the pull rod is provided with threads, and nuts are connected to both ends of the pull rod, and the nuts are used to limit the position of the limiting plate.

[0009] Optionally, a motor for driving the turntable to rotate is provided under the turntable, and the bottom plate is provided with a second track for the motor to slide, and the second track is perpendicular to the back plate.

[0010] Optionally, an image acquisition device and a plurality of illumination light sources are provided on the top of the positioning column.

[0011] Optionally, the image acquisition device is connected to a processor, and the processor is connected to a display, and the display is used to display the recognition result of the processor.

[0012] Optionally, the back plate is provided with a heating device near the drill bit.

[0013] Optionally, the back plate is provided with a third track above the limiting plate, the extension direction of the third track is perpendicular to the limiting plate, and the third track is slidably provided with a blowing device.

[0014] A method for using a diamond drill bit water hole disassembly supporting device comprises the following steps: S1. Remove the diamond drill bit from the well, turn it upside down on the turntable with the joint facing downward, and insert the positioning pin into the interior of the diamond drill bit; S2. Open the limit plates on both sides, move the turntable until the diamond drill bit contacts the back plate, and retract the two limit plates inward until the two limit plates contact the diamond drill bit respectively; S3. Select a through hole that corresponds to the height of the connection between the drill bit body and the joint according to the drill bit specifications, install the pull rods to lock the limit plate, and place the two pull rods on both sides of the diamond drill bit; S4, identifying the position of the water hole covered with mud by an image acquisition device, and starting a motor to rotate the position until it abuts against the back plate; S5, start the heating device and the blast device to dry the area where the water eye is located that is covered with mud; S6. Dismantle the water hole manually.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The present invention provides a diamond drill bit water hole disassembly supporting device and its use method. The device can provide a stable support platform for large-mass and large-size diamond drill bits, effectively preventing the drill bit from tilting or tipping over when disassembling the water hole nozzle, significantly improving operational safety and facilitating single-person operation. At the same time, a rotatable turntable is provided to facilitate flexible adjustment of the drill bit to the optimal working position during single-person operation, optimize the force application angle, and improve disassembly efficiency.

[0016] 2. The present invention provides a diamond drill bit water hole disassembly matching device and its use method. The image acquisition device can directly obtain image data inside the drill bit, and perform intelligent analysis based on image recognition technology to output results such as the number of water hole nozzle blockages, the extension of mud bags into the water hole, and their distribution form. This can not only assist on-site personnel in efficiently performing water hole cleaning and disassembly operations, but also facilitate the collection of on-site data for improvement and optimization of the drill bit structure.

[0017] 3. The present invention provides a diamond drill bit water hole removal device and its use method. This device combines a heating module with an air blast module. The heating module rapidly dries mud-encrusted cuttings, evaporating or volatilizing the liquid phase in the cuttings to eliminate the tight adhesion of the mud-encrusted cuttings to the drill bit surface due to fluid tension, thereby significantly reducing the difficulty of subsequent stripping and the intensity of manual cleaning. The air blast module blows air into the drill bit, accelerating air flow over the mud-encrusted drill bit surface and improving drying efficiency. Furthermore, the device's equipped turntable allows for flexible adjustment of the drill bit's orientation, enabling targeted drying of mud-encrusted cuttings in different orientations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will now be described by way of example with reference to the accompanying drawings, in which: Figure 1 It is a structural schematic diagram of the present invention; Markings in the figure: 1-base plate; 2-back plate; 3-turntable; 4-positioning column; 5-limiting plate; 6-through hole; 7-pull rod; 8-first track; 9-image acquisition device; 10-illumination light source; 11-second track; 12-display; 13-nut; 14-heating device; 15-third track; 16-blowing device; 17-fourth track. DETAILED DESCRIPTION

[0019] The present invention will be described in detail below with reference to the accompanying drawings.

[0020] All features disclosed in this specification, or all steps in the disclosed methods or processes, except mutually exclusive features and / or steps, can be combined in any manner.

[0021] Any feature disclosed in this specification, unless otherwise stated, may be replaced by other equivalent or similar features. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0022] like Figure 1 As shown, a diamond drill bit water hole disassembly supporting device includes a base plate 1 and a back plate 2, the base plate 1 and the back plate 2 are perpendicular and connected, the base plate 1 and the back plate 2 constitute an L-shaped basic frame, forming a rigid support, providing a stable working platform for the drill bit disassembly operation, and at the same time, the back plate 2 abuts against the side of the drill bit, which can limit the drill bit; the base plate 1 is provided with a turntable 3, which serves as a core bearing component and can not only support the weight of the drill bit, but also realize the adjustment of the drill bit orientation, ensuring that the best force angle is obtained during disassembly, thereby improving the disassembly efficiency; a positioning column 4 is fixed on the turntable 3, and the positioning column 4 can penetrate into the interior of the drill bit for precise positioning, effectively preventing the drill bit from tilting or displacement during operation; Two limit plates 5 are vertically arranged on the base plate 1, and the limit plates 5 are respectively located on both sides of the turntable 3. The limit plates 5 are against the back plate 2 and perpendicular to the back plate 2, and the limit plates 5 are used to clamp and fix the drill body; the limit plates 5 are provided with a plurality of through holes 6, and the through holes 6 provide multi-level adjustment holes for accommodating pull rods 7, which can adapt to drill bits of different specifications; two pull rods 7 are arranged between the limit plates 5, and the pull rods 7 respectively pass through the through holes 6 of the limit plates 5 on both sides, and the pull rods 7 are respectively located on both sides of the drill bit to form a movement limit for the drill bit. The pull rods 7 form a mechanical constraint at the key connection between the drill body and the joint, which can limit the sliding of the drill bit along the first track 8 when the drill bit is disassembled.

[0023] This device adopts a multiple limit design. Through the support of the internal positioning column 4, the limiting effect of the side back plate 2 and the limit plate 5, and the reliable constraint of the middle pull rod 7, it provides a stable support platform for large-mass and large-size diamond drill bits, effectively preventing the drill bit from tilting or tipping over when disassembling the water eye nozzle, significantly improving operational safety and facilitating single-person operation; it solves the technical problems of the drill bit being easy to tip over and inconvenient operation during traditional disassembly.

[0024] In an optional embodiment, the base plate 1 is provided with a first track 8, which has two first tracks 8 and is perpendicular to the back plate 2. The first tracks 8 are respectively provided on both sides of the turntable 3 to support the sliding of the turntable 3. The provision of the first track 8 firstly has a guiding function, providing a precise linear movement trajectory for the turntable 3, ensuring that the turntable 3 remains horizontal and stable during the sliding process; secondly, it has an operation optimization function, allowing the operator to slide the turntable 3 along the first track 8 to the outside of the limit plate 5 area for drill bit loading, avoiding interference with the limit plate 5 when the drill bit is installed upside down, thereby improving operational safety; finally, it has a high adaptability function, when the turntable 3 moves along the track, it can drive the positioning column 4 and the drill bit carried by it to translate synchronously, ensuring that drill bits of different diameters can maintain stable contact with the back plate 2, so that the back plate 2 can form an effective side constraint for drill bits of different sizes.

[0025] In an alternative embodiment, the base plate 1 is provided with at least two fourth rails 17, both positioned parallel to the back plate 2. These rails 17 are used for the sliding movement of the stop plate 5. The fourth rails 17 serve as the core guide mechanism for the stop plate 5, employing a dual-rail parallel layout to provide a high-precision linear motion trajectory for the stop plate 5. The fourth rails 17 allow the stop plate 5 to expand and contract, thereby accommodating drill bits of varying diameters.

[0026] In an alternative embodiment, the pull rod 7 is threaded, with nuts 13 attached at each end. These nuts 13 are used to define the position of the stop plate 5. The precisely machined threaded structure of the pull rod 7, combined with the high-strength locking nut 13, forms a reliable mechanical restraint system, significantly improving the device's adaptability to drill bits of varying specifications. The threaded-nut design at both ends of the pull rod 7 ensures both precise adjustment and stability during drill bit removal.

[0027] An optional embodiment is that a motor for driving the turntable 3 to rotate is provided under the turntable 3. The motor drives the turntable 3 to rotate and thereby realizes controllable rotation of the drill bit. The motor can drive the turntable 3 to rotate at a constant speed or rotate the area where the water hole is located, which is covered with mud, toward the heating device 14. The bottom plate 1 is provided with a second track 11 for the motor to slide. The second track 11 is perpendicular to the back plate 2. The setting of the second track 11 can ensure that the motor can slide synchronously with the turntable 3 to avoid interference between the motor and the turntable 3 during rotation or sliding. Furthermore, the motor uses a servo motor, which can accurately adjust the speed and direction, so that the operator can adjust the drill bit to the optimal working angle according to actual needs. The servo motor is a commonly used device in this field and belongs to the prior art. Its specific structure and working method will not be described in detail in this manual.

[0028] In an optional embodiment, an image acquisition device 9 and several lighting sources 10 are provided at the top of the positioning column 4. Since the positioning column 4 is inserted into the joint of the drill bit, the image acquisition device 9 provided at the top of the positioning column 4 can directly acquire image data from the inside of the drill bit, and then transmit the image data to the processor. The processor can analyze the internal conditions of the drill bit based on image recognition technology to obtain results such as the number of water eye nozzle blockages, whether mud bags extend into the water eye, and the morphological distribution of mud bags extending into the water eye. This not only assists workers in cleaning and disassembling the water eye nozzles on site, but also facilitates the collection of on-site data for improvement and optimization of the drill bit structure, breaking through the "blind operation" limitations of traditional disassembly operations and significantly improving operational safety and processing efficiency under complex working conditions. The lighting source 10 provides a uniform and stable lighting environment for image acquisition, making it easier to understand the morphological distribution of mud bags inside the water eye.

[0029] In an alternative embodiment, the image acquisition device 9 is connected to a processor. The processor can use built-in image recognition software to perform feature recognition on the captured image and identify the number of mud-filled water holes. The processor is also connected to a display 12, which displays the processor's recognition results, allowing personnel to quickly determine the number of mud-filled water holes. Furthermore, the processor can use a computer or other device to process the captured image based on image recognition technology. Determining whether the water hole nozzle has mud packing is based on turning off the lighting source. Unfilled water holes are connected to the outside world and therefore clearly transmit light. To determine whether the mud packing extends into the water hole and the distribution of the mud packing that does extend into the water hole, the lighting source 10 can be turned on, and the image acquisition device 9 captures an image of the drill bit's interior and transfers it to local storage for temporary storage.

[0030] An optional implementation method is that the back plate 2 is provided with a heating device 14 near the drill bit. For a drill bit that has just been packed with mud, due to the irregular and uneven structure near the water hole nozzle, the mud-packed rock cuttings that are packed in a large amount and cover a large area around the water hole are still difficult to clean up. However, the present application sets a heating device 14 on the surface of the back plate 2. The heating device 14 is used to quickly dry the mud-packed rock cuttings, so that the liquid phase substances (such as water and oil) in the rock cuttings evaporate / volatilize, and the tight adhesion of the mud-packed rock cuttings to the drill bit surface due to fluid tension is released, thereby reducing the difficulty of stripping the mud-packed rock cuttings from the drill bit and reducing manpower consumption. In addition, the heating device 14 works in conjunction with the rotation of the turntable 3. The heating direction can be adjusted according to the mud pack distribution area located by the image recognition system, and the mud-packed rock cuttings in different directions can be dried to achieve the optimal balance between energy consumption and efficiency.

[0031] In an alternative embodiment, the back plate 2 is provided with a third track 15 above the stop plate 5. The third track 15 extends perpendicular to the stop plate 5 and is slidably mounted with an air blower 16. Air blower 16 blows air toward the drill bit, accelerating air flow on the surface of the mud-encrusted drill bit, achieving faster drying and improving drying efficiency. The provision of the third track 15 facilitates removal of the air blower 16 after drying the mud-encrusted cuttings, thereby preventing it from interfering with the removal of the drill bit's water nozzle.

[0032] The coordinated operation of the heating device 14 and the air blast device 16 forms a highly efficient balling treatment system. The heating device 14 provides a stable heat source, evaporating / volatizing liquid substances (such as water and oil) in the cuttings; the air blast device 16 accelerates the drying of the cuttings through directional airflow. The alternating / simultaneous operation of the two prevents damage to the drill bit from sustained high temperatures while achieving comprehensive drying.

[0033] A method for using a diamond drill bit water hole disassembly supporting device comprises the following steps: S1. Remove the diamond drill bit from the well, place it upside down on the turntable 3 with the joint facing downward, and insert the positioning column 4 into the interior of the diamond drill bit; S2. Open the limit plates 5 on both sides, move the turntable 3 until the diamond drill bit abuts the back plate 2, and retract the two limit plates 5 inward until the two limit plates 5 abut against the diamond drill bit respectively; S3. Select a through hole 6 corresponding to the height of the connection between the drill bit body and the joint according to the drill bit specifications, install the pull rod 7 to lock the limit plate 5, and make the two pull rods 7 located on both sides of the diamond drill bit; S4, using the image acquisition device 9 to identify the location of the water hole covered with mud, and starting the motor to rotate the location until it abuts against the back plate 2; S5, start the heating device 14 and the blowing device 16 to dry the area where the water eye is located; S6. Manual disassembly of the water hole. The operator manually twists the drill bit body to separate it from the joint.

[0034] Furthermore, in step S4, the area where the mud-filled water holes are located can be determined by the following method: first, the model of a commonly used diamond drill bit and the number and layout of the water holes thereof are preset; then, the user inputs the drill bit model to the processor in advance, and the processor reads the number and layout of the water holes corresponding to the model; then, the processor performs feature matching on the number and position of the water holes in the image acquired by the image acquisition device 9 to obtain the area where the mud-filled water holes are located; finally, the processor automatically controls the motor output, and the motor rotates the mud-filled water holes to be close to the heating device 14: If there is only one continuous area where the water hole is covered by mud, and the central angle of the area is less than or equal to 60 degrees, the motor is driven to rotate the area where the water hole is covered by mud toward the heating device 14; If there is only one continuous area where the water hole is located and the central angle of the area is greater than 60 degrees, the motor controls the turntable 3 to rotate back and forth so that the area where the water hole is located rotates back and forth in the direction of the heating device 14; If there are at least two discontinuous areas where the water holes are covered with mud, the motor controls the turntable 3 to move intermittently, so that the different water holes covered with mud intermittently and alternately face the heating device 14 .

[0035] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The present invention provides a diamond drill bit water hole disassembly supporting device and its use method. The device can provide a stable support platform for large-mass and large-size diamond drill bits, effectively preventing the drill bit from tilting or tipping over when disassembling the water hole nozzle, significantly improving operational safety and facilitating single-person operation. At the same time, a rotatable turntable is provided to facilitate flexible adjustment of the drill bit to the optimal working position during single-person operation, optimize the force application angle, and improve disassembly efficiency.

[0036] 2. The present invention provides a diamond drill bit water hole disassembly matching device and its use method. The image acquisition device can directly obtain image data inside the drill bit, and perform intelligent analysis based on image recognition technology to output results such as the number of water hole nozzle blockages, the extension of mud bags into the water hole, and their distribution form. This can not only assist on-site personnel in efficiently performing water hole cleaning and disassembly operations, but also facilitate the collection of on-site data for improvement and optimization of the drill bit structure.

[0037] 3. The present invention provides a diamond drill bit water hole removal device and its use method. This device combines a heating module with an air blast module. The heating module rapidly dries mud-encrusted cuttings, evaporating or volatilizing the liquid phase in the cuttings to eliminate the tight adhesion of the mud-encrusted cuttings to the drill bit surface due to fluid tension, thereby significantly reducing the difficulty of subsequent stripping and the intensity of manual cleaning. The air blast module blows air into the drill bit, accelerating air flow over the mud-encrusted drill bit surface and improving drying efficiency. Furthermore, the device's equipped turntable allows for flexible adjustment of the drill bit's orientation, enabling targeted drying of mud-encrusted cuttings in different orientations.

[0038] The present invention is not limited to the aforementioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

[0039] In the embodiments of the present invention, unless otherwise expressly specified or limited, terms such as "connection" and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

Claims

1. A diamond drill bit water hole disassembly supporting device, characterized by: The invention comprises a bottom plate (1) and a back plate (2), wherein the bottom plate (1) and the back plate (2) are vertical and connected to each other, the bottom plate (1) is provided with a turntable (3), and a positioning column (4) is fixed on the turntable (3); the bottom plate (1) is vertically provided with two limit plates (5), the limit plates (5) are respectively located on both sides of the turntable (3), the limit plates (5) are against the back plate (2) and are perpendicular to the back plate (2); the limit plates (5) are provided with a plurality of through holes (6), and two pull rods (7) are provided between the limit plates (5), the pull rods (7) respectively pass through the through holes (6) of the limit plates (5) on both sides, and the pull rods (7) are respectively located on both sides of the drill bit to form a motion limit for the drill bit.

2. The diamond drill bit water hole disassembly device according to claim 1, characterized in that: The bottom plate (1) is provided with a first track (8), and the first track (8) has two tracks and is perpendicular to the back plate (2). The first track (8) is respectively provided on both sides of the turntable (3) to support the sliding of the turntable (3).

3. The diamond drill bit water hole disassembly device according to claim 1, characterized in that: The bottom plate (1) is provided with a fourth track (17), and there are at least two fourth tracks (17) and both are parallel to the position of the back plate (2). The fourth track (17) is used for the sliding of the limiting plate (5).

4. The diamond drill bit water hole disassembly device according to claim 3, characterized in that: The pull rod (7) is provided with a thread, and nuts (13) are connected to both ends of the pull rod (7), and the nuts (13) are used to limit the position of the limiting plate (5).

5. The diamond drill bit water hole disassembly device according to claim 1, characterized in that: A motor for driving the turntable (3) to rotate is provided below the turntable (3), and a second track (11) for the motor to slide is provided on the bottom plate (1), wherein the second track (11) is perpendicular to the back plate (2).

6. The diamond drill bit water hole disassembly device according to claim 1, characterized in that: An image acquisition device (9) and a plurality of illumination light sources (10) are provided at the top end of the positioning column (4).

7. The diamond drill bit water hole disassembly device according to claim 6, characterized in that: The image acquisition device (9) is connected to a processor, and the processor is connected to a display (12). The display (12) is used to display the recognition result of the processor.

8. The diamond drill bit water hole disassembly device according to claim 1, characterized in that: The back plate (2) is provided with a heating device (14) at a position close to the drill bit.

9. The diamond drill bit water hole disassembly device according to claim 1, characterized in that: The back plate (2) is provided with a third track (15) above the limiting plate (5); the extension direction of the third track (15) is perpendicular to the limiting plate (5); and the third track (15) is slidably provided with a blowing device (16).

10. A method for using the diamond drill bit water hole disassembly device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Remove the diamond drill bit after it leaves the well, place the diamond drill bit upside down on the turntable (3) with the joint facing downward, and insert the positioning column (4) into the interior of the diamond drill bit; S2, open the limit plates (5) on both sides, move the turntable (3) until the diamond drill bit abuts against the back plate (2), and retract the two limit plates (5) inward until the two limit plates (5) abut against the diamond drill bit respectively; S3. Select a through hole (6) corresponding to the height of the connection between the drill bit body and the joint according to the drill bit specifications, install a pull rod (7) to lock the limit plate (5), and make the two pull rods (7) located on both sides of the diamond drill bit respectively; S4, identifying the position of the water hole covered with mud by the image acquisition device (9), and starting the motor to rotate the position until it abuts against the back plate (2); S5, start the heating device (14) and the blowing device (16) to dry the area where the water hole is covered with mud; S6. Dismantle the water hole manually.

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