Pulse screw drill
By introducing oscillation components and auxiliary components into the screw drilling tool, the problem of easy blockage or difficulty in drilling when drilling depth is large, achieving a more efficient drilling process and better drilling bit recycling effect.
Patent Information
- Application Number
- CN202510176917.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2045-02-18
AI Technical Summary
When drilling deep, the drill bit is susceptible to the influence of deep rock formation environment and becomes blocked or difficult to drill.
A pulse screw drill tool is designed, using oscillation assembly and auxiliary assembly. The oscillation assembly drives the oscillation hammer to oscillate through the transmission shaft, forming an eccentric oscillation flow of the hydraulic medium to reduce the friction resistance of the drill bit. The auxiliary assembly helps the drill bit to empty and reduces the pulling force when picking the rod through auxiliary wheels and telescopic rods.
Effectively reduce the frictional resistance of the drill bit in the formation, improve drilling efficiency, avoid the drill bit being offset or blocked by the rock formation environment, ensure the smooth progress of the drilling progress, and improve the recycling effect and service life of the drill bit.
Smart Images

Figure CN119981636A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of screw drill tools, and in particular relates to a pulse screw drill tool. Background Art
[0002] Screw drill bits are a type of volumetric downhole power drill bits that use drilling fluid as power and convert liquid pressure energy into mechanical energy. Screw drill bits have become an indispensable drilling tool in drilling operations. They play a particularly important role in special processes such as directional wells, horizontal wells, extended reach wells, multi-branch wells, and cluster wells in petroleum, geological exploration, geothermal wells, and coalbed methane production.
[0003] The document with publication number CN118793368A discloses a multifunctional screw drill, which belongs to the technical field of oil drilling tools, and includes a bypass valve assembly, an anti-drop assembly, a motor assembly, a universal shaft assembly, a transmission shaft assembly and a connecting assembly which are screwed in sequence from top to bottom, a rotating assembly is connected and installed on the connecting assembly, an adjusting assembly is slidably connected on the rotating assembly, a plurality of diversion holes and a plurality of flow conversion holes are opened on the rotating assembly, a diversion channel is formed between the rotating assembly and the adjusting assembly, a plurality of first drainage holes are opened on the adjusting assembly, and a plurality of first drainage holes are opened on the adjusting assembly. The drainage channel is connected to the flow exchange hole. When the feed speed of the screw drill and the drill bit of the invention is greater than the drilling speed, the drill bit and the transmission column slide upward relative to the rotating tube, and the diversion hole is gradually blocked by the transmission column, so that the drilling fluid pressure gradually increases and impacts the transmission column, causing the transmission column to move downward, and the mud pump continuously delivers drilling fluid to achieve impact and rotation combined drilling, thereby improving drilling efficiency. However, in the actual construction process, since the drilling depth is generally deep, the drill bit is affected by the deep rock environment and becomes blocked or difficult to drill. Therefore, improvement is needed. Summary of the invention
[0004] The purpose of the present invention is to propose a pulse screw drill to solve the problem that the drilling depth is generally deep, so that the drill bit is affected by the deep rock environment and becomes blocked or difficult to drill.
[0005] In order to achieve the above object, the present invention adopts the following technical solutions:
[0006] A pulse screw drill comprises a rod body, a cavity is formed inside the rod body, an auxiliary component is arranged on the outer peripheral side of the rod body, a transmission shaft is connected to the rod body, an oscillation component is arranged on the outer surface of the transmission shaft, one end of the transmission shaft extends to the outside of the rod body and is connected to a rotating table, and a drill bit is arranged at the bottom of the rotating table through an adjustment component;
[0007] The oscillation component includes an oscillation hammer capable of reciprocating vibration, the outer periphery of the oscillation hammer is provided with rapid flow grooves distributed in a circumferential array, the top of the oscillation hammer is connected to a sliding tube, the top of the sliding tube is connected to a plurality of sliding rods capable of reciprocating movement, the outer surface of the transmission shaft is rotatably connected to a fixed partition, the fixed partition is connected to the inner wall of the cavity, a plurality of connecting grooves distributed in a circumferential array are provided on the fixed partition, a rotating oscillation plate is provided on the top of the fixed partition, a conveying groove is provided on one side of the top of the rotating oscillation plate, and the rotating oscillation plate drives the conveying groove to rotate and cooperates with the conveying groove to realize eccentric conveying of the hydraulic medium, thereby completing the eccentric oscillation of the hydraulic medium.
[0008] As a further description of the above technical solution:
[0009] The rotating oscillating plate is connected to the outer surface of the transmission shaft, the bottom of the rotating oscillating plate is in contact with the top of the fixed partition plate, and the conveying groove is periodically connected to the connecting groove during the rotation process.
[0010] As a further description of the above technical solution:
[0011] The plurality of sliding rods are distributed in a circular array along the sliding tube, and the interior of the cavity is connected to a plurality of mounting frames distributed in a circular array. The sliding rods are slidably connected to the mounting frames, and one end of the sliding rods away from the sliding tube is connected to an extrusion wheel. A second spring is sleeved on the outer surface of the sliding rod, and both ends of the second spring are respectively connected to one side of the mounting frame and one side of the extrusion wheel.
[0012] As a further description of the above technical solution:
[0013] The outer surface of the transmission shaft is connected to a connecting ring, which is located directly below the fixed partition. The bottom of the connecting ring is connected to a plurality of extrusion blocks distributed in a circular array. The cross-sectional shape of the extrusion block is semicircular. The extrusion block periodically contacts the extrusion wheel during rotation. The sliding tube and the oscillation hammer are both sleeved on the outer surface of the transmission shaft.
[0014] As a further description of the above technical solution:
[0015] The auxiliary component includes a protective shell, which is connected to the outer surface of the rod body, and a plurality of positive and negative screws distributed in a circular array are arranged inside the protective shell. The outer surfaces of the positive and negative screws are threadedly connected to two symmetrically arranged screw seats, one side of the screw seat is hinged with a connecting rod, and the ends of the two connecting rods away from the screw seat are hinged to the same movable plate, and a plurality of auxiliary wheels distributed in a linear array are arranged on the side of the movable plate away from the connecting rod, and one side of the auxiliary wheel is provided with an auxiliary motor for driving.
[0016] As a further description of the above technical solution:
[0017] Both ends of the forward and reverse lead screws are rotatably connected with mounting parts, one side of the mounting parts is connected to the outer peripheral side of the rod body, the forward and reverse lead screws are arranged in mirror symmetry along the center position, and the thread directions on both sides of the forward and reverse lead screws are opposite, and a plurality of movable grooves distributed in a circular array are opened on the outer peripheral side of the protective shell, and the lead screw seat is slidably connected in the movable groove.
[0018] As a further description of the above technical solution:
[0019] A plurality of groups of telescopic rods distributed in a linear array are connected to a side of the moving plate away from the connecting rod, one end of the telescopic rod away from the moving plate is connected to a side of the auxiliary wheel, a first spring is sleeved on an outer surface of the telescopic rod, and two ends of the first spring are respectively connected to one side of the moving plate and one side of the auxiliary wheel.
[0020] As a further description of the above technical solution:
[0021] One end of the forward and reverse screws extends to one side of the mounting member and is connected to a transmission gear, a rotating gear ring is rotatably connected to the outer surface of the rod body, the rotating gear ring is meshed with a plurality of transmission gears, a driving motor is fixedly mounted on the outer periphery of the rod body through a mounting plate, one end of the driving motor output shaft is connected to a driving gear, and one side of the driving gear is meshed with one side of the rotating gear ring.
[0022] As a further description of the above technical solution:
[0023] The adjustment assembly includes a plurality of hydraulic push rods, which are distributed in a circular array along the axis of the rotating table. One end of the hydraulic push rod is hinged to one side of the rotating table through a first mounting seat, and the end of the hydraulic push rod away from the rotating table is hinged to a connecting rod through a second mounting seat. The connecting rod is hinged to one side of the rotating table through a third mounting seat, and the side of the connecting rod away from the rotating table is connected to a direction adjustment plate, and one side of the direction adjustment plate is rotatably connected to the drill bit.
[0024] As a further description of the above technical solution:
[0025] One end of the rod body away from the rotating table is connected with a connecting mechanism, and a bypass valve, a motor assembly and a universal shaft assembly are arranged in sequence from top to bottom in the rod body, and one end of the universal shaft assembly is connected with the transmission shaft.
[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0027] 1. In the present invention, an oscillation component is provided, and the transmission shaft drives the conveying groove to rotate by rotating the oscillation plate, and cooperates with the connecting groove so that the hydraulic medium periodically forms an eccentric vortex during the circulation process, and the eccentric movement of the vortex drives the rod body to oscillate. At the same time, the transmission shaft drives the oscillation hammer to oscillate in the vertical direction through the connecting ring, the extrusion block, the extrusion wheel, the second spring, the sliding rod and the sliding tube. At the same time, when the oscillation hammer oscillates, it can drive the hydraulic medium to form an oscillating flow through the torrent groove to enhance the oscillation effect. The oscillation component can effectively reduce the friction resistance of the drill bit in the formation by generating vibration force, improve the drilling efficiency, and the device can also help separate the rock cuttings and mud between the drill bit and the formation through vibration, so as to avoid the drill bit from being deviated or blocked by the rock formation environment and ensure the smooth progress of the drilling progress.
[0028] 2. In the present invention, by setting an auxiliary component, when drilling is completed, the driving motor drives the auxiliary wheel to gradually contact the borehole wall through the driving gear, rotating gear ring, transmission gear, forward and reverse screws, screw seat, connecting rod and movable plate. After that, the auxiliary motor is started, and the auxiliary motor drives the auxiliary wheel to rotate. The auxiliary wheel assists in driving the rod body to move upward through the friction between the auxiliary wheel and the borehole wall, thereby reducing the pulling force on the rod body when taking the rod, reducing the load on the rod body, and assisting the drill bit to empty through close-range direct action to avoid the drill bit from getting stuck, thereby improving the recovery effect and recovery efficiency of the drill bit. At the same time, the auxiliary wheel cooperates with the telescopic rod and the first spring to perform buffering and absorption when the rod body contacts the borehole wall, thereby reducing damage to the rod body and increasing the service life of the rod body.
[0029] 3. In the present invention, by setting an adjustment component, the hydraulic push rod drives the drill bit to move through the connecting rod and the adjustment plate, so that the distance between multiple drill bits can be adjusted, so that the drill bit expansion spacing can be changed, and the rod body can be used to drill holes of different diameters to meet different construction requirements, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;
[0031] Figure 2 It is a schematic diagram of the three-dimensional structure from another viewing angle of the present invention;
[0032] Figure 3 It is a schematic diagram of a partial three-dimensional split structure of the present invention;
[0033] Figure 4 For the present invention Figure 3 The enlarged structural diagram of part A in the middle;
[0034] Figure 5 It is a schematic diagram of the three-dimensional structure of the oscillating component of the present invention;
[0035] Figure 6 For the present invention Figure 5 The enlarged structural diagram of part B in the middle;
[0036] Figure 7 It is a three-dimensional structural schematic diagram of the auxiliary component of the present invention;
[0037] Figure 8 For the present invention Figure 7 The enlarged structural diagram of the middle C part;
[0038] Fig. 9 It is a schematic diagram of the internal three-dimensional structure of the auxiliary component of the present invention;
[0039] Fig.10 It is a three-dimensional structural schematic diagram of the adjustment assembly of the present invention;
[0040] Fig.11 It is a partially enlarged structural schematic diagram of the auxiliary components of the present invention.
[0041] Legend:
[0042] 1. Connecting mechanism; 2. Rod body; 3. Auxiliary components; 301. Protective shell; 302. Auxiliary wheel; 303. Moving groove; 304. Driving motor; 305. Driving gear; 306. Rotating gear ring; 307. Forward and reverse screw; 308. Screw seat; 309. Connecting rod; 310. Transmission gear; 311. Moving plate; 312. First spring; 313. Telescopic rod; 4. Rotating table; 5. Drill bit; 6. Adjustment component ;601, steering plate; 602, connecting rod; 603, hydraulic push rod; 7, oscillation assembly; 701, mounting frame; 702, fixed partition; 703, connecting ring; 704, extrusion block; 705, extrusion wheel; 706, sliding rod; 707, second spring; 708, rotating oscillation plate; 709, conveying trough; 710, connecting trough; 711, sliding pipe; 712, oscillation hammer; 713, rapids trough; 8, transmission shaft. DETAILED DESCRIPTION
[0043] The following will be combined with the drawings in 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, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0044] See also Figure 1-Figure 11 , the present invention provides a technical solution:
[0045] A pulse screw drill comprises a rod body 2, a cavity is formed inside the rod body 2, an auxiliary component 3 is arranged on the outer peripheral side of the rod body 2, a transmission shaft 8 is connected to the rod body 2 for transmission, an oscillation component 7 is arranged on the outer surface of the transmission shaft 8, one end of the transmission shaft 8 extends to the outside of the rod body 2 and is connected to a rotating table 4, a drill bit 5 is arranged at the bottom of the rotating table 4 through an adjustment component 6, a connecting mechanism 1 is connected to the end of the rod body 2 away from the rotating table 4, a bypass valve, a motor assembly and a universal shaft assembly are arranged in the rod body 2 from top to bottom, and one end of the universal shaft assembly is connected to the transmission shaft 8.
[0046] The oscillation assembly 7 includes an oscillation hammer 712 capable of reciprocating vibration, the outer periphery of the oscillation hammer 712 is provided with a circumferential array of torrent grooves 713, the top of the oscillation hammer 712 is connected to a sliding tube 711, the top of the sliding tube 711 is connected to a plurality of sliding rods 706 capable of reciprocating movement, the outer surface of the transmission shaft 8 is rotatably connected to a fixed partition 702, the fixed partition 702 is connected to the inner wall of the cavity, the fixed partition 702 is provided with a plurality of connecting grooves 710 distributed in a circumferential array, a rotating oscillation plate 708 is provided on the top of the fixed partition 702, a conveying groove 709 is provided on one side of the top of the rotating oscillation plate 708, the rotating oscillation plate 708 drives the conveying groove 709 to rotate and cooperates with the conveying groove 709 to realize eccentric conveying of the hydraulic medium, and completes the eccentric oscillation of the hydraulic medium, the rotating oscillation plate 708 is connected to the outer surface of the transmission shaft 8, the bottom of the rotating oscillation plate 708 is in contact with the top of the fixed partition 702, and the conveying The groove 709 is periodically connected with the connecting groove 710 during the rotation process, and a plurality of sliding rods 706 are distributed in a circular array along the sliding tube 711. A plurality of mounting frames 701 distributed in a circular array are connected inside the cavity, and the sliding rod 706 is slidably connected to the mounting frame 701. An extrusion wheel 705 is connected to the end of the sliding rod 706 away from the sliding tube 711. A second spring 707 is sleeved on the outer surface of the sliding rod 706, and the two ends of the second spring 707 are respectively connected to one side of the mounting frame 701 and one side of the extrusion wheel 705. A connecting ring 703 is connected to the outer surface of the transmission shaft 8. The connecting ring 703 is located directly below the fixed partition 702. A plurality of extrusion blocks 704 distributed in a circular array are connected to the bottom of the connecting ring 703. The cross-sectional shape of the extrusion block 704 is semicircular. The extrusion block 704 periodically contacts the extrusion wheel 705 during the rotation process. The sliding tube 711 and the oscillation hammer 712 are both sleeved on the outer surface of the transmission shaft 8.
[0047] The specific implementation method is as follows: by setting an oscillation component 7, the transmission shaft 8 drives the conveying groove 709 to rotate by rotating the oscillation plate 708, and cooperates with the connecting groove 710 to allow the hydraulic medium to periodically form eccentric vortices during the circulation process, and the eccentric movement of the vortex drives the rod body 2 to oscillate. At the same time, the transmission shaft 8 drives the oscillation hammer 712 to oscillate in the vertical direction through the connecting ring 703, the extrusion block 704, the extrusion wheel 705, the second spring 707, the sliding rod 706 and the sliding tube 711. At the same time, when the oscillation hammer 712 oscillates, it can drive the hydraulic medium to form an oscillating flow through the torrent groove 713 to enhance the oscillation effect. The oscillation component 7 can effectively reduce the friction resistance of the drill bit 5 in the formation by generating vibration force, thereby improving the drilling efficiency.
[0048] The auxiliary component 3 includes a protective shell 301, which is connected to the outer surface of the rod body 2. A plurality of positive and negative lead screws 307 distributed in a circular array are arranged in the protective shell 301. The outer surfaces of the positive and negative lead screws 307 are threadedly connected to two symmetrically arranged lead screw seats 308. A connecting rod 309 is hinged on one side of the lead screw seat 308. The ends of the two connecting rods 309 away from the lead screw seat 308 are hinged to the same movable plate 311. A plurality of auxiliary wheels 302 distributed in a linear array are arranged on the side of the movable plate 311 away from the connecting rod 309. An auxiliary motor for driving is arranged on one side of the auxiliary wheel 302. Both ends of the positive and negative lead screws 307 are rotatably connected to mounting parts, one side of the mounting part is connected to the outer peripheral side of the rod body 2, the positive and negative lead screws 307 are mirror-symmetrically arranged along the center position, and the threads on both sides of the positive and negative lead screws 307 are in opposite directions. A plurality of The movable groove 303 is distributed, and the screw seat 308 is slidably connected in the movable groove 303. A plurality of groups of telescopic rods 313 distributed in a linear array are connected to the side of the movable plate 311 away from the connecting rod 309. The end of the telescopic rod 313 away from the movable plate 311 is connected to the side of the auxiliary wheel 302. A first spring 312 is sleeved on the outer surface of the telescopic rod 313. The two ends of the first spring 312 are respectively connected to one side of the movable plate 311 and one side of the auxiliary wheel 302. One end of the forward and reverse screws 307 extends to one side of the mounting member and is connected to a transmission gear 310. The outer surface of the rod body 2 is rotatably connected to a rotating gear ring 306, and the rotating gear ring 306 is meshed with multiple transmission gears 310. A driving motor 304 is fixedly installed on the outer periphery of the rod body 2 through a mounting plate. One end of the output shaft of the driving motor 304 is connected to a driving gear 305, and one side of the driving gear 305 is meshed with one side of the rotating gear ring 306.
[0049] The specific implementation method is as follows: by setting an auxiliary component 3, when drilling is completed, the driving motor 304 drives the auxiliary wheel 302 to gradually contact the borehole wall through the driving gear 305, the rotating gear ring 306, the transmission gear 310, the forward and reverse screws 307, the screw seat 308, the connecting rod 309 and the movable plate 311. After that, the auxiliary motor is started, and the auxiliary electrode drives the auxiliary wheel 302 to rotate. The auxiliary wheel 302 assists in driving the rod body 2 to move upward through the friction between the auxiliary wheel 302 and the borehole wall, thereby reducing the pulling force on the rod body 2 when taking the rod, reducing the load on the rod body 2, and assisting the drill bit 5 to be emptied through close-range direct action, thereby avoiding the situation where the drill bit 5 is stuck, and improving the recovery effect and recovery efficiency of the drill bit 5. At the same time, the auxiliary wheel 302 cooperates with the telescopic rod 313 and the first spring 312 to perform buffering and absorption when the rod body 2 contacts the borehole wall.
[0050] The adjustment assembly 6 includes a plurality of hydraulic push rods 603, and the plurality of hydraulic push rods 603 are distributed in a circular array along the axis of the rotating table 4. One end of the hydraulic push rod 603 is hinged to one side of the rotating table 4 through a first mounting seat, and one end of the hydraulic push rod 603 away from the rotating table 4 is hinged to a connecting rod 602 through a second mounting seat. The connecting rod 602 is hinged to one side of the rotating table 4 through a third mounting seat, and the side of the connecting rod 602 away from the rotating table 4 is connected to a direction adjustment plate 601, and one side of the direction adjustment plate 601 is rotatably connected to the drill bit 5.
[0051] The specific implementation method is as follows: by setting an adjustment component 6, the hydraulic push rod 603 drives the drill bit 5 to move through the connecting rod 602 and the adjustment plate 601, so that the distance between multiple drill bits 5 can be adjusted, so that the outward expansion spacing of the drill bits 5 changes, and the rod body 2 can be used to drill holes of different diameters to meet different construction requirements.
[0052] Working principle: When in use, the staff installs and connects with the external equipment through the connecting mechanism 1 and starts the drilling operation. Before this, the staff adjusts the outward expansion distance of the drill bit 5 according to the actual construction requirements. The staff controls the hydraulic push rod 603 to drive the connecting rod 602 to move, and the connecting rod 602 drives the adjustment plate 601 to deflect around the axis of the third mounting seat, so that the adjustment plate 601 drives the drill bit 5 to move, thereby adjusting the distance between multiple drill bits 5, so that the outward expansion spacing of the drill bit 5 changes.
[0053] During the drilling process, the transmission shaft 8 drives the rotating oscillation plate 708 to rotate, and the rotating oscillation plate 708 drives the conveying groove 709 to rotate, and the conveying groove 709 is periodically connected with the connecting groove 710 during the rotation, so that the hydraulic medium can circulate periodically. Since the conveying groove 709 on the rotating oscillation plate 708 is eccentrically arranged, the hydraulic medium forms an eccentric vortex periodically during the circulation process, and the eccentric movement of the vortex drives the rod body 2 to oscillate. At the same time, the transmission shaft 8 drives the connecting ring 703 to rotate, and the connecting ring 703 drives the multiple extrusion blocks 704 to rotate, and the extrusion Block 704 periodically drives the extrusion wheel 705 to move, and the second spring 707 can drive the extrusion wheel 705 to perform a reset movement, so that the extrusion wheel 705 performs a reciprocating motion, and the extrusion wheel 705 drives the sliding rod 706 to perform a reciprocating motion, and the sliding rod 706 drives the sliding tube 711 to reciprocate in the vertical direction, and the sliding tube 711 drives the oscillation hammer 712 to oscillate in the vertical direction. At the same time, while the oscillation hammer 712 is oscillating, it can drive the hydraulic medium to form an oscillating flow through the torrent groove 713, and drive the rod body 2 to oscillate, so as to avoid the influence of the external environment on the rod body 2 by the orderly oscillation of the rod body 2 itself.
[0054] During the drilling process, the oscillation assembly 7 drives the rod body 2 to vibrate, and the auxiliary wheel 302 cooperates with the telescopic rod 313 and the first spring 312 to perform buffering and absorption when the rod body 2 contacts the borehole wall, thereby reducing damage to the rod body 2 and increasing the service life of the rod body 2. At the same time, when the drilling is completed, the driving motor 304 drives the driving gear 305 to rotate, the driving gear 305 drives the rotating gear ring 306 to rotate, the rotating gear ring 306 drives the transmission gear 310 to rotate, and the transmission gear 310 drives the forward and reverse screws 307 to rotate The forward and reverse lead screws 307 drive the two lead screw seats 308 to move toward each other, so that the lead screw seat 308 drives the connecting rod 309 to move, and the connecting rod 309 drives the movable plate 311 to move outward, and makes the auxiliary wheel 302 gradually contact the borehole wall, and in this process, the first spring 312 gradually shrinks to the limit, and then the auxiliary motor starts, and the auxiliary motor drives the auxiliary wheel 302 to rotate, and the auxiliary wheel 302 assists in driving the rod body 2 to move upward through the friction between the auxiliary wheel 302 and the borehole wall, thereby reducing the pulling force on the rod body 2 when taking the rod.
[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A pulse screw drill, comprising a rod body (2), wherein a cavity is provided inside the rod body (2), characterized in that: An auxiliary component (3) is arranged on the outer peripheral side of the rod body (2); a transmission shaft (8) is connected to the inside of the rod body (2); an oscillating component (7) is arranged on the outer surface of the transmission shaft (8); one end of the transmission shaft (8) extends to the outside of the rod body (2) and is connected to a rotating platform (4); a drill bit (5) is arranged at the bottom of the rotating platform (4) via an adjustment component (6); The oscillation component (7) comprises an oscillation hammer (712) capable of reciprocating vibration, the outer periphery of the oscillation hammer (712) is provided with torrent grooves (713) distributed in a circumferential array, the top of the oscillation hammer (712) is connected with a sliding tube (711), the top of the sliding tube (711) is connected with a plurality of sliding rods (706) capable of reciprocating motion, the outer surface of the transmission shaft (8) is rotatably connected with a fixed partition (702), the fixed partition (702) is connected to the inner wall of the cavity, the fixed partition (702) is provided with a plurality of connecting grooves (710) distributed in a circumferential array, the top of the fixed partition (702) is provided with a rotating oscillation plate (708), the top side of the rotating oscillation plate (708) is provided with a conveying groove (709), the rotating oscillation plate (708) drives the conveying groove (709) to rotate and cooperate with the conveying groove (709) to realize eccentric conveying of the hydraulic medium, thereby completing the eccentric oscillation of the hydraulic medium.
2. The pulse screw drill according to claim 1, characterized in that: The rotating oscillating plate (708) is connected to the outer surface of the transmission shaft (8), the bottom of the rotating oscillating plate (708) is in contact with the top of the fixed partition (702), and the conveying groove (709) is periodically connected to the connecting groove (710) during the rotation process.
3. The pulse screw drill according to claim 1, characterized in that: The plurality of sliding rods (706) are distributed in a circular array along the sliding tube (711); the interior of the cavity is connected to a plurality of mounting frames (701) distributed in a circular array; the sliding rods (706) are slidably connected to the mounting frames (701); one end of the sliding rod (706) away from the sliding tube (711) is connected to an extrusion wheel (705); a second spring (707) is sleeved on the outer surface of the sliding rod (706); two ends of the second spring (707) are respectively connected to one side of the mounting frame (701) and one side of the extrusion wheel (705).
4. The pulse screw drill according to claim 3, characterized in that: The outer surface of the transmission shaft (8) is connected to a connecting ring (703), and the connecting ring (703) is located directly below the fixed partition (702). The bottom of the connecting ring (703) is connected to a plurality of extrusion blocks (704) distributed in a circular array, and the cross-sectional shape of the extrusion blocks (704) is semicircular. During the rotation process, the extrusion blocks (704) periodically contact the extrusion wheels (705). The sliding tube (711) and the oscillating hammer (712) are both sleeved on the outer surface of the transmission shaft (8).
5. The pulse screw drill according to claim 1, characterized in that: The auxiliary component (3) comprises a protective shell (301), wherein the protective shell (301) is connected to the outer surface of the rod body (2), wherein a plurality of positive and negative lead screws (307) distributed in a circular array are arranged in the protective shell (301), wherein the outer surfaces of the positive and negative lead screws (307) are threadedly connected to two symmetrically arranged lead screw seats (308), wherein one side of the lead screw seat (308) is hinged with a connecting rod (309), and one end of the two connecting rods (309) away from the lead screw seat (308) is hinged with a same movable plate (311), and a plurality of auxiliary wheels (302) distributed in a linear array are arranged on a side of the movable plate (311) away from the connecting rod (309), and an auxiliary motor for driving is arranged on one side of the auxiliary wheel (302).
6. The pulse screw drill according to claim 5, characterized in that: Both ends of the forward and reverse lead screws (307) are rotatably connected to mounting parts, one side of the mounting parts is connected to the outer peripheral side of the rod body (2), the forward and reverse lead screws (307) are arranged in a mirror-symmetrical manner along the center position, and the thread directions on both sides of the forward and reverse lead screws (307) are opposite, and the outer peripheral side of the protective shell (301) is provided with a plurality of movable grooves (303) distributed in a circular array, and the lead screw seat (308) is slidably connected in the movable groove (303).
7. The pulse screw drill according to claim 5, characterized in that: A side of the movable plate (311) away from the connecting rod (309) is connected to a plurality of groups of telescopic rods (313) distributed in a linear array, one end of the telescopic rod (313) away from the movable plate (311) is connected to one side of the auxiliary wheel (302), and a first spring (312) is sleeved on the outer surface of the telescopic rod (313), and two ends of the first spring (312) are respectively connected to one side of the movable plate (311) and one side of the auxiliary wheel (302).
8. The pulse screw drill according to claim 5, characterized in that: One end of the forward and reverse lead screw (307) extends to one side of the mounting member and is connected to a transmission gear (310); the outer surface of the rod body (2) is rotatably connected to a rotating gear ring (306); the rotating gear ring (306) is meshingly connected to a plurality of transmission gears (310); a driving motor (304) is fixedly mounted on the outer periphery of the rod body (2) via a mounting plate; one end of the output shaft of the driving motor (304) is connected to a driving gear (305); one side of the driving gear (305) is meshingly connected to one side of the rotating gear ring (306).
9. The pulse screw drill according to claim 1, characterized in that: The adjustment assembly (6) comprises a plurality of hydraulic push rods (603), and the plurality of hydraulic push rods (603) are distributed in a circular array along the axis of the rotating table (4); one end of the hydraulic push rod (603) is hinged to one side of the rotating table (4) via a first mounting seat; one end of the hydraulic push rod (603) away from the rotating table (4) is hinged to a connecting rod (602) via a second mounting seat; the connecting rod (602) is hinged to one side of the rotating table (4) via a third mounting seat; the side of the connecting rod (602) away from the rotating table (4) is connected to a direction adjustment plate (601); and one side of the direction adjustment plate (601) is rotatably connected to the drill bit (5).
10. The pulse screw drill according to claim 1, characterized in that: One end of the rod body (2) away from the rotating platform (4) is connected to a connecting mechanism (1), and a bypass valve, a motor assembly and a universal shaft assembly are arranged in sequence from top to bottom in the rod body (2), and one end of the universal shaft assembly is connected to a transmission shaft (8).
Citation Information
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