A flushing device for preventing mud from clogging drill bits

Abstract

This utility model relates to the field of drill bit flushing technology and discloses a flushing device for preventing mud buildup on drill bits. The device includes a water tank, a support frame fixedly connected to the outer wall of the water tank, a motor fixedly connected to the top of the support frame, a fixed rod fixedly connected to the output end of the motor, and a housing fixedly connected to the bottom of the water tank. An annular groove is formed on the inner wall of the housing. A sliding column is fixedly connected to the bottom of the fixed rod, and a slider is fixedly connected to the outer wall of the sliding column. The slider is slidably connected inside the annular groove. In this utility model, the motor drives the sliding column to rotate, and the slider on the inner wall of the sliding column rotates synchronously within the annular groove inside the housing. This not only achieves rotation but also allows for simultaneous up-and-down adjustment, enabling omnidirectional flushing of the drill bit. The flushing process is more uniform, eliminating the need for manual angle adjustment, thus reducing labor costs and effectively improving flushing efficiency and quality.

Description

Technical Field

[0001] This utility model relates to the field of drill bit flushing technology, and in particular to a flushing device for preventing mud from covering drill bits. Background Technology

[0002] In underground drilling operations such as oil and gas drilling and geological exploration, a large amount of rock cuttings are generated when the drill bit breaks rocks. These rock cuttings mix with drilling fluid and easily form a "mud bag" phenomenon on the surface of the drill bit and around the cutting teeth, which leads to a decrease in the cutting efficiency of the drill bit, increased wear, and even stuck drill bit, seriously affecting drilling efficiency and safety. Therefore, the production of anti-mud bag drill bit flushing devices has been promoted. Its structure typically includes flushing nozzles and flow channels evenly distributed around the drill bit body. The flushing nozzles are mostly made of wear-resistant materials. Their main function is to transport water to the flushing nozzles through the flow channels, forming a high-speed jet to directly flush the drill bit surface and the vicinity of the cutting teeth, promptly removing attached rock cuttings and mud cake, and disrupting the conditions for mud cake formation, thereby ensuring the drill bit continues to work efficiently and reducing the drilling accident rate. The existing device lacks a fixed structure, making it difficult to adjust the angle for all-around flushing, requiring manual intervention. Furthermore, the filter plates in the water circulation pipe are difficult to disassemble for replacement and cleaning. Therefore, a flushing device to prevent mud from encasing the drill bit is proposed to solve the above problems. Summary of the Invention

[0003] To overcome the above shortcomings, this utility model provides a flushing device for preventing mud from clogging drill bits, aiming to improve the problems in the prior art where the flushing angle is difficult to adjust, it is difficult to flush in all directions, and the filter plate is difficult to disassemble, replace, and clean.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a flushing device for preventing mud from clogging drill bits, comprising a water tank, a support frame fixedly connected to the outer wall of the water tank, a motor fixedly connected to the top of the support frame, a fixed rod fixedly connected to the output end of the motor, a housing fixedly connected to the bottom of the water tank, an annular groove formed on the inner wall of the housing, a sliding column fixedly connected to the bottom of the fixed rod, a slider fixedly connected to the outer wall of the sliding column, the slider slidably connected inside the annular groove, a water pump fixedly connected to the outer wall of the water tank, an inlet pipe fixedly connected to the input end of the water pump, a three-way valve fixedly connected to the output end of the water pump, a water delivery pipe one fixedly connected to one output end of the three-way valve, a water delivery pipe two fixedly connected to the other output end of the three-way valve, and nozzles fixedly connected to the ends of the water delivery pipe one and the water delivery pipe two away from the three-way valve; As a further description of the above technical solution: A filter plate is provided on the inner wall of the water inlet pipe, a block is fixedly connected to the inner wall of the water tank, a pin is slidably connected inside the block, a spring is sleeved on the outer wall of the pin, a locking block is fixedly connected to the bottom of the pin, the locking block is slidably connected to the inner wall of the water inlet pipe, and the locking block is locked onto the outer wall of the filter plate. As a further description of the above technical solution: A fixing block is fixedly connected to the top of the water inlet pipe, and the pin is slidably connected to the inner wall of the fixing block; As a further description of the above technical solution: One end of the spring is fixedly connected to the bottom of the stop block, and the other end of the spring is fixedly connected to the top of the fixed block; As a further description of the above technical solution: Both the first water supply pipe and the second water supply pipe penetrate the support frame; As a further description of the above technical solution: A drill bit is threadedly connected to the bottom of the sliding column; As a further description of the above technical solution: The pin is slidably connected inside the water inlet pipe; As a further description of the above technical solution: Both nozzles are installed on the left and right sides of the drill bit.

[0005] This utility model has the following beneficial effects: 1. In this utility model, the sliding column is driven to rotate by a motor, and the slider on the inner wall of the sliding column will rotate synchronously in the annular groove inside the outer shell. It can not only realize the rotation function, but also complete the up and down adjustment action at the same time. The drill bit can achieve all-round flushing, and the flushing process is more uniform. There is no need for manual intervention to adjust the angle, which reduces labor costs and effectively improves the efficiency and quality of flushing.

[0006] 2. In this utility model, under the synergistic action of the spring and the pin, the pin can easily achieve the disassembly and assembly effect by means of the force generated by the spring on the stop block and the fixing block. Since the filter plate is prone to blockage and damage due to excessive mud during use, this structure can be used to quickly replace and clean the filter plate, and the operation is very convenient. Attached Figure Description

[0007] Figure 1 This is a first-view perspective perspective view of a flushing device for preventing mud from accumulating on drill bits, as proposed in this utility model. Figure 2 This is a second-view perspective perspective view of a flushing device for preventing mud from accumulating on drill bits, as proposed in this utility model. Figure 3 This is a schematic diagram of the sliding column of a flushing device for preventing mud from clogging drill bits, as proposed in this utility model. Figure 4 This is a schematic diagram of the pin structure of a flushing device for preventing mud from clogging drill bits, as proposed in this utility model.

[0008] Legend: 1. Water tank; 2. Inlet pipe; 3. Water pump; 4. Three-way valve; 5. Clamping block; 6. Water supply pipe one; 7. Nozzle; 8. Support frame; 9. Motor; 10. Housing; 11. Water supply pipe two; 12. Drill bit; 13. Filter plate; 14. Pin; 15. Fixing rod; 16. Annular groove; 17. Sliding column; 18. Sliding block; 19. Spring; 20. Fixing block; 21. Stop block. Detailed Implementation

[0009] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0010] Reference Figures 1-3 This utility model provides an embodiment of a flushing device for preventing mud buildup on drill bits, comprising a water tank 1, a support frame 8 fixedly connected to the outer wall of the water tank 1, a motor 9 fixedly connected to the top of the support frame 8, a fixed rod 15 fixedly connected to the output end of the motor 9, a housing 10 fixedly connected to the bottom of the water tank 1, an annular groove 16 formed on the inner wall of the housing 10, a sliding column 17 fixedly connected to the bottom of the fixed rod 15, a slider 18 fixedly connected to the outer wall of the sliding column 17, and the slider 18 slidably connected inside the annular groove 16. The motor 9 drives the fixed rod 15 to rotate the sliding column 17, and the slider 18 on the sliding column 17 also slides along the annular groove 16 inside the housing 10, enabling not only rotation but also up-and-down movement, thus helping the drill bit 12 to move in all directions. The rinsing process ensures a more thorough and clean wash, improving efficiency and reducing labor costs. A water pump 3 is fixedly connected to the outer wall of the water tank 1. An inlet pipe 2 is fixedly connected to the input end of the water pump 3, and a three-way valve 4 is fixedly connected to the output end of the water pump 3. One output end of the three-way valve 4 is fixedly connected to a water delivery pipe 6, and the other output end is fixedly connected to a water delivery pipe 11. Spray nozzles 7 are fixedly connected to the ends of the water delivery pipes 6 and 11 furthest from the three-way valve 4. The water pump 3 draws sewage from the water tank 1 into the water tank 1 through the inlet pipe 2, then delivers it to the water delivery pipes 6 and 11 through the three-way valve 4, and finally sprays it out through the spray nozzles 7 to repeatedly rinse the drill bit 12. This process enables the recycling of water resources, making it green, environmentally friendly, and energy-saving.

[0011] Reference Figure 2 and Figure 4A filter plate 13 is installed on the inner wall of the water inlet pipe 2. A stop block 21 is fixedly connected to the inner wall of the water tank 1. A pin 14 is slidably connected inside the stop block 21. A spring 19 is sleeved on the outer wall of the pin 14. A locking block 5 is fixedly connected to the bottom of the pin 14. The locking block 5 is slidably connected to the inner wall of the water inlet pipe 2 and is locked onto the outer wall of the filter plate 13. Pulling the pin 14 causes the spring 19 to exert force on the stop block 21 and the fixed block 20, which can unlock the locking block 5 from the filter plate 13. Conversely, it can be installed. This structure can effectively and quickly replace the filter plate 13 and facilitate cleaning the filter plate 13, preventing it from causing mud blockage and failure of the water circulation function.

[0012] Reference Figure 2 and Figure 4 The top of the water inlet pipe 2 is fixedly connected to a fixing block 20, and the pin 14 is slidably connected to the inner wall of the fixing block 20 for easy disassembly and installation.

[0013] Reference Figure 4 One end of the spring 19 is fixedly connected to the bottom of the stop block 21, and the other end of the spring 19 is fixedly connected to the top of the fixing block 20. The spring 19, the stop block 21 and the fixing block 20 cooperate with each other to generate force and achieve the disassembly and assembly effect.

[0014] Reference Figure 1 Both water supply pipe 6 and water supply pipe 11 pass through the support frame 8, enhancing the stability of the water pipes.

[0015] Reference Figure 1 The bottom of the sliding column 17 is threaded with a drill bit 12, which facilitates installation and makes it more secure, preventing it from falling off.

[0016] Reference Figure 2 The pin 14 is slidably connected inside the water inlet pipe 2 for easy disassembly and assembly.

[0017] Reference Figure 1 and Figure 2 Both nozzles 7 are installed on the left and right sides of the drill bit 12, which can accurately rinse the required area and improve the accuracy and quality of cleaning.

[0018] Working principle: First, the drill bit 12 to be flushed is fixed on the slide column 17. The motor 9 drives the fixed rod 15 to rotate, thereby driving the slider 18 on the slide column 17 to slide and connect in the annular groove 16 inside the outer shell 10. Since the annular groove 16 is irregularly shaped, the slide column 17 can not only drive the drill bit 12 to rotate, but also achieve the effect of up and down movement, realizing all-round flushing. The flushed sewage flows into the water tank 1. The water pump 3 filters the sewage through the filter plate 13 to remove mud through the water inlet pipe 2. The filtered water is then output through the three-way valve 4 to the water supply pipe 6 and the water supply pipe 11. The water is then sprayed out through the nozzle 7 to flush the drill bit 12, realizing the recycling of water resources. If the filter plate 13 is blocked or damaged, the pin 14 can be pulled. The force generated between the spring 19, the stop block 21 and the fixed block 20 can be used to separate the locking block 5 from the filter plate 13 to unlock it. After cleaning or replacement, the pin 14 can be pushed. The installation is completed by using the reaction force generated between the spring 19, the stop block 21, and the fixing block 20 to lock the locking block 5 and the filter plate 13.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flushing device for a balling-up resistant drill bit, comprising a water tank (1), characterized in that: A support frame (8) is fixedly connected to the outer wall of the pool (1). A motor (9) is fixedly connected to the top of the support frame (8). A fixed rod (15) is fixedly connected to the output end of the motor (9). A shell (10) is fixedly connected to the bottom of the pool (1). An annular groove (16) is provided on the inner wall of the shell (10). A sliding column (17) is fixedly connected to the bottom of the fixed rod (15). A slider (18) is fixedly connected to the outer wall of the sliding column (17). The slider (18) is slidably connected to the annular groove (16). 16) Inside, a water pump (3) is fixedly connected to the outer wall of the pool (1). A water inlet pipe (2) is fixedly connected to the input end of the water pump (3). A three-way valve (4) is fixedly connected to the output end of the water pump (3). A water delivery pipe (6) is fixedly connected to one of the output ends of the three-way valve (4). A water delivery pipe (11) is fixedly connected to the other output end of the three-way valve (4). A nozzle (7) is fixedly connected to the end of the water delivery pipe (6) and the water delivery pipe (11) away from the three-way valve (4).

2. The flushing device of a balling up resistant drill bit according to claim 1, characterized in that: The inner wall of the water inlet pipe (2) is provided with a filter plate (13), the inner wall of the water tank (1) is fixedly connected with a baffle (21), the inside of the baffle (21) is slidably connected with a pin (14), the outer wall of the pin (14) is sleeved with a spring (19), the bottom of the pin (14) is fixedly connected with a locking block (5), the locking block (5) is slidably connected to the inner wall of the water inlet pipe (2), and the locking block (5) is locked onto the outer wall of the filter plate (13).

3. The flushing device of a balling up resistant drill bit according to claim 2, characterized in that: The top of the water inlet pipe (2) is fixedly connected to a fixing block (20), and the pin (14) is slidably connected to the inner wall of the fixing block (20).

4. The flushing device of a balling up resistant drill bit according to claim 2, wherein: One end of the spring (19) is fixedly connected to the bottom of the stop block (21), and the other end of the spring (19) is fixedly connected to the top of the fixing block (20).

5. The flushing device of a balling up resistant drill bit according to claim 1, wherein: Both the first water supply pipe (6) and the second water supply pipe (11) pass through the support frame (8).

6. The flushing device of a balling up resistant drill bit according to claim 1, wherein: The bottom of the slide (17) is threaded with a drill bit (12).

7. The device of claim 2 wherein: The pin (14) is slidably connected inside the water inlet pipe (2).

8. The flushing device of a balling up resistant drill bit according to claim 6, wherein: Both nozzles (7) are installed on the left and right sides of the drill bit (12).

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