High-strength composite drill bit for drilling engineering

Abstract

The invention discloses a high-strength composite drill bit for drilling engineering, and relates to the technical field of drill bits for drilling engineering, the high-strength composite drill bit comprises a drill bit main body, cutter wings are integrally cast on two sides of the outer surface of the top of the drill bit main body, and composite sheet mechanisms are fixedly mounted on two sides of the outer surface of the top of the drill bit main body. The drill bit body is of a firm structure through the integrally-cast blades, the composite sheet mechanisms are fixed to the two sides of the outer surface of the top of the drill bit body, efficient cutting capacity is provided, the cooling mechanism is arranged in the top of the drill bit body, the service life of the drill bit is prolonged through cooling circulation, and the small sleeve and the large sleeve are fixed to the side faces and the top of the blades correspondingly. The composite sheet mechanism is used for protecting the outer layer structure of the drill bit, improving the overall rigidity of the drill bit and relieving abrasion, the drill bit efficiently works under various complex geological conditions, the composite sheet mechanism is fixed to a blade or a cutting arm through high-temperature welding, combination of a drill bit material and a composite sheet material is crucial, and it is guaranteed that the hardness cannot be reduced after the high temperature is achieved through the convex face welding technology.

Description

Technical Field

[0001] The invention relates to the technical field of drill bits for drilling engineering, and in particular to a high-strength composite drill bit for drilling engineering. Background Art

[0002] High-strength composite drill bits are high-performance drilling tools specially designed to cope with various complex and demanding drilling tasks. They are widely used in drilling wells to extract natural resources such as oil and natural gas from the strata. These drill bits must have extremely high wear resistance and hardness to cope with underground hard rock formations and high-pressure environments. Because of their high durability, high efficiency and wide applicability, this type of drill bit has been widely used in the fields of oil and gas, geothermal resources, mineral exploration, and construction engineering.

[0003] Traditional drilling tools are easily worn and damaged in hard rock formations or complex geological conditions, which affects drilling efficiency. When drilling in complex geological conditions, the drill bit needs to have extremely high wear resistance and durability;

[0004] A high-strength composite drill bit for drilling engineering is proposed, which ensures efficient operation under complex conditions through fixed composite piece design and optimized welding process. Summary of the invention

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A high-strength composite drill bit for drilling engineering comprises a drill bit body, blades are integrally cast on both sides of the top outer surface of the drill bit body, composite sheet mechanisms are fixedly installed on both sides of the top outer surface of the drill bit body, a base mechanism is fixedly installed on the bottom of the drill bit body, a threaded mounting shaft is fixedly installed on the bottom of the base mechanism, a cooling mechanism is provided in the top of the drill bit body, the base mechanism comprises a base; the cooling mechanism comprises a coolant pump; the composite sheet mechanism comprises a driving motor.

[0007] A further improvement of the technical solution of the present invention is that: card slots are provided on the outer surfaces of both sides of the base, and latch slots are provided on both sides of the base.

[0008] A further improvement of the technical solution of the present invention is that the threaded mounting shaft is fixedly mounted on the bottom of the base, and the drill bit body is fixedly mounted on the top of the base.

[0009] A further improvement of the technical solution of the present invention is that: the top output of the coolant pump is connected with a flow channel, and the top of the flow channel is connected with a hole.

[0010] A further improvement of the technical solution of the present invention is that the hole is located on the top outer surface of the drill bit body.

[0011] A further improvement of the technical solution of the present invention is that the coolant pump is connected to an external coolant source.

[0012] A further improvement of the technical solution of the present invention is that the drive motor is drivingly connected to a torque gear set, the torque gear set is meshingly connected to a transmission shaft, the transmission shaft is drivingly connected to a crushing disk, and a composite sheet is fixedly installed on the outer surface of the crushing disk.

[0013] A further improvement of the technical solution of the present invention is that: the composite sheet mechanism is provided with two groups, the fixed composite sheet mechanism contacts the rock surface to perform cutting operations, and the blade and the composite sheet mechanism jointly undertake the work of cutting and crushing the rock.

[0014] A further improvement of the technical solution of the present invention is that a small sleeve is fixedly installed on the side of the blade wing, and a large sleeve is fixedly installed on the top of the blade wing.

[0015] Due to the adoption of the above technical solution, the present invention has the following technical advances compared with the prior art:

[0016] 1. The present invention provides a high-strength composite drill bit for drilling engineering. The drill bit body realizes a solid structure through an integrally cast blade. The composite sheet mechanism is fixed on both sides of the top outer surface of the drill bit body to provide efficient cutting ability. The cooling mechanism is opened inside the top of the drill bit body. The cooling cycle prolongs the life of the drill bit. The small sleeve and the large sleeve are respectively fixed on the side and top of the blade to protect the outer structure of the drill bit, improve the overall rigidity of the drill bit, slow down wear, and enable the drill bit to work efficiently under various complex geological conditions.

[0017] 2. The present invention provides a high-strength composite drill bit for drilling engineering. The high-strength composite drill bit for drilling engineering is installed on a drilling rig through a threaded mounting shaft. During the drilling process, the drill bit is rotated by the power of the drilling rig. When the high-strength composite drill bit for drilling engineering needs to be disassembled, a special tool is used to insert the pin slot and clamp the position of the slot at the same time. The high-strength composite drill bit for drilling engineering is rotated to be removed from the drilling rig. The disassembly is convenient and there is a dedicated slot for docking the disassembly tool.

[0018] 3. The present invention provides a high-strength composite drill bit for drilling engineering. The coolant pump transports the coolant to the top of the drill bit body through the flow channel. The coolant flows out through the hole to directly cool the cutting surface of the drill bit, effectively reducing the high temperature generated when the drill bit is working. The coolant pump is connected to an external coolant source to ensure a continuous supply of coolant. It can also be used to remove drill cuttings and effectively prevent the drill bit from overheating.

[0019] 4. The present invention provides a high-strength composite drill bit for drilling engineering. The driving motor transmits power to the transmission shaft through the torque gear set to rotate the crushing disk. The composite sheet fixedly installed on the outer surface of the crushing disk contacts the rock surface, and efficient cutting and crushing operations are achieved through rotation. The two sets of composite sheet mechanisms enhance the cutting ability and work efficiency of the drill bit. The blade and the composite sheet mechanism work together to ensure efficient drilling and rock crushing under various complex geological conditions, thereby improving the stability and efficiency of the drilling operation. The composite sheet mechanism is fixed to the blade or cutting arm by high-temperature welding. The combination of the drill bit material and the composite sheet material is crucial. The welding process using convex surface welding technology is used to ensure that the hardness does not decrease after high temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of a high-strength composite drill bit for drilling engineering of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the bottom view of the high-strength composite drill bit for drilling engineering of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the cooling mechanism of the present invention;

[0023] Figure 4 It is a schematic diagram of the local structure of the high-strength composite drill bit for drilling engineering of the present invention;

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the composite sheet mechanism of the present invention.

[0025] In the figure: 1. drill body; 2. cooling mechanism; 3. large sleeve; 4. blade; 5. small sleeve; 6. threaded mounting shaft; 7. base mechanism; 8. composite plate mechanism; 71. base; 72. slot; 73. latch slot; 21. channel; 22. flow channel; 23. coolant pump; 81. composite plate; 82. transmission shaft; 83. crushing disc; 84. drive motor; 85. torque gear set. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with embodiments:

[0027] Example 1

[0028] like Figure 1-5As shown, the present invention provides a high-strength composite drill bit for drilling engineering, including a drill bit body 1, blade wings 4 are integrally cast on both sides of the top outer surface of the drill bit body 1, composite sheet mechanisms 8 are also fixedly installed on both sides of the top outer surface of the drill bit body 1, a base mechanism 7 is fixedly installed at the bottom of the drill bit body 1, a threaded mounting shaft 6 is fixedly installed at the bottom of the base mechanism 7, a cooling mechanism 2 is opened in the top of the drill bit body 1, a small sleeve 5 is fixedly installed on the side of the blade wing 4, and a large sleeve 3 is fixedly installed on the top of the blade wing 4.

[0029] In this embodiment, the drill bit body 1 achieves a solid structure through the integrally cast blade wing 4, the composite sheet mechanism 8 is fixed on both sides of the top outer surface of the drill bit body 1 to provide efficient cutting capability, the cooling mechanism 2 is opened inside the top of the drill bit body 1, and the cooling cycle extends the life of the drill bit, the small sleeve 5 and the large sleeve 3 are respectively fixed on the side and top of the blade wing 4 to protect the outer structure of the drill bit, improve the overall rigidity of the drill bit, reduce wear, and enable the drill bit to work efficiently under various complex geological conditions.

[0030] Example 2

[0031] like Figure 2 As shown, based on Example 1, the present invention provides a technical solution: preferably, the base mechanism 7 includes a base 71, the outer surfaces of both sides of the base 71 are provided with card grooves 72, both sides of the base 71 are provided with pin grooves 73, the threaded mounting shaft 6 is fixedly installed at the bottom of the base 71, and the drill body 1 is fixedly installed at the top of the base 71.

[0032] In this embodiment, the high-strength composite drill bit for drilling engineering is installed on the drilling rig through the threaded mounting shaft 6. During the drilling process, the drill bit is rotated by the power of the drilling rig. When the high-strength composite drill bit for drilling engineering needs to be disassembled, the pin slot 73 is inserted through a special tool, and the position of the slot 72 is clamped at the same time, and the high-strength composite drill bit for drilling engineering is rotated to be removed from the drilling rig. The disassembly is convenient, and there is a dedicated slot for docking the disassembly tool.

[0033] Example 3

[0034] like Figure 3 As shown, based on Example 1, the present invention provides a technical solution: preferably, the cooling mechanism 2 includes a coolant pump 23, the top output of the coolant pump 23 is connected to the flow channel 22, the top of the flow channel 22 is through-connected with a channel 21, the channel 21 is located on the top outer surface of the drill body 1, and the coolant pump 23 is through-connected with an external coolant source.

[0035] In this embodiment, the coolant pump 23 transports the coolant to the top of the drill body 1 through the flow channel 22. The coolant flows out through the channel 21 to directly cool the cutting surface of the drill, effectively reducing the high temperature generated when the drill is working. The coolant pump 23 is connected to an external coolant source to ensure a continuous supply of coolant. It can also be used to remove drill cuttings and effectively prevent the drill from overheating.

[0036] Example 4

[0037] like Figure 4-5 As shown, on the basis of Example 1, the present invention provides a technical solution: preferably, the composite sheet mechanism 8 includes a driving motor 84, the driving motor 84 is drivingly connected to a torque gear set 85, the torque gear set 85 is meshingly connected to a transmission shaft 82, the transmission shaft 82 is drivingly connected to a crushing disk 83, and a composite sheet 81 is fixedly installed on the outer surface of the crushing disk 83. The composite sheet mechanism 8 is provided with two groups, and the fixed composite sheet mechanism 8 is in contact with the rock surface to perform cutting operations, and the blade 4 and the composite sheet mechanism 8 jointly undertake the work of cutting and crushing rocks.

[0038] In this embodiment, the driving motor 84 transmits power to the transmission shaft 82 through the torque gear set 85, so that the crushing disk 83 rotates. The composite sheet 81 fixedly installed on the outer surface of the crushing disk 83 contacts the rock surface, and efficient cutting and crushing operations are achieved through rotation. The two sets of composite sheet mechanisms 8 enhance the cutting ability and working efficiency of the drill bit. The blade 4 and the composite sheet mechanism 8 work together to ensure efficient drilling and rock crushing under various complex geological conditions, thereby improving the stability and efficiency of the drilling operation. The composite sheet mechanism 8 is fixed to the blade or cutting arm by high-temperature welding. The combination of the drill bit material and the composite sheet material is crucial. The welding process using convex surface welding technology is used to ensure that the hardness does not decrease after high temperature.

[0039] The following is a detailed description of the working principle of the high-strength composite drill bit used in this drilling project.

[0040] like Figure 1-5As shown, the drill body 1 achieves a solid structure through the integrally cast blade wing 4, the composite sheet mechanism 8 is fixed on both sides of the top outer surface of the drill body 1 to provide efficient cutting ability, the cooling mechanism 2 is opened inside the top of the drill body 1, and the cooling cycle prolongs the life of the drill bit, the small sleeve 5 and the large sleeve 3 are respectively fixed on the side and top of the blade wing 4 to protect the outer structure of the drill bit, improve the overall rigidity of the drill bit, and reduce wear, so that the drill bit can work efficiently under various complex geological conditions. The high-strength composite drill bit for drilling engineering is installed on the drilling rig through the threaded mounting shaft 6. During the drilling process, the drill bit is rotated by the power of the drilling rig. When the high-strength composite drill bit for drilling engineering needs to be disassembled, the pin slot 73 is inserted through a special tool, and the position of the card slot 72 is clamped at the same time, and the high-strength composite drill bit for drilling engineering is rotated to be removed from the drilling rig. The disassembly is convenient, and there is a dedicated card slot for docking the disassembly tool. The coolant pump 23 transports the coolant through the flow channel 22 To the top of the drill bit body 1, the coolant flows out through the channel 21, directly cooling the cutting surface of the drill bit, effectively reducing the high temperature generated when the drill bit is working, the coolant pump 23 is connected to the external coolant source to ensure the continuous supply of coolant, and can also be used to remove drill cuttings, effectively preventing the drill bit from overheating, and the driving motor 84 transmits power to the transmission shaft 82 through the torque gear set 85 to rotate the crushing disk 83. The composite sheet 81 fixedly installed on the outer surface of the crushing disk 83 contacts the rock surface, and efficient cutting and crushing operations are achieved through rotation. The two sets of composite sheet mechanisms 8 enhance the cutting ability and work efficiency of the drill bit. The blade 4 and the composite sheet mechanism 8 work together to ensure efficient drilling and crushing of rocks under various complex geological conditions, thereby improving the stability and efficiency of the drilling operation. The composite sheet mechanism 8 is fixed to the blade or cutting arm by high-temperature welding. The combination of the drill bit material and the composite sheet material is crucial. The welding process using convex surface welding technology is used to ensure that the hardness does not decrease after high temperature.

[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A high-strength composite drill bit for drilling engineering, comprising a drill bit body (1), characterized in that: Blade wings (4) are integrally cast on both sides of the top outer surface of the drill body (1); composite sheet mechanisms (8) are also fixedly installed on both sides of the top outer surface of the drill body (1); a base mechanism (7) is fixedly installed on the bottom of the drill body (1); a threaded mounting shaft (6) is fixedly installed on the bottom of the base mechanism (7); a cooling mechanism (2) is provided in the top of the drill body (1); the base mechanism (7) includes a base (71); the cooling mechanism (2) includes a coolant pump (23); and the composite sheet mechanism (8) includes a drive motor (84).

2. A high-strength composite drill bit for drilling engineering according to claim 1, characterized in that: The outer surfaces of both sides of the base (71) are provided with card slots (72), and the outer surfaces of both sides of the base (71) are provided with latch slots (73).

3. A high-strength composite drill bit for drilling engineering according to claim 2, characterized in that: The threaded mounting shaft (6) is fixedly mounted on the bottom of the base (71), and the drill head body (1) is fixedly mounted on the top of the base (71).

4. The high-strength composite drill bit for drilling engineering according to claim 1, characterized in that: The top output of the coolant pump (23) is connected to a flow channel (22), and the top of the flow channel (22) is connected to a hole channel (21).

5. A high-strength composite drill bit for drilling engineering according to claim 4, characterized in that: The hole (21) is located on the top outer surface of the drill bit body (1).

6. A high-strength composite drill bit for drilling engineering according to claim 4, characterized in that: The coolant pump (23) is connected to an external coolant source.

7. The high-strength composite drill bit for drilling engineering according to claim 1, characterized in that: The driving motor (84) is drivingly connected to a torque gear set (85), the torque gear set (85) is meshingly connected to a transmission shaft (82), the transmission shaft (82) is drivingly connected to a crushing disk (83), and a composite sheet (81) is fixedly mounted on the outer surface of the crushing disk (83).

8. The high-strength composite drill bit for drilling engineering according to claim 7, characterized in that: The composite sheet mechanism (8) is provided with two groups, the fixed composite sheet mechanism (8) contacts the rock surface to perform cutting operations, and the blade (4) and the composite sheet mechanism (8) jointly undertake the work of cutting and crushing the rock.

9. The high-strength composite drill bit for drilling engineering according to claim 1, characterized in that: A small sleeve (5) is fixedly mounted on the side of the blade wing (4), and a large sleeve (3) is fixedly mounted on the top of the blade wing (4).

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