Rotary drilling rig drill bit convenient to clean

Abstract

The utility model relates to the technical field of rotary drilling rigs, and discloses a rotary drilling rig drill bit convenient to clean, which comprises a drill bit shell, the top of the drill bit shell is fixedly connected with a mounting seat, the inner wall of the top end of the mounting seat is fixedly connected with a hydraulic cylinder, and the driving end of the hydraulic cylinder is fixedly connected with a connecting plate. The bottom of the connecting plate is fixedly connected with a damper, the bottom of the damper is fixedly connected with a push plate, the bottom of the connecting plate is provided with a telescopic assembly, the telescopic assembly can buffer the push plate, and the bottom end of the drill bit shell is fixedly connected with a plurality of locking lantern rings. According to the drill bit, the pressure of the push plate on the first connecting shaft can be reduced, soil can be pushed out of the interior of the drill bit shell, the soil is prevented from being accumulated in the drill bit shell, the second clamping block and the positioning column can lock the mounting column along with screwing of the locking plate, and timely replacement and maintenance are facilitated after teeth are damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig bit that is convenient for cleaning. Background Art

[0002] A rotary drilling rig bit that is convenient for cleaning can not only improve work efficiency and performance, but also reduce labor costs and time consumption during maintenance and cleaning. A rotary drilling rig is a pile foundation hole-forming construction equipment, commonly used for foundation drilling construction of various foundations such as cast-in-place piles, diaphragm walls, and foundation reinforcement, and has the characteristics of fast hole-forming speed, good mobility, and high construction efficiency.

[0003] In the prior art, some bits will adhere to mud on the outside during drilling operations. By rotating the bit, the mud on the spiral blades can be thrown off, but the mud adhering to the inside of the bit is not easily thrown off. The mud has a certain humidity. If it is not cleaned in time and accumulates for a long time, it will cause damage to the bit. Therefore, a rotary drilling rig bit that is convenient for cleaning is proposed to solve the above problems. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a rotary drilling rig bit that is convenient for cleaning, aiming to improve the problem that the mud adhering to the inside of the bit in the prior art is not easily thrown off, the mud has a certain humidity, and if it is not cleaned in time and accumulates for a long time, it will cause damage to the bit.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A rotary drilling rig bit that is convenient for cleaning includes a bit housing. The top of the bit housing is fixedly connected with a mounting seat. The inner wall of the top end of the mounting seat is fixedly connected with a hydraulic cylinder. The driving end of the hydraulic cylinder is fixedly connected with an adapter plate. The bottom of the adapter plate is fixedly connected with a damper. The bottom of the damper is fixedly connected with a push plate. A telescopic assembly is arranged at the bottom of the adapter plate. The telescopic assembly can buffer the push plate. The bottom end of the bit housing is fixedly connected with a plurality of locking collar rings. A tooth is slidably connected inside the locking collar ring. An installation assembly is arranged inside the locking collar ring. The installation assembly can facilitate the installation of the tooth;

[0007] As a further description of the above technical solution:

[0008] The telescopic assembly includes a spring. The spring is sleeved outside the damper. Both the left and right sides of the bottom of the adapter plate are rotatably connected with a first connecting shaft. The other end of the first connecting shaft is rotatably connected with a second connecting shaft. The other end of the second connecting shaft is rotatably connected to the top of the spring;

[0009] As a further description of the above technical solution:

[0010] One end of the spring is fixedly connected to the bottom of the connecting plate, and the other end of the spring is fixedly connected to the top of the pushing plate;

[0011] As a further description of the above technical solution:

[0012] The outside of the connecting plate is slidably connected to the inner wall of the drill bit housing, and the outside of the pushing plate is slidably connected to the inner wall of the drill bit housing;

[0013] As a further description of the above technical solution:

[0014] The mounting assembly includes a locking plate, the inside of the locking plate is threadedly connected to the outside of the locking collar, a first clamping block is slidably connected inside the locking collar, a positioning column is fixedly connected to the outside of the first clamping block, and a second clamping block is slidably connected inside the locking collar;

[0015] As a further description of the above technical solution:

[0016] An arc-shaped groove one is formed on one side of the outside of the second clamping block, and an arc-shaped groove two is formed on one side of the outside of the first clamping block;

[0017] As a further description of the above technical solution:

[0018] An installation column is fixedly connected to the top of the tooth, and the outside of the installation column is slidably connected to the outer walls of the arc-shaped groove one and the arc-shaped groove two;

[0019] As a further description of the above technical solution:

[0020] A plurality of installation holes are formed inside the installation seat, and the outside of the driving end of the hydraulic cylinder is slidably connected inside the installation seat and the drill bit housing.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, after the soil enters the inside of the drill bit housing, the first connecting shaft is compressed by the force, and the damper and the spring can reduce the pressure of the pushing plate on the first connecting shaft. Then, the hydraulic cylinder is started, and under the drive of the hydraulic cylinder, the connecting plate slides downward to push the soil out of the inside of the drill bit housing, avoiding the accumulation of soil inside the drill bit housing.

[0023] 2. In the utility model, by tightening the locking plate, the arc-shaped groove one is placed at the bottom of the drill bit housing. As the locking plate is tightened, the second clamping block and the positioning column can lock the installation column, facilitating the timely replacement and repair when the tooth is damaged. Description of the Drawings

[0024] Figure 1A three-dimensional schematic diagram of a rotary drilling rig bit that is easy to clean proposed by the present utility model;

[0025] Figure 2 A structural schematic diagram of the mounting seat of a rotary drilling rig bit that is easy to clean proposed by the present utility model;

[0026] Figure 3 A structural schematic diagram of the push plate of a rotary drilling rig bit that is easy to clean proposed by the present utility model;

[0027] Figure 4 A structural schematic diagram of the locking collar of a rotary drilling rig bit that is easy to clean proposed by the present utility model.

[0028] Legend description:

[0029] 1. Bit housing; 2. Mounting seat; 3. Hydraulic cylinder; 4. Connecting plate; 5. Damper; 6. Spring; 7. Push plate; 8. Connecting shaft one; 9. Connecting shaft two; 10. Locking collar; 11. Locking plate; 12. Clamping block one; 13. Positioning column; 14. Clamping block two; 15. First arc groove; 16. Second arc groove; 17. Mounting column; 18. Teeth. Specific implementation manner

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Refer to Figures 1 - 3 , an embodiment provided by the present utility model: A rotary drilling rig bit that is easy to clean, including a bit housing 1. First, place the bit housing 1 in a suitable position. The top of the bit housing 1 is fixedly connected with a mounting seat 2. A plurality of mounting holes are opened inside the mounting seat 2. Then, use the mounting holes to install with the main body of the rotary drilling rig. When constructing with the bit housing 1, mud will adhere to the inside of the bit housing 1. The top inner wall of the mounting seat 2 is fixedly connected with a hydraulic cylinder 3. Start the hydraulic cylinder 3. The driving end of the hydraulic cylinder 3 is slidably connected inside the mounting seat 2 and the bit housing 1. The driving end of the hydraulic cylinder 3 is fixedly connected with a connecting plate 4. Driven by the hydraulic cylinder 3, the connecting plate 4 moves downward. The outside of the connecting plate 4 is slidably connected to the inner wall of the bit housing 1. The bottom of the connecting plate 4 is fixedly connected with a damper 5. The bottom of the damper 5 is fixedly connected with a push plate 7. The outside of the push plate 7 is slidably connected to the inner wall of the bit housing 1. A telescopic assembly is arranged at the bottom of the connecting plate 4, and the telescopic assembly can buffer the push plate 7.

[0032] The telescopic component includes a spring 6, which is sleeved outside the damper 5. At the same time, the damper 5 can reduce the pressure generated when the soil squeezes the push plate 7. One end of the spring 6 is fixedly connected to the bottom of the connecting plate 4, and the other end of the spring 6 is fixedly connected to the top of the push plate 7. The spring 6 will assist the damper 5 to absorb the impact force outside the push plate 7 and reduce the impact force received by the push plate 7. On both the left and right sides of the bottom of the connecting plate 4, there is a first connecting shaft 8 rotatably connected. The other end of the first connecting shaft 8 is rotatably connected to a second connecting shaft 9. Through the first connecting shaft 8 and the second connecting shaft 9, the push plate 7 can be pushed downward. During the movement of the push plate 7, the soil inside the drill bit housing 1 can be pushed out. The other end of the second connecting shaft 9 is rotatably connected to the top of the spring 6, which can push the soil out of the inside of the drill bit housing 1 and prevent the soil from accumulating inside the drill bit housing 1;

[0033] Refer to Figure 1 And Figure 4 , at the bottom end of the drill bit housing 1, there are a plurality of locking collar rings 10 fixedly connected. Inside the locking collar rings 10, there is a sliding connection with teeth 18. The teeth 18 will assist the drill bit housing 1 in construction. The soil will adhere to the outside of the teeth 18. Inside the locking collar rings 10, there is an installation component, which can facilitate the installation of the teeth 18. The installation component includes a locking plate 11. After that, rotate the locking plate 11 and remove it. The inside of the locking plate 11 is threadedly connected to the outside of the locking collar rings 10. Inside the locking collar rings 10, there is a first clamping block 12 slidingly connected. On the outside of the first clamping block 12, there is a positioning column 13 fixedly connected. Inside the locking collar rings 10, there is a second clamping block 14 slidingly connected. The second clamping block 14 will slide outward when no longer under force.

[0034] On one side of the outside of the second clamping block 14, there is an arc-shaped groove 15 opened. On one side of the outside of the first clamping block 12, there is an arc-shaped groove 16 opened. At the top of the teeth 18, there is an installation column 17 fixedly connected. Place the installation column 17 inside the locking collar rings 10, and then screw the locking plate 11 tightly on the outside of the locking collar rings 10 again. The outside of the installation column 17 is slidingly connected to the outer walls of the arc-shaped groove 15 and the arc-shaped groove 16. Under the push of the second clamping block 14, it slides into the inside of the installation column 17. At this time, the first clamping block 12 will also slide into the inside of the locking collar rings 10. The arc-shaped groove 15 and the arc-shaped groove 16 will clamp the installation column 17, which can fix it, lock the installation column 17, and facilitate the timely replacement and repair when the teeth 18 are damaged.

[0035] Working principle: First, place the drill bit housing 1 in a suitable position, then install it on the main body of the rotary drilling rig using the mounting holes. After that, rotate the locking plate 11 to remove it. At this time, the second clamping block 14 is no longer stressed and slides outwards. Then, place the mounting post 17 inside the locking collar 10. After that, tighten the locking plate 11 again on the outside of the locking collar 10. Driven by the second clamping block 14, it slides into the inside of the mounting post 17. At this time, the first clamping block 12 also slides into the inside of the locking collar 10, and the first arc-shaped groove 15 and the second arc-shaped groove 16 clamp the mounting post 17 to fix it.

[0036] After that, use the drill bit housing 1 for construction. The teeth 18 will assist the drill bit housing 1 in construction. At this time, the soil will adhere to the outside of the teeth 18 and the inside of the drill bit housing 1. Then, start the hydraulic cylinder 3. Driven by the hydraulic cylinder 3, the connecting plate 4 moves downwards. Through the first connecting shaft 8 and the second connecting shaft 9, the push plate 7 can be pushed downwards. During the movement of the push plate 7, the soil inside the drill bit housing 1 can be pushed out. At the same time, the damper 5 can reduce the pressure generated when the soil presses against the push plate 7. At the same time, the spring 6 will assist the damper 5 in absorbing the impact force outside the push plate 7 to reduce the impact force on the push plate 7.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary drilling rig bit convenient for cleaning, comprising a bit housing (1), characterized in that: A mounting seat (2) is fixedly connected to the top of the drill bit housing (1). The inner wall of the top end of the mounting seat (2) is fixedly connected to a hydraulic cylinder (3). The driving end of the hydraulic cylinder (3) is fixedly connected to an adapter plate (4). A damper (5) is fixedly connected to the bottom of the adapter plate (4). A push plate (7) is fixedly connected to the bottom of the damper (5). A telescopic assembly is arranged at the bottom of the adapter plate (4), and the telescopic assembly can buffer the push plate (7). A plurality of locking collar rings (10) are fixedly connected to the bottom end of the drill bit housing (1). A tooth (18) is slidably connected inside the locking collar ring (10). An installation assembly is arranged inside the locking collar ring (10), and the installation assembly can facilitate the installation of the tooth (18).

2. The rotary drilling rig bit according to claim 1, which is characterized in that: The telescopic assembly includes a spring (6). The spring (6) is sleeved outside the damper (5). One end of each of the left and right sides of the bottom of the adapter plate (4) is rotatably connected to a first connecting shaft (8). The other end of the first connecting shaft (8) is rotatably connected to a second connecting shaft (9). The other end of the second connecting shaft (9) is rotatably connected to the top of the spring (6).

3. The rotary drilling rig bit convenient for cleaning according to claim 2, wherein: One end of the spring (6) is fixedly connected to the bottom of the adapter plate (4), and the other end of the spring (6) is fixedly connected to the top of the push plate (7).

4. The auger bit of a rotary drilling rig that is easy to clean according to claim 1, characterized in that: The outer part of the adapter plate (4) is slidably connected to the inner wall of the drill bit housing (1), and the outer part of the push plate (7) is slidably connected to the inner wall of the drill bit housing (1).

5. The auger bit of a rotary drilling rig that is easy to clean according to claim 1, characterized in that: The installation assembly includes a locking plate (11). The inside of the locking plate (11) is threadedly connected to the outside of the locking collar ring (10). A first clamping block (12) is slidably connected inside the locking collar ring (10). A positioning post (13) is fixedly connected to the outside of the first clamping block (12). A second clamping block (14) is slidably connected inside the locking collar ring (10).

6. The auger bit for a rotary drilling rig that is convenient for cleaning according to claim 5, wherein: An arc-shaped groove one (15) is formed on one side of the outside of the second clamping block (14), and an arc-shaped groove two (16) is formed on one side of the outside of the first clamping block (12).

7. The rotary drilling rig bit according to claim 6, characterized in that: A mounting post (17) is fixedly connected to the top of the tooth (18). The outside of the mounting post (17) is slidably connected to the outer walls of the arc-shaped groove one (15) and the arc-shaped groove two (16).

8. The rotary drilling rig bit according to claim 1, characterized in that: A plurality of mounting holes are formed inside the mounting seat (2). The outside of the driving end of the hydraulic cylinder (3) is slidably connected inside the mounting seat (2) and the drill bit housing (1).

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