A rotary drilling rig with drill bit cleaning function

By designing the adjustment mechanism and the water spray mechanism of the trapezoidal nozzle in the rotary drilling rig, the problem of limited rotation angle adjustment of the drill bit cleaning device in the prior art is solved, and the comprehensive cleaning and efficient cleaning of the drill bit is achieved.

CN222731500UActive Publication Date: 2025-04-08CHONG QING MANWELL HEAVY IND MASCH CO LTD
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Patent Information

Application Number
CN202421631992.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-04-08
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

When the drill bit cleaning device of the existing rotary drill rig is in use, the rotation angle adjustment of the flushing nozzle is limited, resulting in limited cleaning area and poor cleaning effect.

Method used

A rotary drilling rig including an adjustment mechanism and a water spraying mechanism is designed. The adjustment mechanism realizes the reciprocating up and down movement of the water pump through a rotating rod, gear, transmission shaft and connecting rod; the water spraying mechanism adopts a trapezoidal structure nozzle to expand the spraying area.

Benefits of technology

Through the design of the adjustment mechanism, the drill bit is fully cleaned, and the trapezoidal nozzle of the water spray mechanism further improves the cleaning efficiency and achieves a good drill bit cleaning effect.

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Abstract

The utility model discloses a rotary drilling rig with a drill bit cleaning function, belonging to the technical field of drill bit cleaning, comprising a rotary drilling rig body, the rotary drilling rig body comprising a drill bit body, the top of the drill bit body being fixedly connected with a rotating rod rotatably connected with the rotary drilling rig body, one side of the drill bit body being provided with an adjustment mechanism, a water spraying mechanism being provided in the adjustment mechanism; the adjustment mechanism comprising a fixed box arranged on one side of the drill bit body, a through opening being provided on a side of the fixed box close to the drill bit body, a fixed groove being provided on the bottom inner wall of the fixed box, a plurality of evenly distributed fixed springs being fixedly connected to the bottom inner wall of the fixed groove, a fixed block being fixedly connected to the top of the fixed spring and forming a sliding fit with the inner wall of the fixed groove. The utility model enables a water pump to reciprocate up and down, can perform a cleaning operation on the drill bit body, and can achieve a good cleaning effect.
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Description

Technical Field

[0001] The utility model belongs to the technical field of drill bit cleaning, in particular to a rotary drilling rig with a drill bit cleaning function. Background Art

[0002] The rotary drilling rig is a construction machine suitable for drilling holes in building foundation projects. The foundation pit support rotary drilling rig uses a drill bit and a sleeve to drill, and is mainly suitable for the construction of sandy soil, clay soil, silty soil and other soil layers. It is widely used in various foundation constructions such as cast-in-place piles, continuous walls, and foundation reinforcement. It is also suitable for a variety of complex geological conditions, such as weathered rocks, backfill slag, clay and other landforms. In the prior art, during the construction of the rotary drilling rig, as the depth of the drill bit increases, a large amount of debris will adhere to the drill bit, and a rotary drilling rig with a drill bit cleaning function is needed.

[0003] At present, a Chinese patent with announcement number CN 216811564 U discloses a rotary drilling rig with a drill bit cleaning function, including a drilling rig body, a traveling mechanism and a movable support rod, the traveling mechanism is installed and fixed at the bottom of the drilling rig body, and the movable support rod is installed on the drilling rig body; a cleaning device is provided on the movable support rod, and the cleaning device includes a cleaning fixed seat arranged on the movable support rod, a spray slide seat slidably installed on the cleaning fixed seat, a translation drive device for driving the spray slide seat to move close to the drill bit, a spray angle adjustment device installed on the spray slide seat, and a flushing nozzle arranged on the output end of the spray angle adjustment device.

[0004] However, when the above device is in use, the flushing nozzle is rotated to adjust to flush the drill bit. The rotation angle adjustment of the flushing nozzle is limited, and the cleaning area of ​​the drill bit is limited, resulting in poor cleaning effect. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes a rotary drilling rig with a drill bit cleaning function. The utility model has the advantages of achieving a good cleaning effect.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A rotary drilling rig with a drill bit cleaning function, comprising a rotary drilling rig body, the rotary drilling rig body comprising a drill bit body, a rotating rod rotatably connected to the rotary drilling rig body is fixedly connected to the top of the drill bit body, an adjustment mechanism is arranged on one side of the drill bit body, and a water spray mechanism is arranged inside the adjustment mechanism;

[0008] The adjusting mechanism comprises a fixing box arranged at one side of the drill body, a through opening is provided at one side of the fixing box close to the drill body, a fixing groove is provided at the bottom inner wall of the fixing box, a plurality of evenly distributed fixing springs are fixedly connected to the bottom inner wall of the fixing groove, a fixing block which forms a sliding fit with the inner wall of the fixing groove is fixedly connected to the top of the fixing spring, an inclined block is provided at the top of the fixing block, and a rotatable connecting rod is provided at the top of the inclined block, so that the water pump can move up and down reciprocatingly, the drill body can be cleaned, and a good cleaning effect can be achieved.

[0009] A rolling groove is provided at the bottom of the connecting rod, and a rolling ball is rotatably connected to the inner wall of the rolling groove. A rolling fit is formed between the rolling ball and the inclined surface of the inclined block. The provision of the rolling ball can prevent damage to the equipment structure.

[0010] A U-shaped fixing frame is fixedly connected to an outer wall of one side of the fixing box, and a transmission shaft is rotatably connected to the top inner wall of the fixing frame via a bearing. Gears are fixedly connected to the surface of the transmission shaft and the surface of the rotating rod, and the two gears are meshed with each other. The setting of the gears can change the height of the water pump.

[0011] The bottom of the transmission shaft is fixedly connected with a rotating disk, and the bottom edge of the rotating disk is fixedly connected to the top of the connecting rod. The setting of the rotating disk can apply force to the inclined surface of the inclined block.

[0012] An electric slide rail is arranged on the outside of one side of the fixed box and is fixedly connected to the rotary drilling rig body through a fixed plate. The inner wall of the electric slide rail is slidably connected to an electric slider, and the electric slider is fixedly connected to the outer wall of the fixed box. The setting of the electric slider can further adjust the height of the water pump.

[0013] The water spraying mechanism includes a water pump fixedly connected to the top of the fixed block, a water tank is fixedly connected to the outer wall of one side of the fixed box, and an inner wall of one side of the water tank is fixedly connected to the water pumping end of the water pump through a water pipe. The setting of the water pump can perform a cleaning operation on the drill body.

[0014] The drainage end of the water pump is fixedly connected with a nozzle, and the nozzle has a trapezoidal structure. The trapezoidal structure design can ensure that the drill body can be fully cleaned.

[0015] The beneficial effects of the utility model are:

[0016] The rotary drilling rig with the drill bit cleaning function can make the rotation of the gear rotate the transmission shaft through the adjustment mechanism, the rotation of the transmission shaft can rotate the rotating disk, the rotation of the rotating disk can rotate the connecting rod, and the rotation of the connecting rod can make the rolling ball roll on the inclined surface of the inclined block. The inclined surface of the inclined block is subjected to force, and the fixed block slides in the inner wall of the fixed groove and the fixed spring is squeezed. At this time, the height of the water pump can be adjusted and the water pump can be moved up and down reciprocatingly, so that the drill bit body can be cleaned, and a good cleaning effect can be achieved.

[0017] The rotary drilling rig with drill bit cleaning function can pump water out of the water tank through a water pump to clean the drill bit body, and the spraying area of ​​the nozzle is increased by the nozzle with a trapezoidal structure, so that the drill bit body can be fully cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a rotary drilling rig with a drill bit cleaning function proposed by the utility model;

[0019] Figure 2 This is a structural schematic diagram of a rotary drilling rig with a drill bit cleaning function proposed by the utility model, showing a rotating disk;

[0020] Figure 3 This is a structural schematic diagram of a rotary drilling rig with a drill bit cleaning function proposed by the utility model, showing a prominent inclined block;

[0021] Figure 4 The utility model discloses a structural schematic diagram of a rotary drilling rig with a drill bit cleaning function and a rolling ball.

[0022] In the figure: 1. rotating rod; 2. drill body; 3. fixing box; 4. fixing groove; 5. fixing spring; 6. fixing block; 7. inclined block; 8. connecting rod; 9. rolling groove; 10. rolling ball; 11. fixing frame; 12. transmission shaft; 13. gear; 14. rotating disk; 15. water tank; 16. water pump; 17. nozzle; 18. electric slide rail; 19. electric slider. DETAILED DESCRIPTION

[0023] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0026] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0027] Reference Figure 1-4 A rotary drilling rig with a drill bit cleaning function comprises a rotary drilling rig body, the rotary drilling rig body comprises a drill bit body 2, a rotating rod 1 rotatably connected to the rotary drilling rig body is fixedly connected to the top of the drill bit body 2, an adjusting mechanism is arranged on one side of the drill bit body 2, and a water spraying mechanism is arranged in the adjusting mechanism; the adjusting mechanism comprises a fixing box 3 arranged on one side of the drill bit body 2, a through opening is opened on a side of the fixing box 3 close to the drill bit body 2, a fixing groove 4 is opened on the bottom inner wall of the fixing box 3, and a plurality of uniformly distributed fixing grooves are fixedly connected to the bottom inner wall of the fixing groove 4. A fixing spring 5 is provided, and the top of the fixing spring 5 is fixedly connected with a fixing block 6 that forms a sliding fit with the inner wall of the fixing groove 4. A slanted block 7 is provided on the top of the fixing block 6. A rotatable connecting rod 8 is provided on the top of the slanted block 7. A rolling groove 9 is provided at the bottom of the connecting rod 8. A rolling ball 10 is rotatably connected to the inner wall of the rolling groove 9. A rolling fit is formed between the rolling ball 10 and the inclined surface of the slanted block 7. The rolling ball 10 can rotate in the inner wall of the rolling groove 9, thereby reducing the friction between the connecting rod 8 and the top of the slanted block 7, and avoiding damage to the equipment structure.

[0028] Reference Figure 1-2A U-shaped fixing frame 11 is fixedly connected to an outer wall of one side of the fixing box 3. A transmission shaft 12 is rotatably connected to the top inner wall of the fixing frame 11 through a bearing. A gear 13 is fixedly connected to the surface of the transmission shaft 12 and the surface of the rotating rod 1. The two gears 13 are meshed with each other. The gear 13 can rotate when the rotating rod 1 rotates. The rotation of the gear 13 can rotate the transmission shaft 12. The rotation of the transmission shaft 12 can rotate the rotating disk 14, thereby changing the height of the water pump 16. The bottom of the transmission shaft 12 is fixedly connected to the rotating disk 14. The bottom of the rotating disk 14 The edge is fixedly connected to the top of the connecting rod 8, and can rotate when the transmission shaft 12 rotates through the rotating disk 14. The rotation of the rotating disk 14 can rotate the connecting rod 8 and apply force to the inclined surface of the inclined block 7. An electric slide rail 18 is provided on the outside of one side of the fixed box 3 and is fixedly connected to the rotary drilling rig body through a fixed plate. The inner wall of the electric slide rail 18 is slidably connected to an electric slider 19. The electric slider 19 is fixedly connected to the outer wall of the fixed box 3. The electric slider 19 can slide in the inner wall of the electric slide rail 18. At this time, the height of the water pump 16 can be further adjusted.

[0029] Reference Figure 1-3 The water spraying mechanism includes a water pump 16 fixedly connected to the top of the fixed block 6, a water tank 15 is fixedly connected to the outer wall of one side of the fixed box 3, and an inner wall of one side of the water tank 15 is fixedly connected to the water pumping end of the water pump 16 through a water pipe. The water in the water tank 15 can be pumped out by the water pump 16 to clean the drill body 2. The drainage end of the water pump 16 is fixedly connected to a nozzle 17, and the nozzle 17 has a trapezoidal structure. The nozzle 17 with a trapezoidal structure increases the spraying area of ​​the nozzle 17, so that the drill body 2 can be fully cleaned.

[0030] Working principle: when in use, when the rotary drilling rig body is working, the rotating rod 1 can be rotated, and the rotation of the rotating rod 1 can make the drill bit body 2 rotate, and the rotary drilling operation can be performed at this time, the rotation of the rotating rod 1 can make the gear 13 rotate, the rotation of the gear 13 can make the transmission shaft 12 rotate, the rotation of the transmission shaft 12 can make the rotating disk 14 rotate, the rotation of the rotating disk 14 can make the connecting rod 8 rotate, and the rotation of the connecting rod 8 can make the rolling ball 10 roll on the inclined surface of the inclined block 7, and the inclined surface of the inclined block 7 is subjected to force. At this time, the fixed block 6 slides in the inner wall of the fixed groove 4 and the fixed spring 5 is squeezed, and the height of the water pump 16 can be adjusted and the water pump 16 can be reciprocated up and down. The electric slider 19 can be started in the inner wall of the electric slide rail 18 to further adjust the height of the water pump 16, and the water pump 16 can be started. The water pump 16 can pump water out of the water tank 15 through the water pipe, and the drill bit body 2 can be cleaned, and a good cleaning effect can be achieved.

[0031] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rotary drilling rig with a drill bit cleaning function, comprising a rotary drilling rig body, wherein the rotary drilling rig body comprises a drill bit body (2) and a rotating rod (1), characterized in that: An adjustment mechanism is provided on one side of the drill body (2), and a water spray mechanism is provided inside the adjustment mechanism; The adjustment mechanism comprises a fixing box (3) arranged on one side of the drill body (2); a through opening is provided on a side of the fixing box (3) close to the drill body (2); a fixing groove (4) is provided on the bottom inner wall of the fixing box (3); a plurality of evenly distributed fixing springs (5) are fixedly connected to the bottom inner wall of the fixing groove (4); a fixing block (6) is fixedly connected to the top of the fixing spring (5) and is slidably matched with the inner wall of the fixing groove (4); an inclined block (7) is provided on the top of the fixing block (6); and a rotatable connecting rod (8) is provided on the top of the inclined block (7).

2. The rotary drilling rig with drill bit cleaning function according to claim 1, characterized in that: A rolling groove (9) is provided at the bottom of the connecting rod (8), and a rolling ball (10) is rotatably connected to the inner wall of the rolling groove (9), so that a rolling fit is formed between the rolling ball (10) and the inclined surface of the inclined block (7).

3. The rotary drilling rig with drill bit cleaning function according to claim 2, characterized in that: A U-shaped fixing frame (11) is fixedly connected to an outer wall of one side of the fixing box (3); a transmission shaft (12) is rotatably connected to the top inner wall of the fixing frame (11) via a bearing; a gear (13) is fixedly connected to the surface of the transmission shaft (12) and the surface of the rotating rod (1); and the two gears (13) are meshed with each other.

4. The rotary drilling rig with drill bit cleaning function according to claim 3, characterized in that: A rotating disk (14) is fixedly connected to the bottom of the transmission shaft (12), and a bottom edge of the rotating disk (14) is fixedly connected to the top of the connecting rod (8).

5. The rotary drilling rig with drill bit cleaning function according to claim 4, characterized in that: An electric slide rail (18) is disposed on the outside of one side of the fixed box (3) and is fixedly connected to the rotary drilling rig body via a fixed plate; an electric slider (19) is slidably connected to the inner wall of the electric slide rail (18); and the electric slider (19) is fixedly connected to the outer wall of the fixed box (3).

6. The rotary drilling rig with drill bit cleaning function according to claim 1, characterized in that: The water spray mechanism comprises a water pump (16) fixedly connected to the top of the fixed block (6); a water tank (15) is fixedly connected to an outer wall of one side of the fixed box (3); and an inner wall of one side of the water tank (15) is fixedly connected to a water pump end of the water pump (16) via a water pipe.

7. The rotary drilling rig with drill bit cleaning function according to claim 6, characterized in that: The drainage end of the water pump (16) is fixedly connected to a nozzle (17), and the nozzle (17) is in a trapezoidal structure.

Citation Information

Patent Citations

  • Rotary drilling rig with drill bit cleaning function

    CN216811564U