Four-shaft stirring pile drilling machine

By using the adjustment mechanism of bidirectional screws and threaded blocks in a four-axis drilling rig, the motor drive screws and threaded blocks are used to adjust the spacing between the drilling rods, which solves the fatigue and leakage problems caused by vibration of the hydraulic cylinder, extends the equipment life and reduces the cost.

CN222296157UActive Publication Date: 2025-01-03HUNAN TAOYUAN HYDROPOWER ENG CONSTR CO LTD
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Patent Information

Application Number
CN202421264475.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-01-03
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

During the drilling process, the existing four-axis drilling rigs are affected by impact vibration of the hydraulic cylinder, which causes fatigue and wear to accelerate, and the internal seal of the hydraulic cylinder is loose and may leak, affecting the normal working effect.

Method used

The adjustment mechanism of bidirectional screw and thread block is adopted. The motor drives the screw and thread block to approach each other, adjust the spacing of the drill rod, avoiding the use of hydraulic cylinders for adjustment, improving service life and reducing costs.

Benefits of technology

It realizes flexible adjustment of the spacing of four-axis drill rods, extends the service life of the hydraulic cylinder, reduces maintenance costs, and improves the working stability of the equipment.

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Abstract

The utility model discloses a four-shaft stirring pile drilling machine, and relates to the technical field of drilling machine devices, the four-shaft stirring pile drilling machine comprises a mounting plate, a rotating plate is rotatably mounted on the outer wall of the bottom of the mounting plate, a connecting ring is fixedly mounted on the outer wall of the top of the mounting plate, and a plurality of steel ropes are fixedly mounted on the connecting ring. Under the cooperation effect of a first threaded block and the like, a first motor and a second motor are controlled to be started, the output end of the first motor can drive a first screw to rotate, and the output end of the second motor can drive a second screw to rotate; the first screw and the second screw rotate to drive the two corresponding first threaded blocks and the two corresponding second threaded blocks to get close to each other, and then the four drill rods are driven to get close to each other, so that the distance between the four drill rods can be adjusted, a hydraulic cylinder does not need to be used for adjustment, the service life is prolonged, and the use cost is reduced.
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Description

Technical Field

[0001] The present application relates to the technical field of drilling machine devices, and in particular to a four-axis mixing pile drilling machine. Background Art

[0002] Generally, when improving the underwater strata on the seabed, a multi-axis (four-axis) screw excavator is mounted on a guide column of a crane mounted on a pile-driving ship anchored on the water surface, and the underwater strata are improved by a deep cement mixing method or the like.

[0003] After searching, the patent with Chinese patent authorization announcement number CN210530732U discloses a four-axis drilling rig, including a support plate, a rotating motor is installed at the top center of the support plate, a rotating disk is slidably connected to the bottom of the support plate, and the output end of the rotating motor is plugged into the axis center of the rotating disk.

[0004] A four-axis drilling rig in the above patent has the following shortcomings: although the device makes the four-axis drilling rig have a wide working range, simple operation and high working efficiency, the four drill rods on the device are controlled and adjusted by hydraulic cylinders. When the drill rods are drilling, vibrations will occur, which will cause the hydraulic cylinder to be subjected to impact vibrations, thereby causing fatigue of the machine parts and accelerating the wear of the machine parts, thereby reducing the working life of the hydraulic cylinder. The vibration reaction force may also cause the internal seal of the hydraulic cylinder to loosen, causing the hydraulic cylinder to leak, thereby affecting its normal working effect. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problem in the prior art that when the drill rod is working in drilling, vibration will occur, which will cause the hydraulic cylinder to be subjected to impact vibration, thus causing fatigue of the machine parts, accelerating the wear of the machine parts, thereby reducing the working life of the hydraulic cylinder, and the vibration reaction force may also cause the internal seal of the hydraulic cylinder to loosen, causing the hydraulic cylinder to leak, thereby affecting its normal working effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-axis mixing pile drilling machine, comprising a mounting plate, a rotating plate is rotatably mounted on the bottom outer wall of the mounting plate, a connecting ring is fixedly mounted on the top outer wall of the mounting plate, and a plurality of steel ropes are fixedly mounted on the connecting ring, a guide frame for mounting with a guide column is fixedly mounted on one side outer wall of the mounting plate, a first box is fixedly mounted on the bottom outer wall of the rotating plate, and a second box is fixedly mounted on the bottom outer wall of the first box, and an adjustment mechanism is provided in both the first box and the second box;

[0007] The adjustment mechanism includes a first screw rod rotatably installed in the first box body and a second screw rod rotatably installed in the second box body. The first screw and the second screw are both bidirectional screws. A first screw thread block and two second screw thread blocks are respectively screwed on the first screw and the second screw. The bottom outer walls of the two first screw blocks and the second screw blocks are both provided with drilling mechanisms. The first box body and the second box body are both provided with driving mechanisms.

[0008] By adopting the above technical solution, the first screw and the second screw rotate, thereby driving the corresponding two first threaded blocks and the two second threaded blocks to approach each other, and then driving the four drill rods to approach each other. Therefore, the spacing between the four drill rods can be adjusted without the need for using a hydraulic cylinder for adjustment, thereby increasing service life and reducing use costs.

[0009] Optionally, the driving mechanism includes a first support plate fixedly mounted on one side of the first box body, a first motor is fixedly mounted on the top outer wall of the first support plate, and an output end of the first motor passes through an outer wall of one side of the first box body and is fixedly connected to a first screw.

[0010] By adopting the above technical solution, the first motor is started by controlling, and the output end of the first motor drives the first screw to rotate.

[0011] Optionally, a second support plate is fixedly mounted on one side outer wall of the second box body, a second motor is fixedly mounted on the top outer wall of the second support plate, and an output end of the second motor is fixedly connected to the second screw rod.

[0012] By adopting the above technical solution, by starting the second motor, the output end of the second motor will drive the second screw to rotate.

[0013] Optionally, the bottom outer walls of the first box body and the second box body are both provided with box grooves, and the first threaded block and the second threaded block are respectively slidably installed in the corresponding box grooves.

[0014] By adopting the above technical solution, the first threaded block and the second threaded block can be limitedly moved by setting the box groove.

[0015] Optionally, the drilling mechanism includes a connecting rod fixedly mounted at the bottom of the two first threaded blocks, two fixing frames are fixedly mounted at one end of the bottom of the two connecting rods, driving motors are fixedly mounted in the two fixing frames, and gear boxes are fixedly mounted at the bottom of the two fixing frames.

[0016] By adopting the above technical solution, by starting the drive motor, the output end of the drive motor will cooperate with the gear box, thereby driving the drill rod to rotate.

[0017] Optionally, two other fixing frames are fixedly mounted on the bottom outer walls of the two second threaded blocks respectively, and two other driving motors are fixedly mounted in the other two fixing frames.

[0018] By adopting the above technical solution, the fixing frame can be provided to assist the installation.

[0019] Optionally, output ends of the four drive motors are each provided with a connection assembly for connecting to a drill rod.

[0020] By adopting the above technical solution, a connection assembly is provided to facilitate connection and fixation with the drill rod.

[0021] Optionally, the four fixing frames are arranged in parallel, a support frame is fixedly mounted on the top outer wall of the mounting plate, and a rotating motor is fixedly mounted on the support frame, and an output end of the rotating motor passes through the top outer wall of the mounting plate and is fixedly connected to the rotating plate.

[0022] By adopting the above technical solution, the rotating motor is controlled to work, and the output end of the rotating motor drives the rotating plate to make a circular motion under the mounting plate, thereby driving the four-axis drill rod under the rotating plate to adjust to different positions.

[0023] In summary, the beneficial effects of this application are as follows:

[0024] 1. The new model of the present application adopts the cooperation of the first threaded block, etc., by controlling the start-up of the first motor and the second motor, the output end of the first motor will drive the first screw to rotate, and the output end of the second motor will drive the second screw to rotate. The rotation of the first screw and the second screw will drive the corresponding two first threaded blocks and the two second threaded blocks to approach each other, and then drive the four drill rods to approach each other. Therefore, the spacing between the four drill rods can be adjusted without the need for adjustment using a hydraulic cylinder, thereby increasing service life and reducing use costs.

[0025] 2. The new model of the present application adopts the cooperation of a rotating motor, etc., and works by controlling the rotating motor. The output end of the rotating motor drives the rotating plate to make a circular motion under the mounting plate, thereby driving the four-axis drill rod under the rotating plate to adjust to different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the entire application;

[0027] Figure 2 It is a schematic diagram of the first box of this application;

[0028] Figure 3 It is a schematic diagram of the connecting rod of this application.

[0029] Explanation of the accompanying drawings: In the figure: 1, mounting plate; 2, rotating plate; 3, connecting ring; 4, steel rope; 5, rotating motor; 6, support frame; 7, guide frame; 8, first box body; 9, first support plate; 10, first motor; 11, second box body; 12, second support plate; 13, second motor; 14, first screw; 15, first threaded block; 16, connecting rod; 17, second screw; 18, second threaded block; 19, box groove; 20, fixed frame; 21, driving motor; 22, gear box; 23, connecting assembly. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-3 This application is described in further detail.

[0031] See also Figure 1-3 A four-axis mixing pile drilling machine comprises a mounting plate 1, a rotating plate 2 is rotatably mounted on the bottom outer wall of the mounting plate 1, a connecting ring 3 is fixedly mounted on the top outer wall of the mounting plate 1, and a plurality of steel ropes 4 are fixedly mounted on the connecting ring 3, and the steel ropes 4 are arranged so as to play the role of auxiliary connection support, a guide frame 7 for installation with a guide column is fixedly mounted on the outer wall of one side of the mounting plate 1, a first box body 8 is fixedly mounted on the bottom outer wall of the rotating plate 2, and a second box body 11 is fixedly mounted on the bottom outer wall of the first box body 8, and an adjustment mechanism is arranged in both the first box body 8 and the second box body 11; the spacing setting of the four drill rods can be adjusted by arranging the adjustment mechanism.

[0032] Among them, the adjustment mechanism includes a first screw 14 rotatably installed in the first box body 8 and a second screw 17 rotatably installed in the second box body 11. The first screw 14 and the second screw 17 are both bidirectional screws. The first screw 14 and the second screw 17 are respectively screwed with a first screw thread block 15 and two second screw threads 18. The first screw 15 and the second screw 18 are provided to assist installation. The bottom outer walls of the two first thread blocks 15 and the second thread blocks 18 are provided with drilling mechanisms, and the first box body 8 and the second box body 11 are provided with driving mechanisms.

[0033] When in use, the first screw 14 and the second screw 17 rotate, thereby driving the corresponding two first threaded blocks 15 and the two second threaded blocks 18 to approach each other, and then driving the four drill rods to approach each other. Therefore, the spacing between the four drill rods can be adjusted without using a hydraulic cylinder for adjustment, thereby increasing service life and reducing use costs.

[0034] Reference Figure 1 and Figure 2The driving mechanism includes a first support plate 9 fixedly mounted on one side of the first box body 8, a first motor 10 is fixedly mounted on the top outer wall of the first support plate 9, and an output end of the first motor 10 penetrates through one side outer wall of the first box body 8 and is fixedly connected to a first screw rod 14. By controlling and starting the first motor 10, the output end of the first motor 10 will drive the first screw rod 14 to rotate.

[0035] Reference Figure 1 and Figure 2 A second support plate 12 is fixedly mounted on one side outer wall of the second box body 11, a second motor 13 is fixedly mounted on the top outer wall of the second support plate 12, and an output end of the second motor 13 is fixedly connected to a second screw 17. By starting the second motor 13, the output end of the second motor 13 drives the second screw 17 to rotate.

[0036] Reference Figure 2 The bottom outer walls of the first box body 8 and the second box body 11 are both provided with box grooves 19, and the first threaded block 15 and the second threaded block 18 are respectively slidably installed in the corresponding box grooves 19. By providing the box grooves 19, the first threaded block 15 and the second threaded block 18 can be limitedly moved.

[0037] Reference Figure 2 and Figure 3 The drilling mechanism includes a connecting rod 16 fixedly mounted at the bottom of the two first threaded blocks 15, two fixing frames 20 are fixedly mounted at one end of the bottom of the two connecting rods 16, a driving motor 21 is fixedly mounted in the two fixing frames 20, and a gear box 22 is fixedly mounted at the bottom of the two fixing frames 20. By starting the driving motor 21, the output end of the driving motor 21 will cooperate with the gear box 22, thereby driving the drill rod to rotate.

[0038] Reference Figure 2 and Figure 3 The bottom outer walls of the two second threaded blocks 18 are respectively fixedly mounted with two other fixing frames 20, and two other driving motors 21 are fixedly mounted in the other two fixing frames 20. The fixing frames 20 can be provided to assist in installation.

[0039] Reference Figure 3 The output ends of the four drive motors 21 are all provided with a connection assembly 23 for connecting with the drill rod. The connection assembly 23 is provided so as to facilitate the connection and fixation with the drill rod.

[0040] Reference Figure 1 and Figure 3, four fixing frames 20 are arranged in parallel, a support frame 6 is fixedly mounted on the top outer wall of the mounting plate 1, and a rotating motor 5 is fixedly mounted on the support frame 6, and the output end of the rotating motor 5 penetrates the top outer wall of the mounting plate 1 and is fixedly connected to the rotating plate 2. By controlling the rotating motor 5 to work, the output end of the rotating motor 5 drives the rotating plate 2 to make a circular motion under the mounting plate 1, thereby driving the four-axis drill rod under the rotating plate 2 to adjust different positions.

[0041] The implementation principle of the present application is as follows: when in use, the guide frame 7 of the device is slidably mounted on the guide column in the up-down direction, wherein the guide column is mounted on a crane or the like in the vertical direction, and the steel cable sleeve of the crane is hung on the steel rope 4 to support the mounting plate 1, and then the rotating motor 5 is controlled to work, and the output end of the rotating motor 5 drives the rotating plate 2 to make a circular motion under the mounting plate 1, thereby driving the four-axis drill rod located under the rotating plate 2 to adjust to different positions;

[0042] By controlling to start the first motor 10 and the second motor 13, the output end of the first motor 10 will drive the first screw 14 to rotate, and the output end of the second motor 13 will drive the second screw 17 to rotate. The rotation of the first screw 14 and the second screw 17 will drive the corresponding two first threaded blocks 15 and the two second threaded blocks 18 to approach each other, and then drive the four drill rods to approach each other. Therefore, the spacing between the four drill rods can be adjusted without using a hydraulic cylinder for adjustment, thereby increasing service life and reducing the cost of use. After the adjustment is completed, the drive motor 21 is started to work, which is easy to operate.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A four-axis mixing pile drilling machine, comprising a mounting plate (1), a rotating plate (2) being rotatably mounted on the bottom outer wall of the mounting plate (1), a connecting ring (3) being fixedly mounted on the top outer wall of the mounting plate (1), and a plurality of steel ropes (4) being fixedly mounted on the connecting ring (3), characterized in that: A guide frame (7) for mounting with a guide column is fixedly mounted on one side outer wall of the mounting plate (1), a first box (8) is fixedly mounted on the bottom outer wall of the rotating plate (2), and a second box (11) is fixedly mounted on the bottom outer wall of the first box (8), and an adjustment mechanism is provided in both the first box (8) and the second box (11); The adjustment mechanism comprises a first screw rod (14) rotatably mounted in a first housing (8) and a second screw rod (17) rotatably mounted in a second housing (11); the first screw rod (14) and the second screw rod (17) are both bidirectional screw rods; a first screw thread block (15) and two second screw thread blocks (18) are respectively screwed to the first screw rod (14) and the second screw rod (17); a drilling mechanism is provided on the bottom outer walls of the two first screw thread blocks (15) and the two second screw thread blocks (18); and a driving mechanism is provided on the first housing (8) and the second housing (11).

2. A four-axis mixing pile drilling machine according to claim 1, characterized in that: The driving mechanism comprises a first support plate (9) fixedly mounted on one side of a first box body (8); a first motor (10) is fixedly mounted on the top outer wall of the first support plate (9); an output end of the first motor (10) passes through an outer wall of one side of the first box body (8) and is fixedly connected to a first screw rod (14).

3. A four-axis mixing pile drilling machine according to claim 2, characterized in that: A second support plate (12) is fixedly mounted on one side outer wall of the second box body (11), a second motor (13) is fixedly mounted on the top outer wall of the second support plate (12), and an output end of the second motor (13) is fixedly connected to a second screw rod (17).

4. A four-axis mixing pile drilling machine according to claim 3, characterized in that: The bottom outer walls of the first box body (8) and the second box body (11) are both provided with box grooves (19), and the first threaded block (15) and the second threaded block (18) are respectively slidably mounted in the corresponding box grooves (19).

5. The four-axis mixing pile drilling machine according to claim 1, characterized in that: The drilling mechanism comprises a connecting rod (16) fixedly mounted on the bottom of two first threaded blocks (15), two fixing frames (20) being fixedly mounted on one end of the bottom of the two connecting rods (16), a driving motor (21) being fixedly mounted in the two fixing frames (20), and a gear box (22) being fixedly mounted on the bottom of the two fixing frames (20).

6. A four-axis mixing pile drilling machine according to claim 5, characterized in that: Two other fixing frames (20) are respectively fixedly mounted on the bottom outer walls of the two second threaded blocks (18), and two other driving motors (21) are respectively fixedly mounted in the other two fixing frames (20).

7. A four-axis mixing pile drilling machine according to claim 6, characterized in that: The output ends of the four drive motors (21) are each provided with a connection assembly (23) for connecting to a drill rod.

8. The four-axis mixing pile drilling machine according to claim 6, characterized in that: The four fixing frames (20) are arranged in parallel, a support frame (6) is fixedly mounted on the top outer wall of the mounting plate (1), and a rotating motor (5) is fixedly mounted on the support frame (6), and an output end of the rotating motor (5) passes through the top outer wall of the mounting plate (1) and is fixedly connected to the rotating plate (2).

Citation Information

Patent Citations

  • Four-shaft drilling machine

    CN210530732U