High-precision drilling mechanism and method for transmission flange plate

Abstract

The invention discloses a transmission flange high-precision drilling mechanism which comprises a machining platform, a movable drill rod is arranged at the top of the machining platform, the drill rod is driven by a driving motor to rotate and moves through the driving motor, and a rotating disc is arranged at the top of the machining platform. Clamping plates for clamping a flange plate are arranged at the top of the rotating disc, the rotating disc is driven by an electric telescopic column to move, the rotating disc is driven by a rotating motor to rotate, balls for limiting the drill rod are arranged on the outer side of the drill rod, and a worker can quickly replace the corresponding arc-shaped clamping plates according to the actual size of the flange plate. The movable block and the clamping plate can be driven to move synchronously by rotating the two-way threaded rod, so that the flange plate is quickly clamped and fixed, the flange plate fixing time is shortened, the fixing efficiency is improved, the limitation of a fixing mechanism on the size of the flange plate is avoided, the application range of the drilling device is expanded, and the machining requirements of transmission flange plates of different specifications can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drilling machines, in particular to a high-precision drilling mechanism and method for transmission flange plates. BACKGROUND

[0002] A flange is also called a flange plate or a flange. The flange is a part for connecting pipes to each other, used for the connection between pipe ends; there are also flanges used on the inlets and outlets of devices, used for the connection between two devices. The flange is an indispensable part of the valve, which plays the role of supporting, fixing and connecting. The connection function of the flange plate is mainly realized by a plurality of positioning holes distributed in the circumferential direction, so that drilling is an essential procedure in the processing of the flange.

[0003] In the application file of a flange plate drilling device with the application number 202422413499.0, the convex boss, positioning column, spacer ring, compression ring and clamping mechanism are set to facilitate the coaxial fixation of multiple flange plates, the fixation effect is good, multiple flange plates are convenient for simultaneous drilling processing, and the work efficiency is improved; by setting the sliding top plate, power mechanism, fixed sleeve, movable rod, the position of the drilling mechanism can be flexibly adjusted, the drilling range is increased, and the use is convenient.

[0004] Although the above application meets the use needs of the user to a certain extent, there are still certain defects in the use process, and the specific problems are as follows, the clamping structure is fixedly designed, which can only adapt to flange plates of a single size or a small range of sizes, when different specifications of flange plates need to be processed, the whole set of clamping components needs to be replaced, which not only is cumbersome to operate and takes a long time, but also reduces the production efficiency, and the drill rod lacks effective limiting guide structure, the drill rod is easy to deviate due to vibration during drilling, especially in the deep hole machining or high-speed drilling scene, the deviation will further increase, and the pre-positioning and real-time limiting measures for the drilling position during drilling are insufficient, the limiting state cannot be dynamically adjusted according to the change of the drilling depth, which is easy to cause problems such as deviation of the drilling position, irregular hole diameter, etc., affecting the product quality and use performance of the flange plate, based on this, the present application designs a high-precision drilling mechanism for transmission flange plates to solve the above problems. SUMMARY

[0005] The application provides a high-precision drilling mechanism for a transmission flange plate, which can effectively solve the problem that the clamping structure is fixedly designed and can only be matched with a single size or a small range of sizes of the flange plate, and when different specifications of the flange plate need to be machined, the whole set of clamping components needs to be replaced, which is not only complicated and time-consuming, but also reduces the production efficiency, and the drill rod lacks effective limiting and guiding structure, and the drill rod is easy to deviate in the drilling process due to vibration, especially in the deep hole machining or high-speed drilling scene, the deviation will be further increased, and the pre-positioning and real-time limiting measures for the drilling position are insufficient in the drilling process, the limiting state cannot be dynamically adjusted according to the drilling depth, and problems such as deviation of the drilling position and irregular hole diameter are easy to occur, which affects the product quality and use performance of the flange plate.

[0006] To achieve the above object, the application provides the following technical scheme: a high-precision drilling mechanism for a transmission flange plate, comprising a machining platform, a movable drill rod is arranged on the top of the machining platform, the drill rod is driven to rotate by a driving motor, the drill rod is moved by a driving motor, a rotating disc is arranged on the top of the machining platform, a clamping plate for clamping the flange plate is arranged on the top of the rotating disc, the rotating disc is driven to move by an electric telescopic column, the rotating disc is driven to rotate by a rotating motor, and a ball is arranged outside the drill rod to limit the drill rod.

[0007] A high-precision drilling mechanism for a transmission flange plate, preferably, a fixed rod is installed at one end of the machining platform by screws, a driving motor is installed at the top of the fixed rod by screws, a driving screw is fixedly connected to the output shaft of the driving motor, an installation block is threadedly connected to the outside of the driving screw, a limiting rod is installed at the bottom of the fixed rod by screws, a driving motor is fixedly installed in the inside of the installation block, and a drill rod is fixedly connected to the output shaft of the driving motor.

[0008] A high-precision drilling mechanism for a transmission flange plate, preferably, an electric telescopic column is installed at the bottom of the machining platform by screws, a rotating motor is installed at one end of the electric telescopic column by screws, a rotating disc is fixedly connected to the top of the rotating motor, a bidirectional threaded rod is rotatably connected to the inside of one end of the rotating disc, movable blocks are threadedly connected to the outside of both ends of the bidirectional threaded rod, installation rods are slidably connected to the inside of both ends of the movable blocks, and the installation rods are connected by a clamping plate at the top.

[0009] A high-precision drilling mechanism for a transmission flange plate, preferably, a spring telescopic column is installed at one end of the bottom of the installation block by screws, an installation ring is installed at the bottom of the spring telescopic column by screws, fixed columns are uniformly installed in the inside of the installation ring by screws, and balls are rotatably connected to the inside of one end of the fixed columns.

[0010] The utility model provides a kind of high-precision drilling mechanism of transmission flange, preferably, the machining platform is opened with corresponding slot corresponding output shaft of rotating motor, sliding block is slidably connected in the inside of moving slot, and the output shaft is rotatably embedded in the inside of sliding block.

[0011] The utility model provides a kind of high-precision drilling mechanism of transmission flange, preferably, the end surface of the mounting block and the end surface of limiting rod are in contact with each other.

[0012] The utility model provides a kind of high-precision drilling mechanism of transmission flange, preferably, the rotating disc is opened with moving slot corresponding the position of moving block, and the outer side of moving block and the inner wall of moving slot are in contact with each other.

[0013] The utility model provides a kind of high-precision drilling mechanism of transmission flange, preferably, the moving block is opened with installation slot corresponding the position of installation rod, the outer diameter of installation rod is equal to the inner diameter of installation slot, and the clamping plate is circular arc shape. The installation ring is on the outside of drill rod, and the outside of ball and the outside of drill rod are in contact with each other.

[0014] The utility model provides a kind of high-precision drilling mechanism of transmission flange, preferably, the bottom of the machining platform is fixedly installed with fixed box, the top of fixed box is installed with filter screen by screw, one end of fixed box is installed with water pump by screw, the water outlet end of water pump is fixedly connected with water outlet pipe, the top of water outlet pipe is fixedly installed with fixed ring, the inside of fixed ring is evenly opened with water outlet hole, and the fixed ring is fixedly installed on the top of installation ring.

[0015] The utility model provides a kind of high-precision drilling mechanism of transmission flange, further still includes a kind of using method of high-precision drilling mechanism of transmission flange, including the following steps: S1, carefully check whether the machining platform is placed stably, whether the connecting screw between each component is loose, ensure that the wiring of key electrical components such as driving motor, driving motor, electric telescopic column, rotating motor is accurate and free from damage phenomenon, check whether the ball is installed firmly and rotates smoothly at the same time.Complete equipment inspection, place the transmission flange to be drilled stably on the top of rotating disc in suitable position, ensure that the flange is placed stably, lay a foundation for subsequent clamping and drilling operation. S2, start the bidirectional threaded rod, by its threaded connection with the moving block and the limiting effect of the mounting rod on the moving block, the two moving blocks move towards each other, and then the mounting rod drives the arc-shaped clamping plate to gradually approach and tightly clamp the flange plate, realizing the stable fixation of the flange plate. Then, according to the position of the hole to be drilled on the flange plate, the position of the drill rod is adjusted. Start the driving motor to drive the drive screw to rotate, and under the limiting of the limiting rod, the mounting block moves horizontally, thereby driving the drive motor and the drill rod in the mounting block to move horizontally, moving the drill rod to the position directly above the hole to be drilled. At the same time, start the electric telescopic column to drive the flange plate to move vertically by the rotating motor and rotating disc, so that the flange plate and the drill rod are at a suitable vertical distance, preparing for accurate drilling; S3, during the position adjustment of the drill rod, the mounting ring at the bottom of the mounting block installed by the spring telescopic column and the ball inside it plays an important role. The spring telescopic column can automatically extend and retract according to the movement of the drill rod, so that the ball is always in close contact with the outside of the drill rod, effectively limiting the drill rod, preventing the drill rod from deviating during rotation and movement, and ensuring the accuracy of drilling. If drilling is needed at different positions or specific angles on the flange plate, the rotating motor can be started to drive the rotating disc and the flange plate to rotate, accurately adjusting the next hole to be drilled to be directly below the drill rod, meeting the diversified drilling needs; S4, after the above preparation work is completed, the drilling operation is formally started. First, start the drive motor to make the drill rod rotate at high speed, and then start the electric telescopic column again to make the rotating disc drive the flange plate to move upwards, so that the high-speed rotating drill rod contacts the flange plate and performs drilling. During drilling, the ball continuously limits the drill rod to ensure the perpendicularity and accuracy of drilling. After drilling is completed, sequentially turn off the motors and electric telescopic columns and other equipment, then reverse the bidirectional threaded rod to loosen the clamping plate, and remove the transmission flange plate after drilling from the rotating disc. Finally, clean up the debris on the processing platform, check the wear of each part, and replace or repair it in time if damaged, so that the next operation can be smoothly carried out.

[0016] Compared with the prior art, the beneficial effects of the present application are: the structure of the present application is scientific and reasonable, safe and convenient to use: the staff can quickly replace the corresponding arc-shaped clamping plate according to the actual size of the flange plate, and the moving block and the clamping plate can be driven to move synchronously by rotating the bidirectional threaded rod, realizing quick clamping and fixing of the flange plate, shortening the flange plate fixing time, improving the fixing efficiency, breaking through the size limitation of the traditional fixing mechanism on the flange plate, and expanding the application range of the drilling device, which can meet the processing needs of different specifications of transmission flange plates; The ball inside the mounting ring is in close contact with the outer side of the drill rod, can limit and guide the rotating drill rod in real time, effectively avoids the deviation and shaking of the drill rod in the drilling process, ensures the coaxiality of the drill rod, and when the mounting ring is in contact with the top surface of the flange plate, the spring telescopic column is gradually compressed, the spring telescopic column can be accurately positioned and limited in real time, even in the process of changing the drilling depth, the stable limiting of the drilling position can be continuously maintained, the position accuracy and hole diameter accuracy of the flange plate drilling are significantly improved, and the flange plate after processing can meet the high-precision assembly requirements. The flange plate can be conveniently drilled at different positions, the application range of the drilling device can be expanded, personnel is not required to disassemble the flange plate to drill different positions after the flange plate is installed, the drilling efficiency of the flange plate is improved, the drilling process can be cooled, the accuracy of drilling is ensured, the cooling position can be on the outer side of the drill rod at all times, the drill rod can be better cooled, manual adjustment of the cooling position is not required, the labor intensity of personnel is reduced, and the drilling efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, for explaining the present application, and do not constitute a limitation of the present application.

[0018] In the drawings: Figure 1 is a structural schematic diagram of the present application; Figure 2 is a driving motor mounting structure schematic diagram of the present application; Figure 3 is a clamping plate mounting structure schematic diagram of the present application; Figure 4 is a two-way threaded rod mounting structure schematic diagram of the present application; Figure 5 is a ball mounting structure schematic diagram of the present application; Figure 6 is a mounting ring mounting structure schematic diagram of the present application; Figure 7 is a mounting ring mounting structure schematic diagram of the present application; Label in the figure: 1, machining platform; 2, fixed rod; 3, driving motor; 4, driving screw; 5, limiting rod; 6, mounting block; 7, driving motor; 8, drill rod; 9, electric telescopic column; 10, rotating motor; 11, rotating disc; 12, two-way threaded rod; 13, moving block; 14, mounting rod; 15, clamping plate; 17, spring telescopic column; 18, mounting ring; 19, fixed column; 20, ball; 21, fixed box; 22, filter screen; 23, water pump; 24, water outlet pipe; 25, fixed ring; 26, water outlet hole. Detailed Implementation

[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0020] Example: Figures 1-7 As shown, the present invention provides a technical solution: a high-precision drilling mechanism for a transmission flange, comprising a processing platform 1, a fixing rod 2 mounted on one end of the processing platform 1 by screws, a drive motor 3 mounted on the top of the fixing rod 2 by screws, a drive screw 4 fixedly connected to the output shaft of the drive motor 3, an installation block 6 threadedly connected to the outside of the drive screw 4, a limit rod 5 mounted on the bottom of the fixing rod 2 by screws, a drive motor 7 fixedly mounted inside the installation block 6, and a drill rod 8 fixedly connected to the output shaft of the drive motor 7. An electric telescopic column 9 is installed at the bottom of the processing platform 1 by screws. A rotary motor 10 is installed at one end of the electric telescopic column 9 by screws. A rotating disk 11 is fixedly connected to the top of the rotating motor 10. A bidirectional threaded rod 12 is rotatably connected to one end of the rotating disk 11. Both ends of the bidirectional threaded rod 12 are threadedly connected to moving blocks 13. Both ends of the moving blocks 13 are slidably connected to mounting rods 14. The tops of the two mounting rods 14 are connected by clamping plates 15. A spring telescopic column 17 is installed at one end of the bottom of the mounting block 6 by screws. A mounting ring 18 is installed at the bottom of the spring telescopic column 17 by screws. Fixing columns 19 are evenly installed inside the mounting ring 18 by screws. A ball bearing 20 is embedded and rotatably connected at one end of the fixing column 19.

[0021] The end face of the mounting block 6 is in contact with the end face of the limiting rod 5 to ensure the stability of the movement of the limiting rod 5 and to prevent the limiting rod 5 from rotating during movement.

[0022] The processing platform 1 has a corresponding slot for the output shaft of the rotary motor 10. A slider is slidably connected inside the moving slot. The output shaft is rotatably embedded inside the slider to ensure the stability of the movement of the rotary motor 10 and avoid the problem of shaking when the rotary motor 10 moves. It can also realize the movement of the rotating disk 11.

[0023] A moving groove is provided at the position of the rotating disk 11 corresponding to the moving block 13. The outer side of the moving block 13 is in contact with the inner wall of the moving groove to ensure the stability of the moving block 13 and avoid the problem of rotation when the moving block 13 moves.

[0024] The movable block 13 has an installation groove at the position corresponding to the mounting rod 14. The outer diameter of the mounting rod 14 is equal to the inner diameter of the installation groove. The clamping plate 15 is arc-shaped, which facilitates the clamping of the flange and the installation of the clamping plate 15, ensuring the stability of the clamping plate 15 after installation.

[0025] The mounting ring 18 is outside the drill rod 8, and the outer side of the ball 20 is in contact with the outer side of the drill rod 8, facilitating the limiting treatment of the drill rod 8 and ensuring the stability of the drill rod 8 during drilling.

[0026] The bottom of the machining platform 1 is fixedly provided with a fixed box 21, the top of the fixed box 21 is provided with a filter screen 22 through a screw, one end of the fixed box 21 is provided with a water pump 23 through a screw, the water outlet end of the water pump 23 is fixedly connected with a water outlet pipe 24, the top of the water outlet pipe 24 is fixedly provided with a fixed ring 25, a plurality of water outlet holes 26 are uniformly arranged in the fixed ring 25, and the fixed ring 25 is fixedly installed on the top of the mounting ring 18.

[0027] The personnel rotates different clamping plates 15 according to the size of the flange, then moves the clamping plate 15 to the top of the moving block 13, realizes the installation of the clamping plate 15, places the flange on the top of the rotating disc 11, then rotates the two-way threaded rod 12, realizes the movement of the moving block 13 and the clamping plate 15 through the threaded connection between the two-way threaded rod 12 and the moving block 13, clamps the flange, realizes the fixation of the flange, facilitates the fixation of the flange, improves the fixation efficiency of the flange, and facilitates the personnel to select different clamping plates 15 to clamp different flanges, thereby expanding the application range of the drilling device; Then the personnel starts the driving motor 3 to drive the rotation of the screw rod 4, realizes the movement of the mounting block 6 through the threaded connection between the screw rod 4 and the mounting block 6, and drives the movement of the driving motor 7, realizes the movement of the drill rod 8, drills the flange, in this process, with the movement of the mounting block 6, the mounting ring 18 moves, the spring telescopic column 17 is gradually compressed after the mounting ring 18 contacts the top surface of the flange, in the drilling process, the drilling position can be limited, the accuracy of drilling is ensured, the ball 20 contacts the outer side of the drill rod 8, the drill rod 8 is limited, and the accuracy of the flange drilling is ensured; The personnel opens the electric telescopic column 9 to drive the movement of the rotating motor 10 and the rotating disc 11, and opens the rotating motor 10 to drive the rotation of the rotating disc 11, which facilitates the drilling of the flange at different positions, expands the application range of the drilling device, and improves the drilling efficiency of the flange.

[0028] When the personnel drills, the water pump 23 is started, the coolant in the fixed box 21 enters the water outlet pipe 24 through the water pump 23, then enters the fixed ring 25, and is sprayed out through the water outlet holes 26, which can cool during drilling, ensure the accuracy of drilling, and keep the cooling position on the outer side of the drill rod 8, which can better cool the drill rod 8, without manual adjustment of the cooling position, reducing the labor intensity of the personnel, and improving the drilling efficiency.

[0029] Finally, it should be noted that the above only describes the preferred examples of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications can be made to the technical solutions described in the foregoing embodiments, or equivalent replacements can be made to some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-precision drilling mechanism for transmission flange plates, comprising a machining platform (1), characterized in that: The movable drill rod (8) is arranged on the top of the machining platform (1), the drill rod (8) is driven to rotate by the driving motor (7), the drill rod (8) is moved by the driving motor (3), the top of the machining platform (1) is provided with a rotating disc (11), the rotating disc (11) is provided with a clamping plate (15) for clamping the flange plate, the rotating disc (11) is driven to move by the electric telescopic column (9), the rotating disc (11) is driven to rotate by the rotating motor (10), and the outer side of the drill rod (8) is provided with a ball (20) for limiting the drill rod (8).

2. The high-precision drilling mechanism for transmission flange plates according to claim 1, characterized in that, One end of the machining platform (1) is provided with a fixed rod (2) through screws, the top of the fixed rod (2) is provided with a driving motor (3) through screws, the output shaft of the driving motor (3) is fixedly connected with a driving screw (4), the outer side of the driving screw (4) is connected with a mounting block (6) through threads, the bottom of the fixed rod (2) is provided with a limiting rod (5) through screws, the inside of the mounting block (6) is fixedly provided with a driving motor (7), the output shaft of the driving motor (7) is fixedly connected with a drill rod (8).

3. The high-precision drilling mechanism for transmission flange plates according to claim 1, characterized in that, The bottom of the machining platform (1) is provided with an electric telescopic column (9) through screws, one end of the electric telescopic column (9) is provided with a rotating motor (10) through screws, the top of the rotating motor (10) is fixedly connected with a rotating disc (11), one end of the rotating disc (11) is embeddedly and rotatably connected with a bidirectional threaded rod (12) inside, the outer side of the bidirectional threaded rod (12) is connected with a moving block (13) through threads at both ends, the inside of the moving block (13) is slidably connected with a mounting rod (14) at both ends, and the top of the two mounting rods (14) is connected through a clamping plate (15).

4. The high-precision drilling mechanism for transmission flange plates according to claim 2, characterized in that, One end of the bottom of the mounting block (6) is provided with a spring telescopic column (17) through screws, the bottom of the spring telescopic column (17) is provided with a mounting ring (18) through screws, the inside of the mounting ring (18) is uniformly provided with a fixed column (19) through screws, and one end of the fixed column (19) is rotatably connected with a ball (20) inside.

5. The high-precision drilling mechanism for transmission flange plates according to claim 3, characterized in that, The machining platform (1) is provided with a corresponding groove corresponding to the output shaft of the rotating motor (10), a sliding block is slidably connected in the moving groove, and the output shaft is rotatably embedded in the inside of the sliding block.

6. The high-precision drilling mechanism for transmission flange plates according to claim 2, characterized in that, The end face of the mounting block (6) and the end face of the limiting rod (5) are in contact with each other.

7. The high-precision drilling mechanism for transmission flange plates according to claim 3, characterized in that, The rotating disc (11) is provided with a moving groove at the position of the moving block (13), and the outer side of the moving block (13) is in contact with the inner wall of the moving groove.

8. The high-precision drilling mechanism for transmission flange plates according to claim 3, characterized in that, The moving block (13) is provided with a mounting groove at the position of the mounting rod (14), the outer diameter of the mounting rod (14) is equal to the inner diameter of the mounting groove, and the clamping plate (15) is arc-shaped. The mounting ring (18) is located on the outer side of the drill rod (8), and the outer side of the ball (20) is in contact with the outer side of the drill rod (8).

9. The high-precision drilling mechanism for transmission flange plates according to claim 4, characterized in that, The bottom of the processing platform (1) is fixedly provided with a fixed box (21), the top of the fixed box (21) is provided with a filter screen (22) through a screw, one end of the fixed box (21) is provided with a water pump (23) through a screw, the water outlet end of the water pump (23) is fixedly connected with a water outlet pipe (24), the top of the water outlet pipe (24) is fixedly provided with a fixed ring (25), a plurality of water outlet holes (26) are uniformly formed in the fixed ring (25), and the fixed ring (25) is fixedly installed on the top of the mounting ring (18).

10. A method of using a high-precision drilling mechanism for transmission flange plate, comprising a high-precision drilling mechanism for transmission flange plate according to claim 1, characterized in that, The method comprises the following steps: S1, carefully check whether the processing platform (1) is placed stably, whether the connecting screws between the parts are loose, ensure that the wiring of the key electrical components such as the driving motor (3), the electric telescopic column (9), the rotating motor (10) and the like is accurate and free from damage, and at the same time check whether the ball (20) is installed firmly and rotates smoothly. After completing the equipment inspection, the transmission flange plate to be drilled is stably placed at the appropriate position on the top of the rotating disc (11), and the flange plate is placed stably to lay a foundation for the subsequent clamping and drilling operation; S2, start the bidirectional threaded rod (12), and through the threaded connection relationship between the bidirectional threaded rod (12) and the moving block (13) and the limiting action of the mounting rod (14) on the moving block (13), the two moving blocks (13) move towards each other, and then the mounting rod (14) drives the arc-shaped clamping plate (15) to gradually approach and tightly clamp the flange plate, so that the flange plate is stably fixed. Then, according to the position of the flange plate to be drilled, the position of the drill rod (8) is adjusted. Start the driving motor (3), drive the driving screw (4) to rotate, and under the limiting of the limiting rod (5), the mounting block (6) moves horizontally, thereby driving the driving motor (7) and the drill rod (8) in the mounting block (6) to move horizontally, and the drill rod (8) is moved to the position directly above the position to be drilled. At the same time, start the electric telescopic column (9), drive the flange plate to move vertically through the rotating motor (10) and the rotating disc (11), so that the flange plate and the drill rod (8) are at a proper vertical distance, and prepare for accurate drilling; S3, during the position adjustment of the drill rod (8), the mounting ring (18) installed on the bottom of the mounting block (6) through the spring telescopic column (17) and the ball (20) inside the mounting ring (18) play an important role. The spring telescopic column (17) can automatically expand and contract according to the movement of the drill rod (8), so that the ball (20) is always in close contact with the outside of the drill rod (8), effectively limiting the drill rod (8), preventing the drill rod (8) from deviating during rotation and movement, and ensuring the accuracy of drilling. If drilling is needed at different positions or specific angles of the flange plate, the rotating motor (10) can be started to drive the rotating disc (11) and the flange plate to rotate, so as to accurately adjust the next drilling position to be directly below the drill rod (8), so as to meet the diversified drilling requirements. S4, after the preparation work is completed, officially open drilling operation. First start driving motor (7), make drill pipe (8) high speed rotation, and then start electric telescopic column (9) again, let the rotating disc (11) flange plate driven upward movement, make high speed rotating drill pipe (8) and flange plate contact and carry out drilling. During drilling, the ball (20) continues to limit the drill pipe (8), ensure the verticality and accuracy of drilling. After drilling, in turn close each motor and electric telescopic column (9) and other equipment, then reverse rotation of the double threaded rod (12), loosen the clamping plate (15), the drilling completed from the rotating disc (11) transmission flange plate is taken down. Finally, clean up the debris on the processing platform (1), check the wear and tear of each part, if damaged in time to replace or repair, so that the next operation can be carried out smoothly.

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