CN116480275B - A drilling machine for tunnel construction - Google Patents

Abstract

The invention discloses a drilling machine for tunnel construction, which comprises a multi-terrain fixed crawler traveling vehicle, a scissor fork type lifter and a vibration suppression type drilling mechanism, wherein the scissor fork type lifter is arranged on the multi-terrain fixed crawler traveling vehicle, and the vibration suppression type drilling mechanism is arranged above the scissor fork type lifter; the vibration suppression type drilling mechanism comprises a drilling base, a circumferential positioning type reciprocating movement assembly and a magnetic damping vibration suppression drilling device, wherein the circumferential positioning type reciprocating movement assembly is arranged on the drilling base, and the magnetic damping vibration suppression drilling device is arranged on the circumferential positioning type reciprocating movement assembly. The invention belongs to the technical field of tunnel punching, and particularly provides a drilling machine for tunnel construction, which can be adaptively adjusted and fixed according to terrains, can inhibit vibration transmission during drilling and can reduce vibration transmission rate.

Description

A drilling machine for tunnel construction

Technical field

The invention belongs to the technical field of tunnel drilling, and specifically refers to a drilling machine for tunnel construction.

Background technique

When the auxiliary facilities on the inner wall of the tunnel are installed on the inner wall of the tunnel, installation holes need to be drilled on the inner wall of the tunnel first. Since there are many types and large quantities of auxiliary facilities on the inner wall of the tunnel, the demand for installation holes on the inner wall of the tunnel is large.

The drilling construction technology in tunnel construction is still a relatively backward manual operation method, and manual operation has many shortcomings. When drilling, vibration will be generated, which requires the operator to use force to fix it, and manual operation requires hand-held electric power for each drilling operation. The angle, advancement speed and depth of the hammer are inconsistent, the drilling quality is not guaranteed, and the repeatability is poor. In addition, when drilling by hand, it is easy to shift, and the rock surface in the tunnel is uneven, making it difficult to achieve stable fixation and making it difficult to drill accurately. hole.

In addition, in the existing technology, although there are also automatic drilling trolleys or robots, the vibration generated during drilling will be transmitted to the trolley or robot, resulting in poor equipment stability.

Contents of the invention

In view of the above situation, in order to overcome the shortcomings of the prior art, the present invention provides a drilling machine for tunnel construction that can adaptively adjust and fix according to the terrain, while suppressing vibration transmission during drilling and reducing the vibration transmission rate.

The technical solution adopted by the present invention is as follows: The present invention provides a drilling machine for tunnel construction, which includes a multi-terrain fixed crawler traveling vehicle, a scissor lift and a vibration suppression drilling mechanism. The scissor lift is located on a multi-terrain On the terrain-fixed crawler traveling vehicle, the upper wall of the scissor lift is provided with a rotating support, and the vibration-suppressing drilling mechanism is rotated at the upper end of the rotating support, between the scissor lift and the vibration-suppressing drilling mechanism. It is equipped with an adjusting electric hydraulic rod. By adjusting the expansion and contraction of the electric hydraulic rod, the angle of the vibration-suppressed drilling mechanism can be adjusted to facilitate multi-angle drilling.

Wherein, the vibration-suppressed drilling mechanism includes a drilling base, a circumferentially positioned reciprocating assembly and a magnetic damping and vibration-suppressing drilling device. The circumferentially positioned reciprocating assembly is located on the drilling base, and the magnetic damping suppresses The vibration drilling device is located on a circumferentially positioned reciprocating assembly. The circumferentially positioned reciprocating assembly includes a driving seat, a moving screw, a guide slider, a moving threaded sleeve and a positioning ring seat. The driving seat and positioning ring seat Fixedly installed at both ends of the upper wall of the drilling base, the moving screw is rotated between the driving seat and the positioning ring seat. The moving screw is distributed in a circumferential array around the axis of the positioning ring seat. The guide slide rod is located at the driving seat and the positioning ring seat. Between the ring seats, the guide sliding rods are distributed in a circumferential array around the axis of the positioning ring seat. The moving screw rod and the guide sliding rod are arranged in parallel. The moving threaded sleeve is sleeved on the moving screw rod. The moving threaded sleeve is threadedly connected to the moving screw rod. The magnetic damping and vibration suppression drilling device is provided with a sliding sleeve on the side wall, and the sliding sleeve is slidably located on the guide slide rod. The magnetic damping and vibration suppression drilling device is located at the center of multiple sets of moving screws and guide slide rods. The magnetic damping and vibration suppression drilling device is fixedly connected to the moving threaded sleeve. The driving seat is provided with a driving cavity. The driving cavity is provided with a gear assembly. The side wall of the driving base is provided with a moving motor. The gear assembly is connected to the moving sleeve. The screws are connected, and the mobile motor drives the mobile screw to rotate through the gear assembly. The rotation of the mobile screw drives the magnetic damping and vibration suppression drilling device to slide along the mobile screw and guide slider through the mobile threaded sleeve, thereby advancing drilling.

Further, the gear assembly includes a sun gear and a driven planetary gear. The sun gear is rotatably located in the drive cavity. The sun gear and the positioning ring seat are coaxially arranged. The moving motor is fixedly mounted on the side wall of the drive seat. The output shaft of the mobile motor is coaxially fixed with the sun gear. The driven planetary gears are rotated in the drive cavity. The driven planetary gears are distributed in an array around the circumference of the sun gear. The central axis of the driven planetary gears is respectively connected with the moving screw. The central shaft is coaxially fixed, and the mobile motor drives the center gear to rotate. The central gear drives multiple sets of driven planetary gears to rotate synchronously. The driven planetary gears drive multiple sets of moving screws to rotate synchronously, thereby driving magnetic damping and vibration suppression by moving the threaded sleeve. The drilling device moves smoothly along the moving screw and guide slide.

Wherein, the magnetic damping and vibration suppression drilling device includes a drilling driving component, a drill bit and a magnetic damping and vibration suppressing component. The magnetic damping and vibration suppressing components are distributed in a circumferential array around the side wall of the drilling driving component, and the drill bit is installed on the drilling hole. Driving assembly, the drilling driving assembly includes a driving shell and a drilling motor arranged inside the driving shell. The drill bit is coaxially fixedly connected to the output end of the drilling motor. The drilling motor drives the drill bit to rotate for drilling, and the drill bit is connected to the output end of the drilling motor. The positioning ring seat is arranged coaxially, and the magnetic damping and vibration suppression components are distributed in a circumferential array on the side wall of the drive housing. The magnetic damping and vibration suppression components are respectively fixedly connected to the moving threaded sleeve and the sliding sleeve. The magnetic damping and vibration suppression components include Hydraulic damper, fixed cylinder, fixed magnet, electromagnetic coil and Hall sensor. The hydraulic damper is located outside the drive shell. The fixed cylinder is fixedly connected to the moving threaded sleeve and the sliding sleeve respectively. The end of the hydraulic damper The fixed cylinder is slidably installed in the fixed cylinder, and the fixed magnet is fixedly connected to the side wall of the drive housing. The side of the fixed cylinder away from the drive housing is provided with a magnetic control cavity, and the electromagnetic coil is located in the magnetic control cavity. The Hall sensor is located in the magnetic control cavity, and the electromagnetic coil, fixed cylinder, hydraulic damper and fixed magnet are arranged coaxially. A controller is provided inside the driving shell, and the controller is electrically connected to the electromagnetic coil and the Hall sensor respectively. The hydraulic damper dampens and suppresses the vibration generated during drilling. At the same time, the Hall sensor detects changes in the magnetic field in real time and feeds it back to the controller. The controller adjusts the current based on the detection results of the Hall sensor, thereby changing the pair of electromagnetic coils. The suction force of the fixed magnet keeps the drive shell always located at the center of multiple magnetic damping and vibration suppression components, ensuring the stability of the drive shell and stably aligning the axis of the drill bit with the positioning ring seat.

Among them, the Hall sensor uses linear Hall element HW-101A, which has a small package, is easy to install and saves space, has high temperature resistance and high sensitivity, and the controller uses STC89C51 microcontroller.

More specifically, the bottom wall of the drilling base and the upper wall of the scissor lift are respectively provided with connecting pin seats, and the two ends of the adjusting electro-hydraulic rod are respectively provided with pin heads, and the pin heads are respectively connected to the connecting pin through the pin shaft The bases are connected by rotation.

Wherein, the end face array of the positioning ring seat away from the moving screw is provided with a sliding oil chamber open on one side, a piston is slidably installed in the sliding oil chamber, and a positioning nail is fixedly fixed on the side wall of the piston. The end of the cavity close to the moving screw is connected with an oil supply chamber. There is a hydraulic sensor in the oil supply chamber. There is an oil supply end on the scissor lift. The oil supply end includes an oil tank and an oil pump group. The oil pump group and the oil tank pass through the oil supply pipe. The oil supply pipeline and the oil return pipeline are connected with the oil supply cavity. Solenoid valves are respectively provided on the oil supply pipeline and the oil return pipeline to control the on/off of the pipelines. The controller is electrically connected to the hydraulic sensor, the solenoid valve, and the oil supply end.

The scissor lift is an existing mature technology and will not be described again here.

Further, the multi-terrain fixed crawler traveling vehicle includes a vehicle body and an auxiliary fixed crawler assembly that is rotatably installed on the vehicle body. The vehicle body is provided with symmetrically rotating crawler wheels, and the crawler body is wound around the outside of the crawler wheels. The vehicle body is provided with a traveling motor, and the output shaft of the traveling motor is connected to the track wheels. The traveling motor drives the track wheels to rotate, thereby driving the crawler tracks to rotate. The auxiliary fixed crawler track components are rotated and installed at the four corners of the vehicle body. The auxiliary fixed crawler tracks are rotated. A fixed electro-hydraulic rod is connected between the component and the vehicle body. The expansion and contraction of the fixed electro-hydraulic rod drives the auxiliary fixed crawler component to rotate and adjust the angle, thereby adapting to different terrains for fixed support.

More specifically, the auxiliary fixed crawler track assembly includes an auxiliary pulley, a fixed bracket, a driven pulley and a driven crawler track. The auxiliary pulley is coaxially fixed to the side wall of the crawler wheel, and one end of the fixed bracket is connected to the auxiliary belt. The axle part is connected in rotation, the driven pulley is rotated on the side wall of the other end of the fixed bracket, the driven track is wound around the auxiliary pulley and the outside of the driven pulley, and one end of the fixed electro-hydraulic rod is connected to the side of the vehicle body. The wall is rotated and connected, and the other end of the fixed electro-hydraulic rod is connected to the side wall of the fixed bracket. Through the expansion and contraction of the fixed electro-hydraulic rod, the fixed bracket is driven to rotate around the axis of the auxiliary pulley, thereby driving the driven pulley to rotate downward and come into close contact with the ground. The driven pulleys at the four corners of the vehicle body are in contact with the ground respectively, thereby ensuring the stability of the vehicle body, reinforcing the stability of the vehicle body during drilling, and adapting to different terrains.

Furthermore, the upper wall of the vehicle body is provided with lighting lamps to facilitate providing light for the working environment.

The beneficial effects achieved by the present invention using the above structure are as follows: This solution provides a drilling machine for tunnel construction. First, a multi-terrain fixed crawler traveling vehicle is installed, and the inclination angles of multiple sets of auxiliary fixed crawler assemblies are adjusted through fixed electro-hydraulic rods. , thereby driving the driven pulley to rotate downward and in close contact with the ground, and the driven pulleys at the four corners of the vehicle body are in contact with the ground respectively, thereby ensuring the stability of the vehicle body, reinforcing the stability of the vehicle body during drilling, and adapting to different terrains; Secondly, in order to solve the problem of easy vibration during drilling operations, a magnetic damping and vibration suppression drilling device is installed. Through the synergy of hydraulic damper and magnetic force, it can effectively suppress the vibration generated by drilling while ensuring the stability of drilling. , reduce the vibration transmissibility. The hydraulic damper dampens and suppresses the vibration generated during drilling. At the same time, the Hall sensor detects changes in the magnetic field in real time and feeds it back to the controller. The controller adjusts the current based on the detection results of the Hall sensor, thereby Change the attraction force of the electromagnetic coil to the fixed magnet so that the drive shell is always located at the center of multiple magnetic damping and vibration suppression components, ensuring the stability of the drive shell and stably aligning the axis of the drill bit with the positioning ring seat; finally, through hydraulic cooperation with multiple sliding settings The positioning nails fit the rock wall for positioning, which has high stability and is not prone to deviation.

Description of the drawings

Figure 1 is a schematic structural diagram of a drilling machine for tunnel construction provided by the present invention;

Figure 2 is a schematic structural diagram of a drilling machine for tunnel construction provided by the present invention from another perspective;

Figure 3 is a side view of a drilling machine for tunnel construction provided by the present invention;

Figure 4 is a schematic structural diagram of the vibration-suppressed drilling mechanism provided by the present invention;

Figure 5 is a schematic structural diagram of the vibration-suppressed drilling mechanism provided by the present invention from another perspective;

Figure 6 shows the usage state of the vibration-suppressed drilling mechanism provided by the present invention;

Figure 7 is a schematic diagram of the combined structure of the magnetic damping and vibration suppression assembly and the drilling drive assembly provided by the present invention;

Figure 8 is a schematic diagram of the internal structure of the magnetic damping and vibration suppression component provided by the present invention;

Figure 9 is a cross-sectional view of the drill bit and drilling driving assembly provided by the present invention;

Figure 10 is a cross-sectional view of the drive chamber provided by the present invention;

Figure 11 is a cross-sectional view of the positioning ring seat provided by the present invention.

Among them, 1. Multi-terrain fixed crawler vehicle, 2. Scissor lift, 3. Vibration suppression drilling mechanism, 4. Rotating support, 5. Adjusting electro-hydraulic rod, 6. Drilling base, 7. Circular positioning Type reciprocating moving assembly, 8. Magnetic damping and vibration suppression drilling device, 9. Driving seat, 10. Moving screw, 11. Guide slide rod, 12. Moving threaded sleeve, 13. Positioning ring seat, 14. Sliding sleeve, 15. Drive cavity, 16. Mobile motor, 17. Gear assembly, 18. Center gear, 19. Driven planetary gear, 20. Drilling drive assembly, 21. Drill bit, 22. Magnetic damping and vibration suppression assembly, 23. Drive housing , 24. Drilling motor, 25. Hydraulic damper, 26. Fixed cylinder, 27. Fixed magnet, 28. Electromagnetic coil, 29. Hall sensor, 30. Magnetic control chamber, 31. Controller, 32. Connection pin seat , 33. Pin head, 34. Pin shaft, 35. Sliding oil chamber, 36. Piston, 37. Positioning pin, 38. Oil supply chamber, 39. Hydraulic sensor, 40. Oil supply end, 41. Oil tank, 42. Oil pump Group, 43. Solenoid valve, 44. Vehicle body, 45. Auxiliary fixed track assembly, 46. Track wheel, 47. Track body, 48. Travel motor, 49. Fixed electro-hydraulic rod, 50. Auxiliary pulley, 51. Fixed Bracket, 52, driven pulley, 53, driven track, 54, lighting.

The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them; based on The embodiments of the present invention and all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific location. orientation, construction and operation, and therefore should not be construed as limitations of the present invention.

As shown in Figures 1-3, the present invention provides a drilling machine for tunnel construction including a multi-terrain fixed crawler traveling vehicle 1, a scissor lift 2 and a vibration-suppressed drilling mechanism 3. The scissor lift 2 is installed on the multi-terrain fixed crawler traveling vehicle 1. The upper wall of the scissor lift 2 is provided with a rotating support 4. The vibration-suppressing drilling mechanism 3 is rotated and installed on the upper end of the rotating support 4. The scissor lift 2 There is an adjusting electro-hydraulic rod 5 between 2 and the vibration-suppressing drilling mechanism 3. By adjusting the expansion and contraction of the electro-hydraulic rod 5, the angle of the vibration-suppressing drilling mechanism 3 is adjusted to facilitate multi-angle drilling.

Referring to Figures 1 to 3, the multi-terrain fixed crawler traveling vehicle 1 includes a vehicle body 44 and an auxiliary fixed crawler assembly 45 rotatably provided on the vehicle body 44. The vehicle body 44 is provided with symmetrically rotating crawler wheels 46, so A crawler body 47 is arranged around the outside of the crawler wheel 46. A traveling motor 48 is provided on the vehicle body 44. The output shaft of the traveling motor 48 is connected to the crawler wheel 46. The traveling motor 48 drives the crawler wheel 46 to rotate, thereby driving the crawler track to rotate. The auxiliary fixed crawler assembly 45 is rotatably installed at the four corners of the vehicle body 44. A fixed electro-hydraulic rod 49 is connected between the auxiliary fixed crawler assembly 45 and the vehicle body 44. The auxiliary fixed crawler assembly 45 is driven by the expansion and contraction of the fixed electro-hydraulic rod 49. The angle can be adjusted by rotation to adapt to different terrains for fixed support; the upper wall of the vehicle body 44 is provided with a lighting lamp 54 to facilitate providing light for the working environment.

As shown in Figures 2 and 3, the auxiliary fixed crawler track assembly 45 includes an auxiliary pulley 50, a fixed bracket 51, a driven pulley 52 and a driven crawler track 53. The auxiliary pulley 50 is coaxially fixed to the crawler track. The side wall of the wheel 46, one end of the fixed bracket 51 is rotatably connected to the shaft of the auxiliary pulley 50, the driven pulley 52 is rotated on the other end side wall of the fixed bracket 51, and the driven crawler 53 is wound around the auxiliary pulley 50 and the auxiliary pulley 50. Outside the driven pulley 52, one end of the fixed electro-hydraulic rod 49 is rotatably connected to the side wall of the vehicle body 44, and the other end of the fixed electro-hydraulic rod 49 is rotatably connected to the side wall of the fixed bracket 51. Through the expansion and contraction of the fixed electro-hydraulic rod 49 The fixed bracket 51 is driven to rotate around the axis of the auxiliary pulley 50, thereby driving the driven pulley 52 to rotate downward and come into close contact with the ground. The driven pulleys 52 at the four corners of the vehicle body 44 are in contact with the ground respectively, thereby ensuring the stability of the vehicle body 44. It is stable, strengthens the stability of the vehicle body 44 when drilling, and adapts to different terrains.

As shown in Figures 4-6, the vibration-suppressed drilling mechanism 3 includes a drilling base 6, a circumferentially positioned reciprocating assembly 7, and a magnetic damping and vibration-suppressing drilling device 8. The circumferentially positioned reciprocating assembly 7 Set on the drilling base 6, the magnetic damping and vibration suppression drilling device 8 is set on the circumferential positioning reciprocating assembly 7. The circumferential positioning reciprocating assembly 7 includes a driving base 9, a moving screw 10, and a guide slide rod. 11. Move the threaded sleeve 12 and the positioning ring seat 13. The driving seat 9 and the positioning ring seat 13 are fixedly installed on both ends of the upper wall of the drilling base 6. The moving screw 10 is rotatably installed on the driving seat 9 and the positioning ring. Between the seats 13, the moving screws 10 are distributed in a circumferential array around the axis of the positioning ring seat 13. The guide slide rods 11 are arranged between the drive seat 9 and the positioning ring seat 13. The guide slide rods 11 are distributed in a circumferential array around the axis of the positioning ring seat 13. , the moving screw 10 and the guide slide 11 are arranged in parallel, the moving threaded sleeve 12 is sleeved on the moving screw 10, the moving threaded sleeve 12 is threadedly connected to the moving screw 10, the magnetic damping and vibration suppression drilling device 8 side The wall is provided with a sliding sleeve 14. The sliding sleeve 14 is slidably provided on the guide slide rod 11. The magnetic damping and vibration suppression drilling device 8 is provided at the center of multiple sets of moving screws 10 and guide slide rods 11. The magnetic damping and vibration suppression drilling device 8 The vibration drilling device 8 is fixedly connected to the moving threaded sleeve 12. The driving seat 9 is provided with a driving cavity 15. The driving cavity 15 is provided with a gear assembly 17. The side wall of the driving base 9 is provided with a moving motor 16. The gear assembly 17 is connected to the moving screw 10. The moving motor 16 drives the moving screw 10 to rotate through the gear assembly 17. The rotation of the moving screw 10 drives the magnetic damping and vibration suppression drilling device 8 along the moving screw 10 and the guide slider through the moving threaded sleeve 12. 11 slides to advance the drilling; the bottom wall of the drilling base 6 and the upper wall of the scissor lift 2 are respectively provided with connecting pin seats 32, and the two ends of the adjusting electro-hydraulic rod 5 are respectively provided with pin heads 33. The heads 33 are rotatably connected to the connecting pin base 32 through pin shafts 34 respectively.

Referring to Figure 10, the gear assembly 17 includes a sun gear 18 and a driven planetary gear 19. The sun gear 18 is rotatably installed in the drive cavity 15. The sun gear 18 is coaxially arranged with the positioning ring seat 13, and the moving motor 16 is fixed. It is connected to the side wall of the driving seat 9. The output shaft of the moving motor 16 is coaxially fixed with the sun gear 18. The driven planet gear 19 is rotated in the drive cavity 15 and the driven planet gear 19 circles around the sun gear 18. Array distribution, the central axis of the driven planetary gear 19 is coaxially fixed with the central axis of the moving screw 10, the moving motor 16 drives the central gear 18 to rotate, the central gear 18 drives multiple sets of driven planetary gears 19 to rotate synchronously, from The moving planetary gear 19 drives multiple sets of moving screws 10 to rotate synchronously, thereby driving the magnetic damping and vibration suppression drilling device 8 to move smoothly along the moving screws 10 and the guide slider 11 by moving the threaded sleeve 12 .

Referring to Figures 7-9, the magnetic damping and vibration suppression drilling device 8 includes a drilling drive assembly 20, a drill bit 21 and a magnetic damping and vibration suppression assembly 22. The magnetic damping and vibration suppression assembly 22 surrounds the side wall of the drilling drive assembly 20. Circular array distribution, the drill bits 21 are installed on the drilling driving assembly 20, the drilling driving assembly 20 includes a driving housing 23 and a drilling motor 24 arranged inside the driving housing 23, the drill bit 21 and the drilling motor 24 are The output end is coaxially fixedly connected, and the drilling motor 24 drives the drill bit 21 to rotate for drilling. The drill bit 21 and the positioning ring seat 13 are coaxially arranged. The magnetic damping and vibration suppression components 22 are distributed in a circumferential array on the side wall of the drive housing 23 , the magnetic damping and vibration suppression component 22 is fixedly connected to the moving threaded sleeve 12 and the sliding sleeve 14 respectively. The magnetic damping and vibration suppression component 22 includes a hydraulic damper 25, a fixed cylinder 26, a fixed magnet 27, an electromagnetic coil 28 and a Hall sensor 29 , the hydraulic damper 25 is disposed outside the drive shell, the fixed sleeve 26 is fixedly connected to the moving threaded sleeve 12 and the sliding sleeve 14 respectively, and the end of the hydraulic damper 25 is slidably disposed in the fixed sleeve 26. The fixed magnet 27 is fixedly installed on the side wall of the driving housing 23. The fixed cylinder 26 is provided with a magnetic control cavity 30 on the side away from the driving housing 23. The electromagnetic coil 28 is located in the magnetic control cavity 30. The Hall sensor 29 Located in the magnetic control cavity 30, the electromagnetic coil 28, the fixed cylinder 26, the hydraulic damper 25 and the fixed magnet 27 are coaxially arranged. The drive housing 23 is provided with a controller 31 inside, and the controller 31 is connected to the electromagnetic coil respectively. 28. The Hall sensor 29 is electrically connected to the hydraulic damper 25 to reduce and suppress the vibration generated during drilling. At the same time, the Hall sensor 29 detects changes in the magnetic field in real time and then feeds back to the controller 31. The controller 31 responds to the Hall sensor 29 The detection result adjusts the current size, thereby changing the attraction force of the electromagnetic coil 28 to the fixed magnet 27, so that the drive shell 23 is always located at the center of the multiple magnetic damping and vibration suppression components 22, ensuring the stability of the drive shell 23, so that the drill bit 21 and the positioning ring The base 13 axis is stably aligned.

The Hall sensor 29 uses a linear Hall element HW-101A, which has a small package, is easy to install and saves space, has high temperature resistance and high sensitivity, and the controller 31 uses an STC89C51 microcontroller.

As shown in Figures 5, 6 and 11, the positioning ring seat 13 is provided with a sliding oil chamber 35 open on one side distributed in an array on the end face away from the moving screw 10, and a piston 36 is slidably provided in the sliding oil chamber 35. The side wall of the piston 36 is fixedly provided with a positioning nail 37. The sliding oil chamber 35 is connected with an oil supply chamber 38 at one end close to the moving screw 10. The oil supply chamber 38 is provided with a hydraulic sensor 39. The scissor lift 2 is An oil supply end 40 is provided. The oil supply end 40 includes an oil tank 41 and an oil pump group 42. The oil pump group 42 and the oil tank 41 are connected to the oil supply cavity 38 through an oil supply pipeline and an oil return pipeline. The oil supply pipeline and the oil return pipeline are respectively A solenoid valve 43 is provided to control the opening and closing of the pipeline. The controller 31 is electrically connected to the hydraulic sensor 39, the solenoid valve 43, and the oil supply end 40.

The scissor lift 2 is an existing mature technology and will not be described again here.

During specific use, the vehicle body 44 is controlled to move to the tunnel operation site by controlling the traveling motor 48, and then multiple sets of fixed electro-hydraulic rods 49 are controlled to expand and contract to different lengths according to the terrain, thereby driving the fixed bracket 51 to rotate around the axis of the auxiliary pulley 50 at different angles. , so that the driven pulleys 52 at the four corners of the vehicle body 44 are all in close contact with the ground. At this time, the four corners of the vehicle body 44 are firmly fixed on the ground, adapting to the concave ground in the tunnel, and avoiding the uneven ground causing the vehicle body 44 to tilt, and due to The driven crawler track 53 increases the friction between the vehicle body 44 and the ground, thereby strengthening the stability of the vehicle body 44 during drilling and preventing the vehicle body 44 from shaking during drilling operations. Then adjust the scissor lift according to the drilling height. At a height of 2, the scissor lift 2 drives the vibration-suppressing drilling mechanism 3 to adjust the height. After the height adjustment is completed, the electro-hydraulic rod 5 is started to adjust, and the electro-hydraulic rod 5 is adjusted to telescopically drive the vibration-suppressing drilling mechanism 3 to rotate and adjust the angle. It is convenient for multi-angle drilling. After the adjustment is completed, the oil supply end 40 is started to supply oil to the oil supply chamber 38. The oil pushes the piston 36 to drive the positioning nail 37 to extend out of the sliding oil chamber 35, thereby pressing against the rock surface. When all positioning When the nails 37 are all pressed against the rock surface, as the oil supply end 40 continues to work, the pressure detected by the hydraulic sensor 39 exceeds the threshold and sends a signal to the controller 31. The controller 31 controls the solenoid valve 43 to close and controls the oil pump. Group 42 stops working. At this time, the positioning ring seat 13 is adaptively fixed to the rock surface, which is not easy to offset and the force is applied evenly. The moving motor 16 and the drilling motor 24 are started. The moving motor 16 drives the center gear 18 to rotate. 18 drives multiple sets of driven planetary gears 19 to rotate synchronously, and the driven planetary gears 19 drive multiple sets of moving screw rods 10 to rotate synchronously, thereby driving the magnetic damping and vibration suppression drilling device 8 along the moving screw rod 10 and the guide slide rod by moving the threaded sleeve 12 11 moves smoothly, the drilling motor 24 drives the drill bit 21 to rotate for drilling, and the drill bit 21 advances forward while rotating. The vibration generated during drilling is transmitted to the hydraulic damper 25 through the drive shell 23, and the hydraulic damper 25 pairs the drilling hole. The generated vibration is damped and suppressed. At the same time, the Hall sensor 29 detects changes in the magnetic field in real time, and then feeds back to the controller 31. The controller 31 adjusts the current according to the detection results of the Hall sensor 29, thereby changing the force of the electromagnetic coil 28 to the fixed magnet 27. The suction force overcomes the deflection of the drive housing 23 caused by drilling vibration, so that the drive housing 23 is always located at the center of the multiple magnetic damping and vibration suppression components 22, ensuring the stability of the drive housing 23, so that the axis of the drill bit 21 and the positioning ring seat 13 After stably aligning and drilling, control the moving motor 16 to reverse.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

The present invention and its embodiments have been described above. This description is not limiting. What is shown in the drawings is only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person of ordinary skill in the art is inspired by the invention and without departing from the spirit of the invention, can devise structural methods and embodiments similar to the technical solution without inventiveness, they shall all fall within the protection scope of the invention.

Claims (7)

1. The utility model provides a drilling machine for tunnel construction which characterized in that: the device comprises a multi-terrain fixed crawler traveling vehicle, a scissor fork type lifter and a vibration suppression type drilling mechanism, wherein the scissor fork type lifter is arranged on the multi-terrain fixed crawler traveling vehicle, and the vibration suppression type drilling mechanism is arranged above the scissor fork type lifter; the vibration suppression type drilling mechanism comprises a drilling base, a circumferential positioning type reciprocating movement assembly and a magnetic damping vibration suppression drilling device, wherein the circumferential positioning type reciprocating movement assembly is arranged on the drilling base, and the magnetic damping vibration suppression drilling device is arranged on the circumferential positioning type reciprocating movement assembly; the magnetic damping vibration suppression drilling device comprises a drilling driving assembly, a drill bit and a magnetic damping vibration suppression assembly, wherein the magnetic damping vibration suppression assembly is arranged on the circumferential positioning type reciprocating movement assembly, the magnetic damping vibration suppression assembly is distributed around the circumferential array of the side wall of the drilling driving assembly, and the drill bit is arranged on the drilling driving assembly;

the magnetic damping vibration suppression assembly is distributed on the side wall of the drilling driving assembly in a circumferential array manner, the magnetic damping vibration suppression assembly is respectively provided with a movable threaded sleeve and a sliding sleeve, the magnetic damping vibration suppression assembly comprises a hydraulic damper, a fixed cylinder, a fixed magnet, an electromagnetic coil and a Hall sensor, the hydraulic damper is arranged on the outer side of the drilling driving assembly, the fixed cylinder is fixedly connected with the movable threaded sleeve and the sliding sleeve respectively, the end part of the hydraulic damper is slidably arranged in the fixed cylinder, the fixed magnet is fixedly connected on the side wall of the drilling driving assembly, one side of the fixed cylinder, which is far away from the drilling driving assembly, is provided with a magnetic control cavity, the electromagnetic coil is arranged in the magnetic control cavity, the Hall sensor is arranged in the magnetic control cavity, the electromagnetic coil, the fixed cylinder, the hydraulic damper and the fixed magnet are coaxially arranged, and a controller is arranged in the drilling driving assembly and is electrically connected with the electromagnetic coil and the Hall sensor respectively;

the circumference positioning type reciprocating movement assembly comprises a driving seat, a moving screw rod, a guide sliding rod and a positioning ring seat, wherein the driving seat and the positioning ring seat are fixedly connected to two ends of the upper wall of the drilling base, the moving screw rod is rotationally arranged between the driving seat and the positioning ring seat, the moving screw rod is circumferentially distributed around the axis of the positioning ring seat, the guide sliding rod is arranged between the driving seat and the positioning ring seat, the guide sliding rod is circumferentially distributed around the axis of the positioning ring seat, the moving screw rod and the guide sliding rod are arranged in parallel, a moving threaded sleeve is sleeved on the moving screw rod, the moving threaded sleeve is in threaded connection with the moving screw rod, the sliding sleeve is slidingly arranged on the guide sliding rod, a magnetic damping vibration suppression drilling device is arranged at the central parts of a plurality of groups of moving screw rods and the guide sliding rod, a driving cavity is arranged in the driving seat, a gear assembly is arranged in the side wall of the driving seat, the gear assembly is connected with the moving screw rod, and the moving motor drives the moving screw rod to rotate through the gear assembly;

the locating ring seat is far away from the terminal surface array distribution of moving screw and is equipped with one side open-ended slip oil pocket, slip oil pocket is interior to slide and is equipped with the piston, piston lateral wall rigid coupling is equipped with the locating pin, the one end intercommunication that the slip oil pocket is close to moving screw is equipped with the oil feed chamber, is equipped with hydraulic sensor in the oil feed chamber, is equipped with the oil feed end on the scissor lift, and the oil feed end includes oil tank and oil pump group, and the intercommunication is equipped with oil supply pipeline, returns oil line between oil pump group and oil tank and the oil feed chamber, is equipped with the solenoid valve on oil supply pipeline and the oil return pipeline respectively, controller and hydraulic sensor, solenoid valve, oil feed end electric connection.

2. A drilling machine for tunnel construction according to claim 1, wherein: the multi-terrain fixed track traveling vehicle comprises a vehicle body and auxiliary fixed track assemblies which are rotationally arranged on the vehicle body, wherein crawler wheels are symmetrically rotationally arranged on the vehicle body, the crawler wheels are externally wound with crawler bodies, traveling motors are arranged on the vehicle body, output shafts of the traveling motors are connected with the crawler wheels, the auxiliary fixed track assemblies are rotationally arranged at four corners of the vehicle body, and fixed electric hydraulic rods are connected between the auxiliary fixed track assemblies and the vehicle body.

3. A drilling machine for tunnel construction according to claim 2, characterized in that: the auxiliary fixed track assembly comprises an auxiliary belt wheel, a fixed support, a driven belt wheel and a driven belt wheel, wherein the auxiliary belt wheel is coaxially fixedly connected with the side wall of the crawler wheel, one end of the fixed support is rotatably connected with the shaft part of the auxiliary belt wheel, the driven belt wheel is rotatably arranged on the side wall of the other end of the fixed support, the driven belt wheel is wound on the outer side of the auxiliary belt wheel and the driven belt wheel, one end of the fixed electric hydraulic rod is rotatably connected with the side wall of the vehicle body, and the other end of the fixed electric hydraulic rod is rotatably connected with the side wall of the fixed support.

4. A tunnel boring machine according to claim 3, wherein: the upper wall of the scissor fork type lifter is provided with a rotating support, the vibration suppression type drilling mechanism is rotationally arranged at the upper end of the rotating support, and an adjusting electric hydraulic rod is arranged between the scissor fork type lifter and the vibration suppression type drilling mechanism.

5. The drilling machine for tunnel construction according to claim 4, wherein: the gear assembly comprises a central gear and driven planetary gears, the central gear is rotationally arranged in the driving cavity, the central gear and the positioning ring seat are coaxially arranged, the movable motor is fixedly connected to the side wall of the driving seat, the output shaft of the movable motor is coaxially fixedly connected with the central gear, the driven planetary gears are rotationally arranged in the driving cavity, the driven planetary gears are distributed around the circumferential array of the central gear, and the central shaft parts of the driven planetary gears are respectively coaxially fixedly connected with the central shaft parts of the movable screw rods.

6. The drilling machine for tunnel construction according to claim 5, wherein: the drilling driving assembly comprises a driving shell and a drilling motor arranged in the driving shell, the drill bit is fixedly connected with the output end of the drilling motor in a coaxial mode, and the drill bit and the positioning ring seat are coaxially arranged.

7. The drilling machine for tunnel construction according to claim 6, wherein: the Hall sensor adopts a linear Hall element HW-101A, and an illuminating lamp is arranged on the upper wall of the vehicle body.