A drilling device for tunnel construction

Abstract

The application discloses a drilling device for tunnel construction and belongs to the technical field of tunnel construction, which comprises a bidirectional pressing positioning support, an adjusting sliding seat, a drilling sliding arm and a drilling mechanism sliding along the length direction of the drilling sliding arm, the adjusting sliding seat is slidingly arranged on the bidirectional pressing positioning support, the drilling sliding arm is rotationally arranged on the side wall of the adjusting sliding seat, an adjusting assembly is arranged between the drilling sliding arm and the adjusting sliding seat, the end of the drilling sliding arm is provided with a guide ring, a coaxial elastic pressing type dust cover is arranged at the end of the guide ring away from the drilling mechanism, and a slag discharging mechanism is arranged at the bottom of the drilling sliding arm. The drilling device for tunnel construction can realize stable support of the equipment in the tunnel through bidirectional pressing and can realize real-time receiving and instant discharging of drilling waste slag.

Description

Technical Field

[0001] This invention belongs to the field of tunnel construction technology, specifically referring to a drilling device for tunnel construction. Background Technology

[0002] Drilling is a common and critical step in tunnel construction. The interior of a tunnel has curved walls and no fixed construction reference, making it prone to slippage and swaying with traditional drilling equipment. This not only leads to deviations in drilling angle and depth, reducing construction accuracy, but also poses safety hazards due to equipment instability, failing to meet the precision requirements of tunnel engineering for drilling operations.

[0003] Furthermore, the drilling waste generated during the drilling of the arch not only affects the working environment, but also poses a significant threat to the personal safety of workers at lower levels as it falls from a height. Existing protective measures mostly involve using a cover to collect the drilling waste. After drilling is completed, if the angle is incorrect when moving the cover and drill rod, the drilling waste inside the cover can easily fall out. Moreover, after drilling is completed, additional equipment needs to be used to lower the cover to remove the drilling waste before drilling can be carried out again, which increases the process time and labor intensity, making it very inconvenient. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, the present invention provides a drilling device for tunnel construction, which achieves stable support of the equipment in the tunnel through bidirectional clamping, and performs real-time collection and immediate discharge of drilling waste.

[0005] The technical solution adopted by the present invention is as follows: The present invention provides a drilling device for tunnel construction, including a bidirectional clamping and positioning bracket, an adjusting slide block, a drilling slide arm, and a drilling mechanism that slides along the length direction of the drilling slide arm. The adjusting slide block is slidably mounted on the bidirectional clamping and positioning bracket, the drilling slide arm is rotatably mounted on the side wall of the adjusting slide block, an adjusting component is provided between the drilling slide arm and the adjusting slide block, a guide ring is provided at the end of the drilling slide arm, an elastic pressing dust cover is coaxially provided at the end of the guide ring away from the drilling mechanism, and a slag discharge mechanism is provided at the bottom of the drilling slide arm. The elastic press-type dust cover includes a fixed cover and a sliding sleeve coaxially nested. The fixed cover is coaxially located at the end of the guide ring away from the drilling mechanism. The sliding sleeve is axially continuous and slidably engaged with the fixed cover. The bottom wall of the fixed cover has a discharge port. A follower slide cover is slidably provided at the discharge port. The two ends of the follower slide cover are respectively provided with a first push ring and a second push ring. The first push ring is coaxially slidably sleeved on the outside of the sliding sleeve, and the second push ring is coaxially slidably sleeved on the outside of the fixed cover. A first push spring is provided between the ends of the first push ring and the sliding sleeve. The first push spring always has the tendency to push the sliding sleeve outward of the fixed cover. A second push spring is provided at the ends of the second push ring and the fixed cover. The second push spring always has the tendency to push the follower slide cover towards the discharge port and keep the discharge port closed.

[0006] When the drilling arm moves the drilling mechanism toward the tunnel wall, the sliding sleeve first contacts the surface of the tunnel wall and slides into the fixed cover under the action of the feed pressure, overcoming the elastic force of the first push spring, thereby achieving dynamic closure of the drilling area. At the same time, the follower sliding cover elastically abuts against the end of the fixed cover through the second push spring to keep the discharge port closed. Only when the slag discharge mechanism is activated will the follower sliding cover move away from the discharge port, allowing the discharge port to open and realize the directional discharge of drilling waste during the drilling process.

[0007] Preferably, the bidirectional clamping positioning bracket includes a movable frame, a follower slide, a clamping telescopic rod, and a top plate. The follower telescopic rod is coaxially mounted on the upper wall of the movable frame. The follower slide is located above the follower telescopic rod. A support spring is provided between the follower slide and the movable frame. An anti-slip rod is hinged to the side wall of the movable frame. An anti-slip protrusion is provided at the end of the anti-slip rod. A follower push rod is provided between the follower slide and the anti-slip rod. The two ends of the follower push rod are respectively hinged to the side wall of the follower slide and the upper wall of the anti-slip rod. The follower push rod and the anti-slip rod are respectively arranged in a circumferential array around the follower telescopic rod. The clamping telescopic rod is located on the upper wall of the follower slide. The top plate is located at the upper end of the clamping telescopic rod. An elastic anti-slip part is provided on the upper wall of the top plate.

[0008] More specifically, the slag discharge mechanism includes a waste storage chamber and a receiving chamber slidably disposed within the waste storage chamber. The waste storage chamber is located at the bottom end of the drilling sliding arm, and the end of the waste storage chamber near the guide ring is open. The upper wall and the side wall near the waste storage chamber of the receiving chamber are open. An electric push rod is provided between the waste storage chamber and the receiving chamber. The sliding direction of the receiving chamber is parallel to the sliding direction of the following sliding cover. A lever is provided at the end of the receiving chamber away from the waste storage chamber. The length from the upper end of the lever to the bottom wall of the following sliding cover is less than the length from the edge of the second push ring to the bottom wall of the following sliding cover. Therefore, when the lever moves forward, the upper end of the lever will push the second push ring to move, thereby driving the following sliding cover to move.

[0009] After drilling is completed, as the drilling slide arm moves backward, the first push spring releases its elastic potential energy. Under the action of the first push spring, the sliding sleeve remains in contact with the tunnel wall. The fixed cover moves backward relative to the sliding sleeve. As the fixed cover moves backward, the electric push rod moves synchronously, driving the receiving chamber forward. When the receiving chamber is in contact with the second push ring, as the electric push rod extends, it pushes the second push ring to move axially away from the guide ring along the fixed cover through the receiving chamber and the lever. The second push ring drives the follower slide cover to slide open the discharge port, so that the drilling waste in the fixed cover is automatically discharged into the receiving chamber and slides down into the waste storage chamber for temporary storage.

[0010] Preferably, the fixed cover has a sliding through hole coaxially formed at one end near the guide ring, the diameter of the sliding through hole being slightly larger than the inner diameter of the guide ring, and the drilling slide arm is provided with a mounting bracket, with the fixed cover mounted on the mounting bracket.

[0011] More specifically, the tensioning telescopic rod includes a fixed rod and an outer sleeve that are slidably connected, as well as a drive assembly that drives the outer sleeve to rise and fall along the fixed rod. The fixed rod is fixedly installed on the upper wall of the follower slide, and the outer sleeve is slidably sleeved on the outside of the fixed rod. The drive assembly includes a lifting motor, a lifting screw, and a lifting screw seat. The lifting motor is located on the bottom wall of the follower slide, and the lifting screw is rotatably mounted on the follower slide. The output end of the lifting motor is coaxially fixedly connected to the lifting screw. A connecting rod is provided on the side wall of the outer sleeve, and the lifting screw seat is located at the end of the connecting rod. The lifting screw seat is sleeved on the lifting screw and threadedly connected to the lifting screw.

[0012] The adjusting assembly includes an adjusting worm, an adjusting worm wheel, and a hand crank. The side wall of the adjusting slide is provided with an adjusting cavity. The adjusting worm and the adjusting worm wheel are rotatably disposed in the adjusting cavity. The adjusting worm meshes with the adjusting worm wheel. An adjusting shaft is coaxially fixedly connected to the adjusting worm wheel. The adjusting shaft rotatably passes through the side wall of the adjusting cavity. The shaft of the adjusting worm rotatably passes through the side wall of the adjusting cavity and is connected to the hand crank.

[0013] More specifically, the drilling slide arm includes a swing frame, an electric telescopic rod, and a propulsion guide rail located at the end of the electric telescopic rod. The side wall of the swing frame is fixedly connected to the adjustment shaft. The electric telescopic rod is fixedly installed inside the swing frame. The slag discharge mechanism is located on the bottom wall of the propulsion guide rail. The guide ring and the elastic press-type dust cover are located at the end of the propulsion guide rail away from the electric telescopic rod.

[0014] Furthermore, the drilling mechanism includes a feed slide, a drilling motor, and a drill rod. The feed slide is slidably connected to the feed guide rail. The feed slide has a second drive groove, and the second drive groove has an electric moving component that drives the feed slide to move along the feed guide rail. The drilling motor is fixedly installed on the feed slide, and the drill rod is coaxially fixedly connected to the output end of the drilling motor. The drill rod, guide ring, and elastic press-type dust cover are coaxially arranged, and the inner diameter of the guide ring is slightly larger than the diameter of the drill rod.

[0015] Preferably, the fixed cover is provided with a detection sensor at one end near the guide ring to detect the relative movement of the fixed cover and the sliding sleeve, and a detection plate is provided at the end of the sliding sleeve away from the fixed cover. The detection sensor is arranged opposite to the detection plate. The detection sensor is a displacement sensor or a distance sensor. A controller is provided on the side wall of the waste storage chamber. The controller is electrically connected to the detection sensor and the electric push rod respectively.

[0016] Preferably, the adjusting slide is slidably sleeved on the outside of the outer sleeve, and the adjusting slide is provided with a drive groove, and the drive groove is provided with an electric moving component that drives the adjusting slide to move along the outer sleeve.

[0017] Preferably, the waste storage chamber is equipped with a buzzer alarm on its side wall. The buzzer alarm is electrically connected to the controller. When the detection sensor detects that the relative movement distance between the fixed cover and the sliding sleeve is greater than or equal to the maximum preset threshold, the buzzer alarm will sound. At this time, the sliding sleeve will be completely retracted into the fixed cover.

[0018] Furthermore, an elastic ring is coaxially provided at the end of the elastic press-type dust cover away from the guide ring, which facilitates a better fit between the elastic press-type dust cover and the tunnel wall.

[0019] Preferably, the bottom wall of the waste storage chamber is provided with a waste discharge port, a waste discharge door is hinged to the waste discharge port, and an electromagnetic lock for controlling the opening and closing of the waste discharge door is provided on the side wall of the waste storage chamber.

[0020] Furthermore, the fixed cover has an opening at one end away from the guide ring, and an axial limiting structure is provided between the inner wall of the opening end of the fixed cover and the outer wall of the end into which the sliding sleeve extends. The axial limiting structure is used to limit the sliding stroke of the sliding sleeve relative to the fixed cover to prevent the sliding sleeve from detaching from the fixed cover.

[0021] Preferably, the axial limiting structure includes a first limiting part disposed on the inner wall of the opening end of the fixed cover and a second limiting part disposed on the outer wall of the sliding sleeve extension end, wherein the first limiting part and the second limiting part are arranged opposite to each other in the axial direction and cooperate with each other.

[0022] The beneficial effects achieved by the present invention using the above structure are as follows: 1. The swing frame, together with the adjustment component, realizes the angle adjustment. The electric telescopic rod realizes the overall extension and retraction of the drilling slide arm to initially adjust the distance between the elastic press-type dust cover and the tunnel wall. The propulsion guide rail, together with the drilling mechanism, realizes the feed of the drill rod.

[0023] 2. Design an elastic press-type dust cover. Utilize the axial expansion and contraction characteristics of the sliding sleeve to achieve dynamic and tight fit between the elastic press-type dust cover and the tunnel wall during the drilling mechanism's feeding process. This allows for real-time collection of drilling waste. Furthermore, when the drilling arm retracts, the first push spring pushes the sliding sleeve to reset, ensuring a seamless process and preventing dust diffusion.

[0024] 3. During drilling, the sliding sleeve of the elastic press-type dust cover first contacts and compresses the tunnel wall, keeping the front end of the sliding sleeve in contact with the wall surface to form a dynamic closed space. This facilitates the real-time collection of drilling waste and effectively prevents the leakage of drilling waste. When the drilling arm retracts, the sliding sleeve first remains in contact with the tunnel wall, and the fixed cover moves backward relative to the sliding sleeve. During this process, the slag discharge mechanism discharges the drilling waste collected inside the elastic press-type dust cover, achieving immediate slag discharge.

[0025] 4. The entire slag removal process requires no manual intervention. The timing of slag removal is linked to the retraction of the drilling arm, which avoids the accumulation or secondary scattering of waste slag in the closed cavity, greatly improving the efficiency of waste slag cleaning and realizing real-time automated slag removal. Moreover, slag removal is only triggered when the drilling arm retracts and the elastic pressing dust cover has not yet detached from the wall, which not only ensures the integrity of the closed space but also realizes the directional discharge of waste slag.

[0026] 5. When the receiving chamber pushes the second push ring to drive the sliding cover to open the discharge port, the discharge port is completely above the receiving chamber. When the receiving chamber is reset, the second push spring drives the sliding cover to automatically close the discharge port, ensuring that dust does not spread during the slag discharge process. After the slag discharge is completed, the seal is quickly restored, fundamentally avoiding secondary dust pollution.

[0027] 6. When the telescopic rod is raised to tighten the top of the tunnel, the follow-up push rod synchronously drives the anti-slip rod to press down on the ground, achieving synchronous tightening in both directions. This prevents the device from shifting during drilling. The elastic anti-slip part and the anti-slip protrusion further enhance the friction with the tunnel wall and the ground, improve the drilling positioning accuracy, and avoid drilling deviation or hole position deviation caused by equipment movement. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of a drilling device for tunnel construction provided by the present invention; Figure 2 A side view of a drilling device for tunnel construction provided by the present invention; Figure 3 for Figure 2 A magnified view of part A in the image; Figure 4 A schematic diagram of the combined structure of the adjusting slide, adjusting component, drilling slide arm, drilling mechanism and elastic press-type dust cover provided by the present invention; Figure 5A cross-sectional view of the adjustment component provided by the present invention; Figure 6 A side view of the propulsion guide rail, drilling mechanism, and elastic press-type dust cover provided by the present invention; Figure 7 A schematic diagram of the combined structure of the propulsion guide rail, drilling mechanism and elastic press-type dust cover provided by the present invention; Figure 8 A schematic diagram of the combined structure of the propulsion guide rail, drilling mechanism and elastic press-type dust cover provided by the present invention from another perspective; Figure 9 A schematic diagram of the elastic press-type dust cover provided by the present invention in the state when the discharge port is opened; Figure 10 An exploded view of the elastic press-type dust cover provided by the present invention.

[0029] The components include: 1. Bidirectional clamping positioning bracket; 2. Adjustable slide block; 3. Drilling slide arm; 4. Drilling mechanism; 5. Adjustment component; 6. Guide ring; 7. Elastic press-type dust cover; 8. Slag discharge mechanism; 9. Anti-shifting rod; 10. Fixed cover; 11. Sliding sleeve; 12. Follow-up sliding cover; 13. Mounting bracket; 14. Sliding through hole; 15. Discharge port; 16. First push ring; 17. Second push ring; 18. First push spring; 19. Second push spring; 20. Lever; 21. Elastic ring; 22. First limiting part; 23. Second limiting part; 24. Waste storage chamber; 25. Material receiving chamber; 26. Electric push rod; 27. Buzzer alarm; 28. Waste discharge door panel; 29. ​​Electromagnetic lock; 30. Moving gear; 31. Moving frame; 32. Follow-up slide block; 33. Clamping mechanism. 34. Telescopic rod, 35. Top plate, 36. Follower telescopic rod, 37. Support spring, 38. Anti-slip protrusion, 39. Follower push rod, 40. Elastic anti-slip part, 41. Fixed rod, 42. Outer sleeve, 43. Drive assembly, 44. Lifting motor, 45. Lifting screw, 46. Lifting screw seat, 47. Connecting rod, 48. Adjusting worm gear, 49. Adjusting worm wheel, 50. Hand crank, 51. Adjusting cavity, 52. Adjusting shaft, 53. Swing frame, 54. Electric telescopic rod, 55. Push guide rail, 56. Control panel, 57. Push slide, 58. Drilling motor, 59. Drill rod, 60. Pushing rack, 61. Pushing gear, 62. Lifting rack, 63. Moving motor, 64. Controller, 65. Detection sensor, 66. Detection plate.

[0030] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0032] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0033] like Figures 1-10 As shown, the present invention provides a drilling device for tunnel construction, including a bidirectional clamping and positioning bracket 1, an adjusting slide block 2, a drilling slide arm 3, and a drilling mechanism 4 that slides along the length of the drilling slide arm 3. The adjusting slide block 2 is slidably mounted on the bidirectional clamping and positioning bracket 1, and the drilling slide arm 3 is rotatably mounted on the side wall of the adjusting slide block 2. An adjusting component 5 is provided between the drilling slide arm 3 and the adjusting slide block 2. A guide ring 6 is provided at the end of the drilling slide arm 3, and an elastic pressing dust cover 7 is coaxially provided at the end of the guide ring 6 away from the drilling mechanism 4. A slag discharge mechanism 8 is provided at the bottom of the drilling slide arm 3.

[0034] The elastic press-type dust cover 7 includes a fixed cover 10 and a sliding sleeve 11 coaxially nested from the outside to the inside. The fixed cover 10 is coaxially located at the end of the guide ring 6 away from the drilling mechanism 4. The sliding sleeve 11 passes through the fixed cover 10 axially and slides with it. A sliding through hole 14 is coaxially formed at the end of the fixed cover 10 near the guide ring 6. The diameter of the sliding through hole 14 is slightly larger than the inner diameter of the guide ring 6. A discharge port 15 is formed on the bottom wall of the fixed cover 10. A follower sliding cover 12 is slidably provided at the discharge port 15. The two ends of the follower sliding cover 12... A first push ring 16 and a second push ring 17 are provided respectively. The first push ring 16 is coaxially slidably sleeved on the outside of the sliding sleeve 11, and the second push ring 17 is coaxially slidably sleeved on the outside of the fixed cover 10. A first push spring 18 is provided between the ends of the first push ring 16 and the sliding sleeve 11. The first push spring 18 always has the tendency to push the sliding sleeve 11 to extend outward from the fixed cover 10. A second push spring 19 is provided at the ends of the second push ring 17 and the fixed cover 10. The second push spring 19 always has the tendency to push the follower sliding cover 12 to slide towards the discharge port 15 and keep the discharge port 15 closed.

[0035] When the drilling arm 3 drives the drilling mechanism 4 to approach the tunnel wall, the sliding sleeve 11 first contacts the surface of the tunnel wall and slides into the fixed cover 10 under the action of the feed pressure, overcoming the elastic force of the first push spring 18, thereby achieving dynamic sealing of the drilling area; at the same time, the follower sliding cover 12 elastically abuts against the end of the fixed cover 10 through the second push spring 19 to keep the discharge port 15 closed. Only when the slag discharge mechanism 8 is activated, the follower sliding cover 12 moves away from the discharge port 15, so that the discharge port 15 is opened, realizing the directional discharge of drilling waste during the drilling process.

[0036] like Figure 1 , Figures 8-10 As shown, the drilling slide arm 3 is provided with a mounting bracket 13, and the fixed cover 10 is provided on the mounting bracket 13; the end of the elastic press-type dust cover 7 away from the guide ring 6 is provided with an elastic ring 21, which facilitates the elastic press-type dust cover 7 to fit more closely to the tunnel wall.

[0037] The fixed cover 10 is open at one end away from the guide ring 6. An axial limiting structure is provided between the inner wall of the open end of the fixed cover 10 and the outer wall of the sliding sleeve 11 extending into the fixed cover 10. The axial limiting structure is used to limit the sliding stroke of the sliding sleeve 11 relative to the fixed cover 10 to prevent the sliding sleeve 11 from detaching from the fixed cover 10.

[0038] The axial limiting structure includes a first limiting part 22 disposed on the inner wall of the opening end of the fixed cover 10 and a second limiting part 23 disposed on the outer wall of the extension end of the sliding sleeve 11. The first limiting part 22 and the second limiting part 23 are arranged opposite to each other in the axial direction and cooperate with each other. In this embodiment, the first limiting part 22 and the second limiting part 23 are annular protrusion structures.

[0039] See Figure 1 , Figures 6-10 As shown, the slag discharge mechanism 8 includes a waste storage chamber 24 and a receiving chamber 25 slidably disposed within the waste storage chamber 24. The waste storage chamber 24 is located at the bottom end of the drilling sliding arm 3. The end of the waste storage chamber 24 near the guide ring 6 is open. The upper wall and the side wall near the waste storage chamber 24 of the receiving chamber 25 are open. An electric push rod 26 is provided between the waste storage chamber 24 and the receiving chamber 25. The sliding direction of the receiving chamber 25 is parallel to the sliding direction of the follower sliding cover 12. A lever 20 is provided at the end of the receiving chamber 25 away from the waste storage chamber 24. The length from the upper end of the lever 20 to the bottom wall of the follower sliding cover 12 is less than the length from the edge of the second push ring 17 to the bottom wall of the follower sliding cover 12. Therefore, when the lever 20 moves forward, the upper end of the lever 20 will push the second push ring 17 to move, thereby driving the follower sliding cover 12 to move.

[0040] After drilling is completed, as the drilling sliding arm 3 moves backward, the first push spring 18 releases its elastic potential energy. Under the action of the first push spring 18, the sliding sleeve 11 remains in contact with the tunnel wall. The fixed cover 10 moves backward relative to the sliding sleeve 11. When the fixed cover 10 moves backward, the electric push rod 26 moves synchronously, driving the receiving chamber 25 forward. When the lever 20 is in contact with the second push ring 17, as the electric push rod 26 extends, the electric push rod 26 pushes the second push ring 17 to move axially away from the guide ring 6 along the fixed cover 10 through the receiving chamber 25 and the lever 20. The second push ring 17 drives the follower sliding cover 12 to slide open the discharge port 15, so that the drilling waste in the fixed cover 10 is automatically discharged into the receiving chamber 25 and slides down the receiving chamber 25 into the waste storage chamber 24 for temporary storage.

[0041] The bottom wall of the waste storage chamber 24 is provided with a waste discharge port, and a waste discharge door panel 28 is hinged to the waste discharge port. The side wall of the waste storage chamber 24 is provided with an electromagnetic lock 29 for controlling the opening and closing of the waste discharge door panel 28. The electromagnetic lock 29 is existing technology and will not be described in detail here.

[0042] like Figures 1-3 As shown, the bidirectional clamping and positioning bracket 1 includes a movable frame 31, a follower slide 32, a clamping telescopic rod 33, and a top plate 34. A follower telescopic rod 35 is coaxially mounted on the upper wall of the movable frame 31. The follower slide 32 is positioned above the follower telescopic rod 35. The follower telescopic rod 35 includes an inner tube and an outer tube that are slidably nested together. A support spring 36 is provided between the follower slide 32 and the movable frame 31. An anti-slip rod 9 is hinged to the side wall of the movable frame 31. The end of the moving rod 9 is provided with an anti-slip protrusion 37. A following push rod 38 is provided between the following slide 32 and the anti-slip rod 9. The two ends of the following push rod 38 are respectively hinged to the side wall of the following slide 32 and the upper wall of the anti-slip rod 9. The following push rod 38 and the anti-slip rod 9 are respectively arranged in a circumferential array around the following telescopic rod 35. The clamping telescopic rod 33 is provided on the upper wall of the following slide 32. The top plate 34 is provided on the upper end of the clamping telescopic rod 33. The upper wall of the top plate 34 is provided with an elastic anti-slip part 39.

[0043] The tensioning telescopic rod 33 includes a fixed rod 40 and an outer sleeve 41 slidably connected, and a drive assembly 42 that drives the outer sleeve 41 to rise and fall along the fixed rod 40. The fixed rod 40 is fixedly installed on the upper wall of the follower slide 32, and the outer sleeve 41 is slidably sleeved on the outside of the fixed rod 40. The drive assembly 42 includes a lifting motor 43, a lifting screw 44, and a lifting screw seat 45. The lifting motor 43 is located on the bottom wall of the follower slide 32, and the lifting screw 44 is rotatably located above the follower slide 32. The output end of the lifting motor 43 is coaxially fixedly connected to the lifting screw 44. A connecting rod 46 is provided on the side wall of the outer sleeve 41, and the lifting screw seat 45 is located at the end of the connecting rod 46. The lifting screw seat 45 is sleeved on the lifting screw 44 and threadedly connected to the lifting screw 44.

[0044] like Figure 4 and Figure 5 As shown, the adjustment assembly 5 includes an adjustment worm 47, an adjustment worm wheel 48, and a hand crank 49. The side wall of the adjustment slide 2 is provided with an adjustment cavity 50. The adjustment worm 47 and the adjustment worm wheel 48 are rotatably disposed in the adjustment cavity 50. The adjustment worm 47 meshes with the adjustment worm wheel 48. An adjustment shaft 51 is coaxially fixed to the adjustment worm wheel 48. The adjustment shaft 51 rotatably passes through the side wall of the adjustment cavity 50. The shaft portion of the adjustment worm 47 rotatably passes through the side wall of the adjustment cavity 50 and is connected to the hand crank 49.

[0045] like Figures 1-8 As shown, the drilling slide arm 3 includes a swing frame 52, an electric telescopic rod 53, and a propulsion guide rail 54 located at the end of the electric telescopic rod 53. The side wall of the swing frame 52 is fixedly connected to the adjusting shaft 51. The electric telescopic rod 53 is fixedly installed inside the swing frame 52. The slag discharge mechanism 8 is located on the bottom wall of the propulsion guide rail 54. The guide ring 6 and the elastic press-type dust cover 7 are located at the end of the propulsion guide rail 54 away from the electric telescopic rod 53.

[0046] The drilling mechanism 4 includes a propulsion slide 56, a drilling motor 57, and a drill rod 58. The propulsion slide 56 is slidably connected to the propulsion guide rail 54. The propulsion slide 56 has a second drive groove, and the second drive groove has a second electric moving component. The drilling motor 57 is fixedly installed on the propulsion slide 56. The drill rod 58 is coaxially fixed to the output end of the drilling motor 57. The drill rod 58, the guide ring 6, and the elastic press-type dust cover 7 are coaxially arranged. The inner diameter of the guide ring 6 is slightly larger than the diameter of the drill rod 58.

[0047] In this embodiment, the electric moving component two includes a push rack 59, a push gear 61, and a push motor 60. The push rack 59 is fixedly arranged along the length direction of the push guide rail 54. The push gear 61 is rotatably disposed in the drive groove two. The push motor 60 is fixedly disposed on the side wall of the push slide 56. The output end of the push motor 60 is coaxially fixedly connected to the push gear 61. The push rack 59 passes through the drive groove two and meshes with the push gear 61.

[0048] The adjusting slide 2 is slidably sleeved on the outside of the outer sleeve 41. The adjusting slide 2 is provided with a drive groove, and the drive groove is provided with an electric moving component.

[0049] In this embodiment, the electric moving component includes a moving gear 30 and a moving motor 63. The outer sleeve 41 is provided with a lifting rack 62 along its length. The moving gear 30 is rotatably disposed in the drive groove. The moving motor 63 is fixedly disposed on the side wall of the adjusting slide 2. The output ends of the moving gear 30 and the moving motor 63 are coaxially fixedly connected. The lifting rack 62 slides through the drive groove and meshes with the moving gear 30. The moving motor 63 and the propulsion motor 60 are self-locking motors.

[0050] like Figures 6-10 As shown, the fixed cover 10 is provided with a detection sensor 65 at one end near the guide ring 6 to detect the relative movement of the fixed cover 10 and the sliding sleeve 11. The sliding sleeve 11 is provided with a detection plate 66 at one end away from the fixed cover 10. The detection sensor 65 is arranged opposite to the detection plate 66. The detection sensor 65 is a displacement sensor or a distance sensor. In this embodiment, the detection sensor 65 is a VL53L0X laser distance measuring module. The waste storage chamber 24 is provided with a controller 64 on its side wall. The controller 64 is electrically connected to the detection sensor 65 and the electric push rod 26 respectively. The waste storage chamber 24 is provided with a buzzer alarm 27 on its side wall. The buzzer alarm 27 is electrically connected to the controller 64. When the relative movement distance between the fixed cover 10 and the sliding sleeve 11 detected by the detection sensor 65 is greater than or equal to the maximum preset threshold, the buzzer alarm 27 produces a sound. At this time, the sliding sleeve 11 is completely retracted into the fixed cover 10.

[0051] See Figure 1 and Figure 2 The follower slide 32 is provided with a fixed frame, and the fixed frame is provided with a control panel 55.

[0052] In practical use, the device is moved to the drilling position, aligning the drilling direction with the drilling location in the tunnel. Then, the extension and retraction of the tensioning telescopic rod 33 is controlled. The lifting motor 43 is started via the control panel 55, which drives the lifting screw 44 to rotate. The lifting screw seat 45 moves upward along the lifting screw 44, and through the connecting rod 46, it drives the outer sleeve 41 to extend upward along the fixed rod 40 until the top plate 34 is close to the tunnel top wall. The elastic anti-slip part 39 on the top plate 34 is in contact with the tunnel wall. At the same time, the tensioning telescopic rod 33 continues to tighten, causing the follower slide 32 to move downward, which in turn causes the follower telescopic rod 35 to retract, compressing the support spring 36. When the follower slide 32 moves downward, the hinged follower push rod 38 synchronously pushes the anti-shift rod 9 to rotate downward around the side wall of the moving frame 31, causing the anti-shift rod 9 to move downward. The anti-slip protrusion 37 at the end presses against the ground, achieving bidirectional clamping and fixing between the top and the ground, thus completing the overall fixation of the equipment. The anti-slip rods 9 distributed in a circumferential array can provide multi-directional clamping and anti-slip. The control panel 55 controls the adjusting slide 2 to move upward along the outer sleeve 41, thereby adjusting the drilling height. The moving motor 63 drives the moving gear 30 to rotate. The moving gear 30 meshes with the lifting rack 62 on the outer sleeve 41, causing the adjusting slide 2 to slide up and down along the axial direction of the outer sleeve 41 until the drilling slide arm 3 reaches the preset drilling height. The moving motor 63 is then turned off. The operator turns the hand crank 49, causing the adjusting worm 47 in the adjusting cavity 50 to rotate. The adjusting worm 47 meshes with the adjusting worm wheel 48, which drives the coaxially fixed adjusting shaft 51 to rotate. 1. The swing frame 52 of the drilling slide arm 3 is connected to the adjusting shaft 51. The rotation of the adjusting shaft 51 drives the drilling slide arm 3 to rotate, adjusting the tilt angle of the drilling slide arm 3. After the angle is adjusted to the preset value, the hand crank 49 is stopped. The self-locking characteristic of the worm gear is used to fix the drilling angle. Then, the electric telescopic rod 53 is controlled to extend, pushing the propulsion guide rail 54 to extend towards the tunnel wall, so that the drilling mechanism 4 and the elastic pressing dust cover 7 are close to the construction surface. When the drilling slide arm 3 drives the drilling mechanism 4 to approach the tunnel wall, the sliding sleeve 11 first contacts the surface of the tunnel wall and slides into the fixed cover 10 under the action of the feed pressure, overcoming the elastic force of the first push spring 18. When the sliding sleeve 11 is completely retracted into the fixed cover 10, the detection sensor 65 detects the fixed cover and the sliding sleeve. When the relative movement distance is greater than or equal to the maximum preset threshold, the controller 64 triggers the buzzer alarm 27 to sound an alarm. At this time, the electric telescopic rod 53 stops extending, and then the drilling motor 57 and the propulsion motor 60 are started. The propulsion motor 60 drives the propulsion gear 61 to rotate. The propulsion gear 61 meshes with the propulsion rack 59 on the propulsion guide rail 54, causing the propulsion slide 56 to slide along the propulsion guide rail 54 towards the tunnel wall. This, in turn, causes the drilling motor 57 and the drill rod 58 to approach the tunnel wall. The drill rod 58 passes through the guide ring 6 and the elastic press-type dust cover 7 and approaches the tunnel wall. At the same time, the drilling motor 57 starts, driving the drill rod 58 to rotate at high speed to drill a hole in the tunnel wall. The guide ring 6 plays a guiding role. During the process of the drill rod 58 being fed with the propulsion slide 56...The elastic ring 21 at the end of the sliding sleeve 11 always maintains a tight fit with the tunnel wall, sealing the drilling area. The elastic press-type dust cover 7 continuously collects the dust and waste generated during drilling, preventing its spread. During this process, the follower sliding cover 12, under the elastic force of the second push spring 19, always covers the discharge port 15 on the bottom wall of the fixed cover 10. After the drilling operation is completed, the propulsion motor 60 and the drilling motor 57 are stopped. Then, the propulsion motor 60 is reversed, thereby driving the propulsion slide 56 to move in the opposite direction and reset. The propulsion slide 56 drives the drill rod 58 out of the drilling position. During this process, the sliding sleeve 11, under the elastic force of the first push spring 18, It remains in contact with the tunnel wall to ensure that waste does not fall through the gap between the elastic press-type dust cover 7 and the tunnel wall; then the electric telescopic rod 53 is controlled to retract and reset, and drive the push guide rail 54 to move backward. As the push guide rail 54 moves backward, the first push spring 18 releases its elastic potential energy, and the sliding sleeve 11 remains in contact with the tunnel wall under the action of the first push spring 18. The fixed cover 10 moves backward relative to the sliding sleeve 11. When the relative movement distance between the fixed cover and the sliding sleeve detected by the detection sensor 65 begins to decrease, the controller 64 controls the electric push rod 26 to extend, driving the receiving chamber 25 to move forward. When the lever 20 is in contact with the second push ring 17, as the electric push rod 26 extends, the receiving chamber 25 moves forward. 6. As the electric push rod 26 extends, it pushes the second push ring 17 along the axial direction of the fixed cover 10 away from the guide ring 6 via the receiving chamber 25 and the lever 20. The second push ring 17 drives the follower sliding cover 12 to slide open the discharge port 15, thereby automatically discharging the drilling waste in the fixed cover 10 into the receiving chamber 25 and sliding down into the waste storage chamber 24 for temporary storage. After a period of time, the controller 64 controls the electric push rod 26 to retract, driving the receiving chamber 25 to move backward and reset. The second push ring 17 loses the pushing force of the lever 20, and under the elastic force of the second push spring 19, it drives the follower sliding cover 12 to slide, re-closing the discharge port 15. The press-type dust cover 7 returns to its closed state, and simultaneously, the receiving chamber 25 retracts into the waste storage chamber 24. The drilling angle and height are adjusted via the adjusting component 5 and the adjusting slide 2, allowing drilling at different locations. When the waste residue in the waste storage chamber 24 accumulates to a certain amount, the adjusting slide 2 is lowered to its lowest point, causing the drilling slide arm 3 to move to its lowest position. Then, the electromagnetic lock 29 at the waste discharge port on the bottom wall of the waste storage chamber 24 is opened, and the hinged waste discharge door 28 opens under the gravity of the waste residue, allowing it to be discharged directionally from the discharge port, completing the centralized cleaning. After cleaning, the waste discharge door 28 is closed, the electromagnetic lock 29 is locked, and the waste storage chamber 24 is reset.

[0053] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0054] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

[0055] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A drilling device for tunnel construction, characterized in that: The system includes a bidirectional clamping positioning bracket (1), an adjusting slide (2), a drilling slide arm (3), and a drilling mechanism (4) that slides along the length of the drilling slide arm (3). The adjusting slide (2) is slidably mounted on the bidirectional clamping positioning bracket (1). The drilling slide arm (3) is rotatably mounted on the side wall of the adjusting slide arm (2). An adjusting component (5) is provided between the drilling slide arm (3) and the adjusting slide arm (2). A guide ring (6) is provided at the end of the drilling slide arm (3). An elastic press-type dust cover (7) is coaxially provided at the end of the guide ring (6) away from the drilling mechanism (4). A slag discharge mechanism (8) is provided at the bottom of the drilling slide arm (3). The elastic press-type dust cover (7) includes a fixed cover (10) and a sliding sleeve (11) coaxially nested. The fixed cover (10) is coaxially located at the end of the guide ring (6) away from the drilling mechanism (4). The sliding sleeve (11) is axially connected and slides with the fixed cover (10). The bottom wall of the fixed cover (10) is provided with a discharge port (15). A follower cover (12) is slidably provided at the discharge port (15). The two ends of the follower cover (12) are respectively provided with a first push ring (16) and a second push ring (17). The first push ring (16) is coaxially slidably sleeved on the outside of the sliding sleeve (11). The second push ring (17) is coaxially slidably sleeved on the outside of the fixed cover (10). A first push spring (18) is provided between the ends of the first push ring (16) and the sliding sleeve (11). A second push spring (19) is provided between the ends of the second push ring (17) and the fixed cover (10).

2. The drilling device for tunnel construction according to claim 1, characterized in that: The bidirectional clamping positioning bracket (1) includes a movable frame (31), a follower slide (32), a clamping telescopic rod (33), and a top plate (34). The upper wall of the movable frame (31) is coaxially provided with a follower telescopic rod (35). The follower slide (32) is located above the follower telescopic rod (35). A support spring (36) is provided between the follower slide (32) and the movable frame (31). The side wall of the movable frame (31) is hinged with an anti-slip rod (9). The end of the anti-slip rod (9) is provided with an anti-slip protrusion (3). 7) A follower push rod (38) is provided between the follower slide (32) and the anti-shift rod (9). The two ends of the follower push rod (38) are respectively hinged to the side wall of the follower slide (32) and the upper wall of the anti-shift rod (9). The follower push rod (38) and the anti-shift rod (9) are respectively arranged in a circumferential array around the follower telescopic rod (35). The top-tightening telescopic rod (33) is provided on the upper wall of the follower slide (32). The top plate (34) is provided on the upper end of the top-tightening telescopic rod (33). The upper wall of the top plate (34) is provided with an elastic anti-slip part (39).

3. A drilling device for tunnel construction according to claim 2, characterized in that: The slag discharge mechanism (8) includes a waste storage chamber (24) and a receiving chamber (25) slidably disposed in the waste storage chamber (24). The waste storage chamber (24) is located at the bottom end of the drilling slide arm (3). The end of the waste storage chamber (24) near the guide ring (6) is open. The upper wall of the receiving chamber (25) and the side wall near the waste storage chamber (24) are open. An electric push rod (26) is provided between the waste storage chamber (24) and the receiving chamber (25). The sliding direction of the receiving chamber (25) is parallel to the sliding direction of the follower slide cover (12). A lever (20) is provided at the end of the receiving chamber (25) away from the waste storage chamber (24). The length from the upper end of the lever (20) to the bottom wall of the follower slide cover (12) is less than the length from the edge of the second push ring (17) to the bottom wall of the follower slide cover (12).

4. A drilling device for tunnel construction according to claim 3, characterized in that: The fixed cover (10) has a sliding through hole (14) coaxially opened at one end near the guide ring (6). The diameter of the sliding through hole (14) is larger than the inner diameter of the guide ring (6). The drilling slide arm (3) is provided with a mounting bracket (13), and the fixed cover (10) is placed on the mounting bracket (13).

5. A drilling device for tunnel construction according to claim 4, characterized in that: The tensioning telescopic rod (33) includes a fixed rod (40) and an outer tube (41) that are slidably connected, and a drive assembly (42) that drives the outer tube (41) to rise and fall along the fixed rod (40). The fixed rod (40) is fixedly installed on the upper wall of the follower slide (32), and the outer tube (41) is slidably sleeved on the outside of the fixed rod (40). The drive assembly (42) includes a lifting motor (43), a lifting screw (44), and a lifting screw seat (45). The lifting motor (43) is located on the bottom wall of the follower slide (32), and the lifting screw (44) is rotatably mounted on the follower slide (32). The output end of the lifting motor (43) is coaxially fixedly connected to the lifting screw (44). The side wall of the outer tube (41) is provided with a connecting rod (46), and the lifting screw seat (45) is located at the end of the connecting rod (46). The lifting screw seat (45) is sleeved on the lifting screw (44) and threadedly connected to the lifting screw (44).

6. A drilling device for tunnel construction according to claim 5, characterized in that: The adjustment assembly (5) includes an adjustment worm (47), an adjustment worm wheel (48), and a hand crank (49). The side wall of the adjustment slide (2) is provided with an adjustment cavity (50). The adjustment worm (47) and the adjustment worm wheel (48) are rotatably disposed in the adjustment cavity (50). The adjustment worm (47) meshes with the adjustment worm wheel (48). An adjustment shaft (51) is coaxially fixed on the adjustment worm wheel (48). The adjustment shaft (51) rotatably passes through the side wall of the adjustment cavity (50). The shaft of the adjustment worm (47) rotatably passes through the side wall of the adjustment cavity (50) and is connected to the hand crank (49).

7. A drilling device for tunnel construction according to claim 6, characterized in that: The drilling slide arm (3) includes a swing frame (52), an electric telescopic rod (53), and a propulsion guide rail (54) located at the end of the electric telescopic rod (53). The side wall of the swing frame (52) is fixedly connected to the adjusting shaft (51). The electric telescopic rod (53) is fixedly installed inside the swing frame (52). The slag discharge mechanism (8) is located on the bottom wall of the propulsion guide rail (54). The guide ring (6) and the elastic press-type dust cover (7) are located at the end of the propulsion guide rail (54) away from the electric telescopic rod (53).

8. A drilling device for tunnel construction according to claim 7, characterized in that: The drilling mechanism (4) includes a propulsion slide (56), a drilling motor (57), and a drill rod (58). The propulsion slide (56) is slidably connected to the propulsion guide rail (54). The propulsion slide (56) is provided with a second drive groove, and the second drive groove is provided with a second electric moving component. The drilling motor (57) is fixedly installed on the propulsion slide (56). The drill rod (58) is coaxially fixedly connected to the output end of the drilling motor (57). The drill rod (58), the guide ring (6), and the elastic press-type dust cover (7) are coaxially arranged.

9. A drilling device for tunnel construction according to claim 8, characterized in that: The fixed cover (10) is provided with a detection sensor (65) at one end near the guide ring (6) to detect the relative movement of the fixed cover (10) and the sliding sleeve (11). The sliding sleeve (11) is provided with a detection plate (66) at one end away from the fixed cover (10). The detection sensor (65) and the detection plate (66) are arranged opposite to each other. The waste storage chamber (24) is provided with a controller (64) on its side wall. The controller (64) is electrically connected to the detection sensor (65) and the electric push rod (26) respectively.

10. A drilling device for tunnel construction according to claim 9, characterized in that: The adjusting slide (2) is slidably sleeved on the outside of the outer sleeve (41). The adjusting slide (2) is provided with a drive groove and an electric moving component is provided in the drive groove.

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