TBM tunnel circumferential drilling device and using method thereof

Abstract

The TBM tunnel circumferential drilling device comprises a telescopic beam, a first rock drilling machine and a second rock drilling machine, the first rock drilling machine and the second rock drilling machine are arranged at the two ends of the telescopic beam, the telescopic beam is fixedly sleeved with at least two sets of supporting frames, and walking mechanisms and fixing mechanisms are arranged on the supporting frames; the telescopic beam is further provided with a drive control mechanism. The device has the beneficial effects that by adopting the device, the TBM adit grouting hole can be mechanically constructed, the construction efficiency is improved, and the labor cost is saved; the arranged walking wheels not only can directly walk in a tunnel wall, but also can walk on a track through a plate trailer, rock drilling rigs are arranged at the two ends of the device, and one device can achieve radial full coverage and axial large-angle drilling of a tunnel; the device can adapt to grouting hole construction of a TBM tunnel with a large gradient; the supporting shoes, the walking wheels and the transportation support designed for the TBM tunnel subjected to preliminary supporting can be highly matched with a tunnel transportation flat car, and switching of a long-distance working face is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of full-section rock tunnel construction, and in particular relates to a TBM tunnel annular drilling device and a use method thereof. Background Art

[0002] After the excavation of an open TBM tunnel is completed, the tunnel that was initially supported needs to be lined for the second time. Before the second lining, the tunnel needs to be grouted to block water or consolidate grouting. After the second lining, the lining section needs to be backfilled with grouting. The existing construction technology uses manual handheld pneumatic drills to drill holes. Since the tunnel is paved with train tracks to transport materials, the train tracks cannot be removed and mature anchor drilling rigs cannot enter. There is no mature equipment for quickly locating and drilling holes in the tunnel. In addition, for the manual grouting hole method, a steel structure support working platform needs to be set up, which makes the construction process complicated and the construction efficiency low. Summary of the invention

[0003] In view of the above problems in the prior art, the present invention provides a TBM tunnel annular drilling device, the technical solution of which is as follows: comprising a telescopic beam, a first rock drilling rig and a second rock drilling rig, the first rock drilling rig and the second rock drilling rig are arranged at both ends of the telescopic beam, the telescopic beam fixing sleeve is provided with at least two sets of supporting frames, the supporting frames are provided with a walking mechanism and a fixing mechanism, and the telescopic beam is also provided with a driving control mechanism; The walking mechanism comprises a walking cylinder, a first walking wheel and a second walking wheel; The fixing mechanism comprises a gripper shoe cylinder, a first gripper shoe and a second gripper shoe; The driving control mechanism comprises a hydraulic pump station, an electrical control cabinet and a stepping cylinder.

[0004] As a preferred embodiment, the support frame is a cross-shaped columnar structure with diagonal braces arranged at its right angles, a cylinder base is provided on the support frame, a walking wheel telescopic slide is fixedly provided at the end of the support frame, and a support shoe slide is provided on the top of the walking wheel telescopic slide.

[0005] As a preferred embodiment, a swing motor and a pitch motor are provided at both ends of the telescopic beam, and the swing motor and the pitch motor are drivingly connected to the first rock drilling rig and the second rock drilling rig. The swing motor and the pitch motor are used to provide the first rock drilling rig and the second rock drilling rig with the ability to swing and adjust the position and angle of the drilling hole.

[0006] As a preferred solution, the hydraulic pump station and the electrical control cabinet are fixedly arranged on the telescopic beam, and the stepping cylinder is hinged in the telescopic beam through a fourth pin shaft.

[0007] As a preferred embodiment, the shoe cylinder is hinged to the cylinder base of the support frame through a second pin shaft, the first shoe and the second shoe are movably arranged in the shoe slide box, the shoe cylinder is hinged to the first shoe and the second shoe through a first pin shaft and a fifth pin shaft, and the shoe cylinder is used to provide telescopic capability for the first shoe and the second shoe.

[0008] As a preferred solution, the travel cylinder is fixedly arranged in the travel wheel telescopic slide box, the travel cylinder is hinged to the first travel wheel and the second travel wheel through the third pin shaft, and the travel cylinder is used to provide telescopic ability for the first travel wheel and the second travel wheel.

[0009] As a preferred solution, a transport bracket is fixedly arranged below the diagonal brace.

[0010] The present invention also provides a method for using a TBM tunnel annular drilling device, and the technical solution is: S1 Drilling operation: The gripper cylinder extends, driving the first and second grippers to extend to the hole wall to stabilize the machine body. The first and second rock drills adjust the position and angle of the drill rod through the swing motor and the pitch motor to perform drilling operations; S2 step-changing process: after the drilling operation is completed, the first rock drilling rig is retracted, and the second rock drilling rig can be retracted or continue the drilling operation; The travel cylinder extends, driving the first travel wheel to press against the hole wall, transferring the entire weight of the fuselage to the first travel wheel, and the support shoe cylinder retracts, driving the first support shoe to retract; The stepping cylinder extends to extend the telescopic beam, pushing the first traveling wheel to roll on the cave wall, thus moving the first rock drilling rig forward; After the moving stroke is completed, the gripper cylinder extends, driving the first gripper to extend, and the first gripper presses against the hole wall; The travel cylinder retracts, driving the first travel wheel to retract and leave the hole wall; If the second rock drill is still in operation, the second rock drill is retracted, the operation is stopped, the travel cylinder is extended, the second travel wheel is extended to press against the hole wall, the whole weight of the machine body is transferred to the second travel wheel, the support shoe cylinder is retracted, and the second support shoe is retracted; The stepping cylinder retracts, the telescopic beam retracts, and the second traveling wheel moves on the cave wall, so that the second rock drilling rig moves forward; Repeat the above steps to make the device move forward as a whole, and do the opposite to make the device move backward; S3 long-distance and fast movement: Place the flatbed truck under the telescopic beam, retract the support shoe cylinders, drive the first support shoe and the second support shoe to retract, place the transport bracket on the flatbed truck, use the flatbed truck to quickly move the equipment to the working point where drilling is required, then extend the support shoe cylinders, and press the first support shoe and the second support shoe against the hole wall, then remove the flatbed truck to achieve long-distance and fast movement of the entire device.

[0011] Beneficial effects of the present invention: (1) The device of the present invention can realize mechanized construction of TBM flat tunnel grouting holes, improve construction efficiency and save labor costs; (2) The walking wheels of the device can not only move directly inside the cave wall, but also move on the track through the cart, thus reducing the required power consumption and achieving energy saving and environmental protection; (3) The present invention arranges the rock drilling rig at both ends of the device, and one device can achieve full radial coverage of the tunnel and axial large-angle drilling; (4) By fixing the support shoe of the device on the tunnel wall, the device can be used for TBM tunnel grouting hole construction with a large slope; (5) The support shoes, walking wheels and transport brackets designed for the initial support of TBM tunnels can be highly coordinated with the tunnel transport flatbed truck to achieve rapid switching of long-distance working surfaces. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the device in the present invention.

[0013] Figure 2 It is a right side view of the device in the present invention.

[0014] Figure 3 It is a front view of the device of the present invention during drilling operation.

[0015] Figure 4 It is a front view of the device of the present invention during the stepping process.

[0016] Figure 5 It is a schematic diagram of the overall structure of the support frame in the present invention.

[0017] In the figure: 1. hydraulic pump station; 2. electrical control cabinet; 3. first pin shaft; 4. second pin shaft; 5. first rock drilling rig; 6. swing motor; 7. pitch motor; 8. support frame; 801. support shoe slide box; 802. cylinder base; 803. diagonal support; 804. telescopic slide box of walking wheel; 9. support shoe cylinder; 10. first support shoe; 11. third pin shaft; 12. walking cylinder; 13. telescopic beam; 14. stepping cylinder; 15. fourth pin shaft; 16. fifth pin shaft; 17. first walking wheel; 18. transport bracket; 19. cave wall; 20. drill rod; 21. second support shoe; 22. second walking wheel; 23. second rock drilling rig. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below based on the accompanying drawings and specific embodiments.

[0019] Example 1 like Figure 1-2 A TBM tunnel circumferential drilling device shown includes a telescopic beam 13, a first rock drill 5 and a second rock drill 23, wherein the first rock drill 5 and the second rock drill 23 are arranged at both ends of the telescopic beam 13, the telescopic beam 13 is fixedly sleeved with at least two sets of support frames 8, the support frames 8 are provided with a walking mechanism and a fixing mechanism, and the telescopic beam 13 is also provided with a driving control mechanism; The walking mechanism comprises a walking cylinder 12, a first walking wheel 17 and a second walking wheel 22; The fixing mechanism comprises a gripper shoe cylinder 9, a first gripper shoe 10 and a second gripper shoe 21; The driving control mechanism includes a hydraulic pump station 1, an electrical control cabinet 2 and a stepping cylinder 14. The hydraulic pump station 1 provides power for the electrical control cabinet 2, the swing motor 6, the pitch motor 7, the support shoe cylinder 9, the travel cylinder 12, the stepping cylinder 14 and the rock drilling rig and other equipment; Furthermore, the electrical control cabinet 2 is equipped with a remote control receiving function to control the actions of the above-mentioned components.

[0020] Furthermore, the first rock drilling rig 5 and the second rock drilling rig 23 are existing mature rock drilling equipment assemblies, such as a hydraulic drilling rig, a pneumatic rock drilling rig, a pneumatic drilling rig, a coring drilling rig, etc.

[0021] Furthermore, the first gripper shoe 10 and the second gripper shoe 21 are designed to be anti-skid, so as to ensure that no slipping occurs during the step-changing process of the device.

[0022] Furthermore, the travel wheel is made of rubber material and is driven by a cylindrical roller bearing. A steel wheel or a pressure-resistant plastic wheel may also be used.

[0023] like Figure 5The support frame 8 shown is a cross-shaped columnar structure, with a diagonal brace 803 arranged at its right angle, a cylinder base 802 is provided on the support frame 8, a walking wheel telescopic slide 804 is fixedly provided at the end of the support frame 8, and a support shoe slide 801 is provided on the top of the walking wheel telescopic slide 804.

[0024] Furthermore, a swing motor 6 and a pitch motor 7 are provided at both ends of the telescopic beam 13, and the swing motor 6 and the pitch motor 7 are drivingly connected to the first rock drilling rig 5 and the second rock drilling rig 23. The swing motor 6 and the pitch motor 7 are used to provide the first rock drilling rig 5 and the second rock drilling rig 23 with the ability to swing and adjust the position and angle of the drilling hole.

[0025] Furthermore, the hydraulic pump station 1 and the electrical control cabinet 2 are fixedly arranged on the telescopic beam 13 , and the stepping cylinder 14 is hinged in the telescopic beam 13 through a fourth pin shaft 15 .

[0026] Furthermore, the shoe cylinder 9 is hinged to the cylinder base 802 of the support frame 8 through the second pin 4, the first shoe 10 and the second shoe 21 are movably arranged in the shoe slide box 801, and the shoe cylinder 9 is hinged to the first shoe 10 and the second shoe 21 through the first pin 3 and the fifth pin 16, and the shoe cylinder 9 is used to provide telescopic capability for the first shoe 10 and the second shoe 21.

[0027] Furthermore, the travel cylinder 12 is fixedly disposed in the travel wheel telescopic slide box 804, and the travel cylinder 12 is hinged to the first travel wheel 17 and the second travel wheel 22 through the third pin shaft 11, and the travel cylinder 12 is used to provide telescopic capability for the first travel wheel 17 and the second travel wheel 22.

[0028] Furthermore, a transport bracket 18 is fixedly disposed below the diagonal brace 803 .

[0029] Example 2 The above device is used as follows: S1 Drilling operation: The gripper cylinder 9 extends, driving the first gripper 10 and the second gripper 21 to extend all the way to the hole wall 19 to stabilize the fuselage. The first rock drill 5 and the second rock drill 23 adjust the position and angle of the drill rod 20 through the swing motor 6 and the pitch motor 7 to perform the drilling operation; S2 step-changing process: after the drilling operation is completed, the first rock drilling rig 5 is retracted, and the second rock drilling rig 23 can be retracted or continue the drilling operation; The travel cylinder 12 extends, driving the first travel wheel 17 to press against the hole wall 19, transferring the entire weight of the fuselage to the first travel wheel 17, and the gripper cylinder 9 retracts, driving the first gripper 10 to retract; The stepping cylinder 14 extends, so that the telescopic beam 13 extends, pushing the first traveling wheel 17 to roll on the cave wall 19, so that the first rock drilling rig 5 moves forward; After the moving stroke is completed, the gripper cylinder 9 extends, driving the first gripper 10 to extend, and the first gripper 10 abuts against the hole wall 19; The travel cylinder 12 retracts, driving the first travel wheel 17 to retract and leave the cave wall 19; If the second rock drill 23 is still in operation, the second rock drill 23 is retracted, the operation is stopped, the travel cylinder 12 is extended, the second travel wheel 22 is extended to abut against the cave wall 19, the entire weight of the machine body is transferred to the second travel wheel 22, the gripper cylinder 9 is retracted, and the second gripper 21 is retracted; The stepping cylinder 14 retracts, the telescopic beam 13 retracts, and the second traveling wheel 22 moves on the cave wall 19, so that the second rock drilling rig 23 moves forward; Repeat the above steps to make the device move forward as a whole, and do the opposite to make the device move backward; S3 long-distance and rapid movement: place the flatbed truck under the telescopic beam 13, fully retract the support shoe cylinder 9, drive the first support shoe 10 and the second support shoe 21 to fully retract, place the transport bracket 18 on the flatbed truck, use the flatbed truck to quickly move the equipment to the working point where drilling is required, then fully extend the support shoe cylinder 9, the first support shoe 10 and the second support shoe 21 are against the hole wall 19, and then remove the flatbed truck to achieve long-distance and rapid movement of the entire device.

Claims

1. A TBM tunnel annular drilling device, comprising a telescopic beam (13), a first rock drilling rig (5) and a second rock drilling rig (23), wherein the first rock drilling rig (5) and the second rock drilling rig (23) are arranged at two ends of the telescopic beam (13), characterized in that: The telescopic beam (13) is fixedly sleeved with at least two sets of support frames (8), the support frames (8) are provided with a walking mechanism and a fixing mechanism, and the telescopic beam (13) is also provided with a driving control mechanism; The walking mechanism comprises a walking cylinder (12), a first walking wheel (17) and a second walking wheel (22); The fixing mechanism comprises a support shoe cylinder (9), a first support shoe (10) and a second support shoe (21); The drive control mechanism comprises a hydraulic pump station (1), an electrical control cabinet (2) and a stepping cylinder (14).

2. A TBM tunnel annular drilling device according to claim 1, characterized in that: The support frame (8) is a cross-shaped columnar structure, with a diagonal brace (803) arranged at a right angle, a cylinder base (802) is arranged on the support frame (8), a walking wheel telescopic slide box (804) is fixedly arranged at the end of the support frame (8), and a support shoe slide box (801) is arranged on the top of the walking wheel telescopic slide box (804).

3. A TBM tunnel annular drilling device according to claim 1, characterized in that: The telescopic beam (13) is provided with a swing motor (6) and a pitch motor (7) at both ends. The swing motor (6) and the pitch motor (7) are drivingly connected to the first rock drilling rig (5) and the second rock drilling rig (23). The swing motor (6) and the pitch motor (7) are used to provide the first rock drilling rig (5) and the second rock drilling rig (23) with the ability to swing and adjust the position and angle of the drilling hole.

4. A TBM tunnel annular drilling device according to claim 1, characterized in that: The hydraulic pump station (1) and the electrical control cabinet (2) are fixedly arranged on the telescopic beam (13), and the stepping cylinder (14) is hinged in the telescopic beam (13) via a fourth pin shaft (15).

5. A TBM tunnel annular drilling device according to claim 2, characterized in that: The shoe support cylinder (9) is hinged to the cylinder base (802) of the support frame (8) via a second pin shaft (4); the first shoe support (10) and the second shoe support (21) are movably arranged in a shoe support slide box (801); the shoe support cylinder (9) is hinged to the first shoe support (10) and the second shoe support (21) via a first pin shaft (3) and a fifth pin shaft (16); the shoe support cylinder (9) is used to provide telescopic capability for the first shoe support (10) and the second shoe support (21).

6. A TBM tunnel annular drilling device according to claim 2, characterized in that: The travel cylinder (12) is fixedly arranged in the travel wheel telescopic slide box (804), and the travel cylinder (12) is hinged to the first travel wheel (17) and the second travel wheel (22) through the third pin shaft (11). The travel cylinder (12) is used to provide telescopic capability for the first travel wheel (17) and the second travel wheel (22).

7. A TBM tunnel annular drilling device according to claim 2, characterized in that: A transport bracket (18) is fixedly arranged below the diagonal brace (803).

8. A method for using a TBM tunnel annular drilling device according to any one of claims 1 to 7, characterized in that The following steps are involved: S1 drilling operation: the support shoe cylinder (9) extends, driving the first support shoe (10) and the second support shoe (21) to extend completely and press against the hole wall (19) to stabilize the machine body, and the first rock drill (5) and the second rock drill (23) adjust the position and angle of the drill rod (20) through the swing motor (6) and the pitch motor (7) to perform the drilling operation; S2 step-changing process: after the drilling operation is completed, the first rock drilling rig (5) is retracted, and the second rock drilling rig (23) can be retracted or continue the drilling operation; The travel cylinder (12) extends, driving the first travel wheel (17) to press against the hole wall (19), transferring the entire weight of the fuselage to the first travel wheel (17), and the support shoe cylinder (9) retracts, driving the first support shoe (10) to retract; The stepping cylinder (14) extends, causing the telescopic beam (13) to extend, pushing the first running wheel (17) to roll on the cave wall (19), thereby moving the first rock drilling rig (5) forward; After the moving stroke is completed, the support shoe cylinder (9) extends, driving the first support shoe (10) to extend, and the first support shoe (10) abuts against the hole wall (19); The travel cylinder (12) retracts, driving the first travel wheel (17) to retract and leave the cave wall (19); If the second rock drill (23) is still in operation at this time, the second rock drill (23) is retracted, the operation is stopped, the travel cylinder (12) is extended, the second travel wheel (22) is extended to abut against the hole wall (19), the entire weight of the machine body is transferred to the second travel wheel (22), the support shoe cylinder (9) is retracted, and the second support shoe (21) is retracted; The stepping cylinder (14) retracts, the telescopic beam (13) retracts, and the second traveling wheel (22) moves on the cave wall (19), so that the second rock drilling rig (23) moves forward; Repeat the above steps to make the device move forward as a whole, and do the opposite to make the device move backward; S3 long-distance rapid movement: place the flatbed truck under the telescopic beam (13), fully retract the support shoe cylinder (9), drive the first support shoe (10) and the second support shoe (21) to fully retract, place the transport bracket (18) on the flatbed truck, use the flatbed truck to quickly move the equipment to the working point where drilling is required, then fully extend the support shoe cylinder (9), the first support shoe (10) and the second support shoe (21) are pressed against the hole wall (19), and then remove the flatbed truck to achieve long-distance rapid movement of the entire device.

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