TBM tunnel circumferential drilling device

Abstract

The utility model discloses a TBM tunnel annular drilling device which 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, mechanical construction of the TBM adit grouting hole can be realized, 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 utility model belongs to the technical field of full-section rock tunnel construction, in particular to a TBM tunnel annular drilling device and a use method thereof. Background Art

[0002] After excavation of an open TBM tunnel, the initially supported tunnel requires secondary lining. Prior to secondary lining, the tunnel requires water blocking or consolidation grouting. After secondary lining, the lining section requires backfill grouting. Existing construction technology relies on manual handheld pneumatic drilling. Because the tunnel is lined with train tracks for material transportation, these tracks cannot be removed, making it impossible for a mature anchor drilling rig to enter. Consequently, there is no mature equipment for quickly locating and drilling holes in the tunnel. Furthermore, manual grouting requires a steel support work platform, which complicates the construction process and reduces efficiency. Utility Model Content

[0003] In response to the above-mentioned problems in the prior art, the present invention provides a TBM tunnel circumferential drilling device, the technical solution of which is as follows: comprising a telescopic beam, a first rock drill rig and a second rock drill rig, the first rock drill rig and the second rock drill rig being arranged at both ends of the telescopic beam, the telescopic beam fixing sleeve being provided with at least two sets of support frames, the support frames being provided with a traveling mechanism and a fixing mechanism, and the telescopic beam being provided with a drive control mechanism;

[0004] The traveling mechanism includes a traveling oil cylinder, a first traveling wheel and a second traveling wheel;

[0005] The fixing mechanism includes a gripper cylinder, a first gripper and a second gripper;

[0006] The drive control mechanism includes a hydraulic pump station, an electrical control cabinet and a stepping cylinder.

[0007] As a preferred solution, the support frame is a cross-shaped columnar structure with diagonal braces provided 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.

[0008] 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 driven and 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.

[0009] 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.

[0010] As a preferred solution, 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 the first pin shaft and the fifth pin shaft, and the shoe cylinder is used to provide telescopic ability for the first shoe and the second shoe.

[0011] As a preferred solution, the travel cylinder is fixedly arranged in the travel wheel telescopic slide box, and the travel cylinder is hinged to the first travel wheel and the second travel wheel through a third pin shaft. The travel cylinder is used to provide telescopic ability for the first travel wheel and the second travel wheel.

[0012] As a preferred solution, a transport bracket is fixedly installed below the diagonal support.

[0013] The utility model also provides a method for using a TBM tunnel circumferential drilling device, the technical solution of which is:

[0014] S1 Drilling Operation: The gripper cylinder extends, driving the first and second grippers to extend completely against the hole wall to stabilize the machine body. The first and second rock drills adjust the position and angle of the drill rods through the swing motor and pitch motor to perform the drilling operation.

[0015] S2 step-changing process: After the drilling operation is completed, the first rock drill rig is retracted, and the second rock drill rig can be retracted or continue the drilling operation;

[0016] 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 gripper cylinder retracts, driving the first gripper to retract;

[0017] The stepping cylinder extends, extending the telescopic beam, pushing the first traveling wheel to roll on the cave wall, and moving the first rock drilling rig forward;

[0018] 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;

[0019] The travel cylinder retracts, driving the first travel wheel to retract and leave the cave wall;

[0020] If the second rock drill is still in operation, retract the second rock drill, stop the operation, extend the travel cylinder, extend the second travel wheel to the hole wall, transfer the entire weight of the machine to the second travel wheel, retract the gripper cylinder, and drive the second gripper to retract;

[0021] The stepping cylinder retracts, the telescopic beam retracts, and drives the second traveling wheel to move on the cave wall, so that the second rock drilling rig moves forward;

[0022] Repeat the above steps to make the device move forward as a whole, and reverse the operation to make the device move backward;

[0023] S3 long-distance and rapid movement: Place a flatbed truck under the telescopic beam, fully retract the gripper cylinders, and drive the first and second grippers to fully retract. Place the transport bracket on the flatbed truck, and use the flatbed truck to quickly move the equipment to the work point where drilling is required. Then fully extend the gripper cylinders, and the first and second grippers press against the hole wall. Then remove the flatbed truck to achieve long-distance and rapid movement of the entire device.

[0024] Beneficial effects of the utility model:

[0025] (1) The device of the utility model can realize the mechanized construction of TBM flat hole grouting holes, improve construction efficiency and save labor costs;

[0026] (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;

[0027] (3) The utility model 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;

[0028] (4) The device can be adapted to the construction of TBM tunnel grouting holes with a large slope because the device's support shoe is fixed to the tunnel wall.

[0029] (5) The support shoes, walking wheels and transport brackets designed for the primary 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

[0030] Figure 1 It is a schematic diagram of the overall structure of the device in the present utility model.

[0031] Figure 2 It is a right side view of the device in the present utility model.

[0032] Figure 3 This is a front view of the device of the present invention during drilling operation.

[0033] Figure 4 This is a front view of the device of the present invention during the stepping process.

[0034] Figure 5 It is a schematic diagram of the overall structure of the support frame in the utility model.

[0035] In the figure: 1. Hydraulic pump station; 2. Electrical control cabinet; 3. First pin; 4. Second pin; 5. First rock drilling rig; 6. Swing motor; 7. Pitch motor; 8. Support frame; 801. Shoe slide box; 802. Cylinder base; 803. Diagonal brace; 804. Travel wheel telescopic slide box; 9. Shoe cylinder; 10. First shoe; 11. Third pin; 12. Travel cylinder; 13. Telescopic beam; 14. Stepping cylinder; 15. Fourth pin; 16. Fifth pin; 17. First travel wheel; 18. Transport bracket; 19. Cave wall; 20. Drill rod; 21. Second shoe; 22. Second travel wheel; 23. Second rock drilling rig. DETAILED DESCRIPTION

[0036] The present invention will be described in further detail below based on the accompanying drawings and specific embodiments.

[0037] Example 1

[0038] like Figure 1-2 The illustrated embodiment of a TBM tunnel circumferential drilling device includes a telescopic beam 13, a first rock drill 5, and a second rock drill 23. The first rock drill 5 and the second rock drill 23 are disposed at both ends of the telescopic beam 13. The telescopic beam 13 is fixedly sleeved with at least two support frames 8, each of which is provided with a traveling mechanism and a fixing mechanism. The telescopic beam 13 is also provided with a drive control mechanism.

[0039] The traveling mechanism includes a traveling cylinder 12, a first traveling wheel 17 and a second traveling wheel 22;

[0040] The fixing mechanism includes a gripper cylinder 9, a first gripper 10 and a second gripper 21;

[0041] The drive 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 gripper cylinder 9, the travel cylinder 12, the stepping cylinder 14 and the rock drill rig.

[0042] Furthermore, the electrical control cabinet 2 is equipped with a remote control receiving function to control the actions of the above components.

[0043] 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 core drilling rig, etc.

[0044] Furthermore, the first gripper shoe 10 and the second gripper shoe 21 are designed to be anti-slip, ensuring that no slipping occurs during the step-changing process of the device.

[0045] Furthermore, the traveling wheels are made of rubber and driven by cylindrical roller bearings, and steel wheels or pressure-resistant plastic wheels may also be used.

[0046] like Figure 5 The support frame 8 shown is a cross-shaped columnar structure with a diagonal brace 803 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.

[0047] 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 driven and 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.

[0048] 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 via a fourth pin 15 .

[0049] 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. The shoe cylinder 9 is used to provide telescopic capability for the first shoe 10 and the second shoe 21.

[0050] Furthermore, 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.

[0051] Furthermore, a transport bracket 18 is fixedly installed below the diagonal brace 803 .

[0052] Example 2

[0053] Using the above device, its method of use is:

[0054] S1 Drilling operation: The gripper cylinder 9 extends, driving the first gripper 10 and the second gripper 21 to extend and press against the hole wall 19 to stabilize the machine body. The first rock drill 5 and the second rock drill 23 adjust the position and angle of the drill rod 20 via the swing motor 6 and the pitch motor 7 to perform the drilling operation;

[0055] S2 step-changing process: After the drilling operation is completed, the first rock drill 5 is retracted, and the second rock drill 23 can be retracted or continue the drilling operation;

[0056] 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;

[0057] The stepping cylinder 14 extends, extending the telescopic beam 13, pushing the first traveling wheel 17 to roll on the cave wall 19, thereby moving the first rock drilling rig 5 forward;

[0058] 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;

[0059] The travel cylinder 12 retracts, driving the first travel wheel 17 to retract and leave the cave wall 19;

[0060] If the second rock drill 23 is still in operation, retract the second rock drill 23 and stop the operation. Extend the travel cylinder 12 to extend the second travel wheel 22 and press it against the cave wall 19. Transfer the entire weight of the machine to the second travel wheel 22. Retract the gripper cylinder 9 and retract the second gripper 21.

[0061] 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;

[0062] Repeat the above steps to make the device move forward as a whole, and reverse the operation to make the device move backward;

[0063] S3 long-distance and rapid movement: Place the flatbed truck under the telescopic beam 13, retract the gripper cylinders 9 completely, drive the first gripper 10 and the second gripper 21 to retract completely, drop the transport bracket 18 onto the flatbed truck, use the flatbed truck to quickly move the equipment to the working point where drilling is required, then fully extend the gripper cylinders 9, press the first gripper 10 and the second gripper 21 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 circumferential 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 both 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 oil cylinder (14).

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

3. A TBM tunnel circumferential 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 connected to the first rock drilling rig (5) and the second rock drilling rig (23) in a driving manner. 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 circumferential 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 oil cylinder (14) is hinged in the telescopic beam (13) via a fourth pin shaft (15).

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

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

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

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