A crawler-type rock tunnel boring machine and its transfer method

Abstract

This invention relates to the field of TBM equipment technology, specifically to a tracked rock tunnel boring machine and its relocation method. The machine includes a cutterhead, a shield, a main drive, a main beam support and propulsion mechanism, and a tracked travel module. The cutterhead is mounted on one side of the shield; the main drive is mounted on the other side of the shield; the main drive is rotatably connected to the cutterhead to drive its rotation; the main beam support and propulsion mechanism is connected to the main drive to drive the cutterhead to move axially along the main beam of the main beam support and propulsion mechanism; the tracked travel module includes a tracked chassis, a lifting mechanism, a sliding bearing, and a limiting component; the lifting mechanism is mounted on the tracked chassis; the lifting mechanism is connected to the sliding bearing; a first slot is provided at the bottom of the main beam support and propulsion mechanism, and the sliding bearing is slidably connected to the first slot along the main beam axial direction; when the tracked travel module moves to a preset position below the main beam support and propulsion mechanism, the two are fixed by the limiting component; the lifting mechanism can vertically drive the sliding bearing to move.

Description

Technical Field

[0001] This invention relates to the field of TBM equipment technology, specifically to a tracked rock tunnel boring machine and its relocation method. Background Technology

[0002] With the acceleration of underground space construction and underground resource extraction, and the development of design technology, TBM (Tunnel Boring Machine) equipment will face challenges with tunnels of different geological conditions, diameters, and types. In recent years, TBM equipment has been widely used in mining and coal mining, achieving excellent results in single-tunnel construction. However, as the mining intensity and output of longwall faces in the mining field increase, the required transportation and ventilation cross-sections are increasing year by year. Especially in high-gas mines, single-lane layouts often cannot meet production requirements, leading to multi-lane layouts with 3-5 or even more tunnels per working face. This places higher demands on the relocation of TBM equipment.

[0003] Existing rock tunnel boring machines (TBMs), whether open-face or shield-type, are primarily used for constructing a single tunnel. Once construction is complete, their mission is accomplished, and relocation is rarely necessary. When relocation is required, the machine is typically disassembled into modules, which are then transported to the next work area using heavy-duty transport vehicles or flatbed trucks for reassembly and relaunch. For example, the patent "Trackless Flatbed Cart for TBMs, Mobile TBM, and Construction Method" (CN116181343A) addresses relocation needs by mounting the launching device on a trackless flatbed car for rapid launching of the main unit. After tunneling, the main unit and modules are moved forward or backward onto the trackless flatbed car for relocation. While this relocation method saves time compared to conventional TBM relocation, it is still time-consuming and labor-intensive. Furthermore, the need for custom-made trackless flatbed cars adds extra cost.

[0004] There has been some research on tunneling equipment with integrated tracked chassis. For example, the patent "Mobile Underground Tunnel Boring Machine Device" (CN111684144B) integrates a tracked chassis onto the tunnel boring machine, allowing for relocation using the tracks. However, in this patent, the tracked chassis is fixed below the main machine. When there is severe muck accumulation in the tunnel, the tracked chassis may jam, affecting the entire tunneling operation.

[0005] Therefore, the disassembly and assembly of existing rock tunnel boring machines and transfer equipment are quite cumbersome, making it difficult to adapt to the frequent tunnel transfer and excavation needs underground. Summary of the Invention

[0006] (a) Technical problems to be solved

[0007] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a tracked rock tunnel boring machine and its relocation method, which solves the technical problem that the disassembly and assembly of existing rock tunnel boring machines and relocation equipment is relatively cumbersome.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, the tracked rock tunnel boring machine of the present invention includes a cutterhead, a shield, a main drive, a main beam support and propulsion mechanism, and a tracked walking module.

[0010] The cutterhead is mounted on one side of the shield; the main drive is mounted on the other side of the shield; the main drive is rotatably connected to the cutterhead so as to drive the cutterhead to rotate; the main beam support and propulsion mechanism is connected to the main drive so as to drive the cutterhead to move along the main beam axis of the main beam support and propulsion mechanism.

[0011] The tracked travel module includes a tracked chassis, a lifting mechanism, a sliding bearing, and a limiting component; the lifting mechanism is mounted on the tracked chassis; the lifting mechanism is connected to the sliding bearing; a first slot is provided at the bottom end of the main beam support and propulsion mechanism, and the sliding bearing is slidably connected to the first slot along the axial direction of the main beam; when the tracked travel module moves to a preset position below the main beam support and propulsion mechanism, the two are fixed by the limiting component; the lifting mechanism can drive the sliding bearing to move vertically.

[0012] Optionally, the tracked travel module further includes a track alignment mechanism and a pair of tracks;

[0013] The track alignment mechanism is installed at the bottom of the track chassis;

[0014] Each pair of tracks is connected to both ends of the track adjustment mechanism in a one-to-one correspondence, so as to adjust the included angle α between the pair of tracks.

[0015] Optionally, the tracked walking module further includes a trapezoidal hinge plate;

[0016] The trapezoidal hinge plate is installed at the bottom end of the track chassis; the track adjustment mechanism is located above the trapezoidal hinge plate;

[0017] The track is provided with V-shaped lugs on its side; the two free ends of the V-shaped lugs are respectively hinged to the track adjustment mechanism and the trapezoidal hinge plate.

[0018] Optionally, the tracked walking module further includes a slag baffle;

[0019] The slag baffle is connected to the tracked chassis, and the slag baffle is disposed between the shield and the track.

[0020] Optionally, the main beam support and propulsion mechanism is provided with a rear support and a pair of support shoes;

[0021] The rear support can move up and down along the vertical direction; a pair of support boots can abut against the two side walls of the tunnel; the tracked walking module can pass through the inside of the rear support.

[0022] Optionally, the tracked rock tunnel boring machine also includes a muck conveyor;

[0023] The slag conveyor is connected to the shield; a slag discharge channel is installed on the tracked chassis; the slag conveyor extends from the inside of the cutterhead into the slag discharge channel.

[0024] Optionally, the tracked rock tunnel boring machine also includes a rear support device;

[0025] The main beam support and propulsion mechanism is detachably connected to the rear supporting device;

[0026] The tracked walking module is detachably mounted on the bottom of the rear supporting device.

[0027] Optionally, the plurality of said rear-mounted devices are detachably connected along the axial direction of the main beam;

[0028] The tracked walking module is provided at the bottom of each of the aforementioned rear supporting devices.

[0029] Furthermore, the present invention also provides a method for relocating a tracked rock tunnel boring machine, the method being implemented based on the tracked rock tunnel boring machine described above, the relocation method comprising:

[0030] S1. The cutterhead, the shield, the main drive, and the main beam support and propulsion mechanism are assembled outside the tunnel to form the main tunneling module;

[0031] S2. The lifting mechanism drives the sliding bearing to rise and fall to the height corresponding to the first slot; the tracked chassis moves along the axial direction of the main beam to engage the sliding bearing in the preset position in the first slot; the tracked chassis and the main beam support and propulsion mechanism are fixed by the limiting member; the lifting mechanism lifts the main beam support and propulsion mechanism, and the tracked walking module transports the main excavation module to the tunnel face;

[0032] S3. Remove the limiting component, the tracked walking module exits from below the main tunneling module, and the main tunneling module begins normal tunneling.

[0033] Optionally, when the main beam support and propulsion mechanism fails, the main beam support and propulsion mechanism is connected to the tracked travel module, and the tracked travel module is used as an auxiliary power source for the main beam support and propulsion mechanism.

[0034] (III) Beneficial Effects

[0035] The beneficial effects of this invention are:

[0036] The main beam of the main beam supporting the propulsion mechanism has a first slot that mates with a sliding bearing. The sliding bearing is raised and lowered to the height of the first slot via a lifting mechanism, and then moved along the length of the first slot by the track chassis until it reaches a preset position in the first slot, or the track chassis is moved to a preset position below the main beam supporting the propulsion mechanism. A limiting component then secures the tracked travel module to the main beam supporting the propulsion mechanism, completing the connection between the main excavation module and the tracked travel module. This "one-lift, two-move, three-fix" assembly / disassembly method effectively improves the efficiency of assembling and disassembling the main excavation module and the tracked travel module. The tracked travel module is remotely controlled, saving time and effort and improving the adaptability of the tracked rock tunnel boring machine to frequent underground relocation needs.

[0037] By tightening the support components corresponding to the main beam support and propulsion mechanism against the tunnel wall and then removing the limiting components of the tracked travel module, the tracked travel module can be removed from below the main beam support and propulsion mechanism. This avoids the tracked travel module affecting the normal tunneling of the main excavation module and avoids the risk of the tracked travel module getting stuck due to tunnel slag accumulation.

[0038] When encountering jamming or other adverse geological conditions, or when the support shoe is loose or partially collapsed, causing the main beam support propulsion mechanism to fail or the propulsion reaction force to be insufficient, the track travel module can also be used as an auxiliary power source. It can be quickly installed and used to assist in getting out of trouble, or to temporarily provide tunneling thrust. The efficient disassembly and assembly method of the track travel module allows it to flexibly adapt to a variety of harsh working environments.

[0039] A first slot is opened at the bottom of the main beam support propulsion mechanism. The shape of the first slot is adapted to the sliding bearing. By replacing different models of sliding bearings, they can be connected to the first slot of the corresponding size. The track travel module does not need to be customized, which greatly simplifies the connection between the main excavation module and the track travel module and reduces construction costs. Attached Figure Description

[0040] Figure 1 This is a schematic diagram showing the connection between the tracked rock tunnel boring machine and the rear supporting device of the present invention;

[0041] Figure 2This is a schematic diagram of the tracked rock tunnel boring machine of the present invention traveling in a city gate-shaped cross-section;

[0042] Figure 3 This is a schematic diagram of the tracked rock tunnel boring machine of the present invention traveling on an arc-shaped cross-section;

[0043] Figure 4 This is an exploded view of the tracked rock tunnel boring machine and its supporting equipment according to the present invention.

[0044] [Explanation of Labels in the Attached Image]

[0045] 1: Cutter head;

[0046] 2: Shield;

[0047] 3: Main driver;

[0048] 4: Main beam support and propulsion mechanism; 41: Main beam; 42: First slot; 43: Rear support; 44: Support shoe;

[0049] 5: Tracked walking module; 51: Tracked chassis; 52: Lifting mechanism; 53: Sliding bearing; 54: Track alignment mechanism; 55: Trapezoidal hinge plate; 56: V-shaped ear plate; 57: Slag baffle plate;

[0050] 6: Slag conveyor;

[0051] 8: Supporting devices. Detailed Implementation

[0052] To better explain and facilitate understanding of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0053] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0054] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0055] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; "connection" can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0056] See Figure 1 and Figure 2 This invention provides a tracked rock tunnel boring machine, which includes a cutterhead 1, a shield 2, a main drive 3, a main beam support and propulsion mechanism 4, and a tracked travel module 5. The cutterhead 1 is mounted on one side of the shield 2; the main drive 3 is mounted on the other side of the shield 2; the main drive 3 is rotatably connected to the cutterhead 1 to drive the cutterhead 1 to rotate; the main beam support and propulsion mechanism 4 is connected to the main drive 3 to drive the main drive 3, the shield 2, and the cutterhead 1 to move axially along the main beam 41 of the main beam support and propulsion mechanism 4; the tracked travel module 5 includes a tracked chassis 51 and a lifting mechanism 52. The system includes a sliding bearing 53 and a limiting component; a lifting mechanism 52 is mounted on the track chassis 51; the lifting mechanism 52 is connected to the sliding bearing 53; a first slot 42 is provided at the bottom of the main beam support propulsion mechanism 4, the first slot 42 is a guide slot, the shape of which is adapted to the shape of the sliding bearing 53, and the sliding bearing 53 and the first slot 42 are slidably connected along the axial direction of the main beam 41; when the track walking module 5 moves to a preset position below the main beam support propulsion mechanism 4, the two are fixed by a limiting component, which can be a bolt or a pin; the lifting mechanism 52 can drive the sliding bearing 53 to move vertically.

[0057] The cutterhead 1, shield 2, main drive 3, and main beam support propulsion mechanism 4 are assembled to form the main tunneling module. The cutterhead 1 is located at the front end of the tracked rock tunnel boring machine and is used for breaking rock. The shield 2 protects the main drive 3 and other important components inside. The main drive 3 provides rotational power to the cutterhead. The main beam support propulsion mechanism 4 supports the main drive 3, shield 2, and cutterhead 1, while also providing propulsion force to the cutterhead 1 for tunneling. The tracked travel module 5 is used for the forward and backward movement of the entire machine, driving the main tunneling module to different locations; it can also provide some propulsion force for tunneling, serving as auxiliary power.

[0058] The main beam 41 of the main beam support and propulsion mechanism 4 has a first slot 42 that mates with the sliding bearing 53. The sliding bearing 53 is raised and lowered to the height of the first slot 42 via the lifting mechanism 52, and then moved along the length of the first slot 42 by the track chassis 51 until the sliding bearing 53 is moved to a preset position in the first slot 42, or the track chassis 51 is moved to a preset position below the main beam support and propulsion mechanism 4. The tracked travel module 5 is then fixed to the main beam support and propulsion mechanism 4 by a limiting component, completing the connection between the main tunneling module and the tracked travel module 5. The "one-lift, two-move, three-fix" disassembly and assembly method effectively improves the efficiency of disassembly and assembly between the main tunneling module and the tracked travel module 5. The tracked travel module 5 is remotely controlled, saving time and effort and improving the adaptability of the tracked rock tunnel boring machine to the frequent underground relocation requirements.

[0059] By tightening the support components corresponding to the main beam support and propulsion mechanism 4 against the tunnel wall and then removing the limiting components of the tracked travel module 5, the tracked travel module 5 can be removed from below the main beam support and propulsion mechanism 4. This avoids the tracked travel module 5 from affecting the normal tunneling of the main excavation module and avoids the risk of the tracked travel module 5 getting stuck due to tunnel slag accumulation.

[0060] When encountering jamming or other adverse geological conditions, or when the support shoe 44 is loose or partially collapsed, causing the main beam support propulsion mechanism 4 to fail or the propulsion reaction force to be insufficient, the track travel module 5 can also be used as an auxiliary power source. It can be quickly installed and used to assist in getting out of trouble, or to temporarily provide tunneling thrust. The efficient disassembly and assembly method of the track travel module 5 allows it to flexibly adapt to a variety of harsh working environments.

[0061] A first slot 42 is opened at the bottom of the main beam support propulsion mechanism 4. The shape of the first slot 42 is adapted to the sliding bearing 53. By replacing the sliding bearing 53 of different models, it can be connected to the first slot 42 of the corresponding size. The track walking module 5 does not need to be customized, which greatly simplifies the connection method between the main excavation module and the track walking module 5 and reduces the construction cost.

[0062] See Figure 3The tracked travel module 5 also includes a track adjustment mechanism 54 and a pair of tracks. The track adjustment mechanism 54 is installed at the bottom of the tracked chassis 51. The pair of tracks are connected to the two ends of the track adjustment mechanism 54 in a one-to-one correspondence, so as to adjust the included angle α between the pair of tracks. The included angle α is the angle between the vertical lines of the corresponding top surfaces of the pair of tracks. The tracks can also be replaced with wheels or other walking drive methods. Since the tracked travel module 5 does not always travel on the arch-shaped cross-section, but sometimes on the curved cross-section, the track adjustment mechanism 54 is set to improve the stability of the tracked chassis 51 when traveling on the curved cross-section. In this embodiment, the track adjustment mechanism 54 is a hydraulic cylinder. The two ends of the hydraulic cylinder are hinged to the pair of tracks. The included angle α is adjusted by the extension and retraction of the track adjustment mechanism 54, thereby realizing the angle adjustment of the track relative to the tunnel bottom surface, so that the bottom surface of the track is basically parallel to the corresponding tunnel bottom surface, improving the stability of the tracked travel module 5 when traveling on the curved cross-section and improving the reliability of the tracked travel module 5 in transferring the main excavation module. Optionally, the track adjustment mechanism 54 includes a pair of hydraulic cylinders, which are hinged to a pair of tracks in a one-to-one correspondence, so as to independently adjust the lateral deflection angle of the tracks relative to the tunnel floor, thereby further improving the stability of the track travel module 5 when traveling on different shaped cross sections.

[0063] Furthermore, the tracked travel module 5 also includes a trapezoidal hinge plate 55; the trapezoidal hinge plate 55 is installed at the bottom end of the tracked chassis 51; the track alignment mechanism 54 is disposed above the trapezoidal hinge plate 55; V-shaped lugs 56 are provided on the side of the track; the two free ends of the V-shaped lugs 56 are hinged to the track alignment mechanism 54 and the trapezoidal hinge plate 55 respectively. Specifically, compared to a square hinge plate, the upper width of the trapezoidal hinge plate 55 is smaller than that of the lower width, see [reference needed]. Figure 3 When the track alignment mechanism 54 retracts, the upper ends of a pair of tracks move closer together. Therefore, the upper end of the trapezoidal hinge plate 55 effectively avoids the track from shifting backward, thereby increasing the maximum track alignment angle and improving the adaptability of the track travel module 5 to different curved cross-sections. The V-shaped ear plate 56 is provided with hinge points connecting the trapezoidal hinge plate 55 and the track alignment mechanism 54, allowing the two hinge points to move synchronously, improving the stability and accuracy of track alignment. Furthermore, the V-shaped structure of the V-shaped ear plate 56 avoids the upper end of the trapezoidal hinge plate 55, ensuring the track can swing to the maximum alignment angle position.

[0064] Secondly, the tracked walking module 5 also includes a slag baffle 57; the slag baffle 57 is connected to the tracked chassis 51 and is positioned between the shield 2 and the track. In this embodiment, the slag baffle 57 includes a vertical plate and a bent plate. The vertical plate is positioned between the shield 2 and the track, and the two ends of the bent plate are connected to the vertical plate and the tracked chassis 51 respectively. The bending angle of the bent plate is set according to the relative deviation between the top of the vertical plate and the connection point of the tracked chassis 51, so as to achieve relative fixation between the vertical plate and the tracked chassis 51. The slag baffle 57 is used to block the splashed slag below the cutterhead 1, preventing the slag from affecting the movement and adjustment of the tracked walking module 5, and improving the reliability of the tracked walking module 5.

[0065] In addition, the main beam support and propulsion mechanism 4 is equipped with a rear support 43 and a pair of support shoes 44; the rear support 43 can be raised and lowered vertically and abut against the bottom of the tunnel; the pair of support shoes 44 can abut against the two side walls of the tunnel; the tracked travel module 5 can pass through the inside of the rear support 43. Specifically, after the tracked travel module 5 transports the main excavation module to the tunnel face, it needs to be withdrawn from below the main excavation module. Before the sliding bearing 53 withdraws from the first slot 42, the tunnel wall is first supported by the support components of the main beam support and propulsion mechanism 4 itself, namely the rear support 43 and the support shoes 44. The tunnel wall exerts a reaction force on the main beam support and propulsion mechanism 4, thereby fixing the tunnel to the main beam support and propulsion mechanism 4. Then, the limiting parts are removed, and the tracked travel module 5 can be withdrawn. After that, the main excavation module can carry out normal construction and advance in the tunnel by its own hydraulic clamps. The space enclosed by the tunnel bottom, the bottom of the main beam support propulsion mechanism 4, and a pair of support shoes 44 can allow the tracked walking module 5 to pass through. The tracked walking module 5 can be assisted to exit by using the top support components during the normal construction process of the main excavation module, without the need to add additional top support components, thus saving construction costs and improving the efficiency of site transfer.

[0066] When the tracked travel module 5 needs to be moved, it moves automatically to the rear of the main beam 41. The lifting device 52 adjusts it to a suitable height so that the sliding bearing 53 can just enter the first slot 42 on the main beam. Then, the tracked travel module 5 moves to a preset position below the main beam, installs the limiting device, and then the lifting device 52 lifts the sliding bearing 53, thereby lifting the main tunneling module. The gravity of the main tunneling module then acts on the tracked travel module 5, allowing the relocation to be completed. When the tracked travel module 5 is not needed, the rear support 43 of the main beam support and propulsion mechanism 4 is raised, and the support shoes 44 are tightened on both sides of the tunnel. The limiting device of the tracked travel module 5 is removed, allowing the tracked travel module 5 to be withdrawn from below the main beam support and propulsion mechanism 4. This prevents the tracked travel module 5 from interfering with the normal tunneling of the main tunneling module and avoids the risk of tunnel debris accumulating and jamming the tracked travel module 5.

[0067] Furthermore, the tracked rock tunnel boring machine also includes a muck conveyor 6; the muck conveyor 6 is connected to the shield 2; a muck discharge channel is installed on the tracked chassis 51; the muck conveyor 6 extends from the inside of the cutterhead 1 into the muck discharge channel. Specifically, the muck conveyor 6 is used to transfer the muck scooped up by the cutter head, transporting the muck at the cutterhead 1 to the muck discharge channel, and then discharging it outside the tunnel through the muck discharge channel. The muck discharge channel can be driven by a screw rod, and then transported to the outside of the tunnel by a belt conveyor. The muck conveyor 6 can discharge most of the muck from the working face; a small portion of the muck splashes out from under the cutterhead 1 and is blocked by the muck baffle 57. Through the effective cooperation between the muck conveyor 6 and the muck baffle 57, the stability of the tracked travel module 5 when used as an auxiliary power source can be effectively guaranteed, effectively avoiding the situation where the tracked chassis 51 gets stuck due to excessive muck accumulation at the bottom of the tunnel, and improving the reliability of the joint operation of the main tunneling module and the tracked travel module 5.

[0068] Secondly, the tracked rock tunnel boring machine also includes a rear support device 8; the main beam support propulsion mechanism 4 is detachably connected to the rear support device 8; and a tracked walking module 5 is detachably installed at the bottom of the rear support device 8. The rear support device 8 is used to carry necessary auxiliary equipment for the tunnel boring machine, such as water supply, power supply, and hydraulic power equipment. Similarly, the connection method between the rear support device 8 and the tracked walking module 5 can be analogous to the connection method between the main beam support propulsion mechanism 4 and the tracked walking module 5. By opening a second slot at the bottom of the rear support device 8, which cooperates with the sliding bearing 53, the rear support device 8 can be quickly assembled and disassembled, improving the flexibility and efficiency of site relocation.

[0069] In this embodiment, multiple rear-mounted devices 8 are detachably connected along the axial direction of the main beam 41, and can be connected by bolts or pins; each of the multiple rear-mounted devices 8 is equipped with a tracked walking module 5 at its bottom. The multiple tracked walking modules 5 can move and retract synchronously within the tunnel, enabling rapid docking between the main excavation module and the multiple rear-mounted devices 8. The docking method is simple, practical, and efficient. For working conditions requiring multiple rear-mounted devices 8, the tracked rock tunnel boring machine of this invention has a shorter relocation time and higher relocation efficiency. Of course, from the perspective of saving equipment costs, multiple rear-mounted devices 8 can also be transported using only one tracked walking module 5. The tracked walking module 5 can be replaced with a different model of sliding bearing 53 that mates with the multiple second slots, demonstrating the high flexibility and compatibility of the tracked walking module 5.

[0070] Furthermore, the present invention also provides a method for relocating a tracked rock tunnel boring machine. This method is based on the aforementioned tracked rock tunnel boring machine and includes the following steps:

[0071] S1, cutterhead 1, shield 2, main drive 3 and main beam support propulsion mechanism 4 are assembled outside the tunnel to form the main tunneling module;

[0072] S2, the lifting mechanism 52 drives the sliding bearing 53 to rise to the corresponding height of the first slot 42; the track chassis 51 moves axially along the main beam 41 to insert the sliding bearing 53 into the preset position in the first slot 42; the track chassis 51 and the main beam support and propulsion mechanism 4 are fixed by the limiting component; the lifting mechanism 52 lifts the main beam support and propulsion mechanism 4, and the track walking module 5 transports the main excavation module to the tunnel face;

[0073] The main beam support and propulsion mechanism 4 and the track walking module 5 are quickly disassembled and assembled through the "one lift, two move, three fix" method. Then, the main beam support and propulsion mechanism 4 is lifted by the lifting mechanism 52. The lifting height is reasonably set according to the working conditions of the slag and soil at the bottom of the tunnel, and the main excavation module can be transferred.

[0074] S3. Remove the limiting components, and the tracked travel module 5 will exit from below the main tunneling module, allowing the main tunneling module to begin normal tunneling. The same applies to the transfer of the tracked travel module 5 and the main tunneling module within the tunnel, as well as the transfer of the tracked travel module 5 and the rear auxiliary device 8 within the tunnel, and will not be described further.

[0075] The tracked travel module 5 can be completely withdrawn outside the tunnel, ensuring passage space inside the tunnel. It can also be parked in the designated parking area inside the tunnel, suitable for applications where the tracked travel module 5 needs to be used frequently.

[0076] Furthermore, when the main beam support propulsion mechanism 4 fails, it is connected to the tracked travel module 5, which serves as auxiliary power for the main beam support propulsion mechanism 4. In cases of machine jamming, other adverse geological conditions, or loosening or partial collapse of the support shoe 44, leading to the failure of the main beam support propulsion mechanism 4 or insufficient propulsion reaction force, the tracked travel module 5 can also be used as auxiliary power to help it escape from trouble; or it can be used to temporarily provide tunneling thrust to the cutterhead 1. Therefore, the tracked travel module 5 can not only serve as a relocation and transportation tool, but also as a tool for escaping trouble or assisting in tunneling, improving the error prevention and remedial capabilities of the tracked rock tunnel boring machine.

[0077] It should be understood that the above description of specific embodiments of the present invention is only for illustrating the technical approach and features of the present invention, and is intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. However, the present invention is not limited to the specific embodiments described above. All changes or modifications made within the scope of the claims of the present invention should be covered within the protection scope of the present invention.

Claims

1. A method for relocating a tracked rock tunnel boring machine, characterized in that, The relocation method of the tracked rock tunnel boring machine is implemented based on the tracked rock tunnel boring machine, which includes a cutterhead (1), a shield (2), a main drive (3), a main beam support and propulsion mechanism (4), and a track walking module (5). The cutter head (1) is installed on one side of the shield (2); the main drive (3) is installed on the other side of the shield (2); the main drive (3) is rotatably connected to the cutter head (1) so as to drive the cutter head (1) to rotate; the main beam support and propulsion mechanism (4) is connected to the main drive (3) so as to drive the cutter head (1) to move axially along the main beam (41) of the main beam support and propulsion mechanism (4); The tracked walking module (5) includes a tracked chassis (51), a lifting mechanism (52), a sliding bearing (53), and a limiting member; the lifting mechanism (52) is disposed on the tracked chassis (51); the lifting mechanism (52) is connected to the sliding bearing (53); the bottom end of the main beam support propulsion mechanism (4) is provided with a first slot (42), and the sliding bearing (53) is slidably connected to the first slot (42) along the axial direction of the main beam (41); when the tracked walking module (5) moves to a preset position below the main beam support propulsion mechanism (4), the two are fixed by the limiting member; the lifting mechanism (52) can drive the sliding bearing (53) to move vertically; The transition method includes: S1. The cutterhead (1), the shield (2), the main drive (3) and the main beam support propulsion mechanism (4) are assembled outside the tunnel to form the main excavation module; S2, the lifting mechanism (52) drives the sliding bearing (53) to rise to the height corresponding to the first slot (42); the tracked chassis (51) moves axially along the main beam (41) to insert the sliding bearing (53) into the preset position in the first slot (42); the tracked chassis (51) and the main beam support and propulsion mechanism (4) are fixed by the limiting member; the lifting mechanism (52) lifts the main beam support and propulsion mechanism (4), and the tracked walking module (5) transports the main excavation module to the tunnel face; S3. Remove the limiting component, and the tracked walking module (5) exits from below the main tunneling module, and the main tunneling module tunnels normally.

2. The relocation method for the tracked rock tunnel boring machine according to claim 1, characterized in that, The tracked walking module (5) also includes a track adjustment mechanism (54) and a pair of tracks; The track alignment mechanism (54) is installed at the bottom of the track chassis (51); A pair of tracks are connected to the two ends of the track adjustment mechanism (54) in a one-to-one correspondence, so as to adjust the included angle α between the pair of tracks.

3. The method for relocating a tracked rock tunnel boring machine according to claim 2, characterized in that, The tracked walking module (5) also includes a trapezoidal hinge plate (55); The trapezoidal hinge plate (55) is installed at the bottom end of the track chassis (51); the track adjustment mechanism (54) is located above the trapezoidal hinge plate (55); The side of the track is provided with a V-shaped ear plate (56); the two free ends of the V-shaped ear plate (56) are hinged to the track adjustment mechanism (54) and the trapezoidal hinge plate (55).

4. The method for relocating a tracked rock tunnel boring machine according to claim 2, characterized in that, The tracked walking module (5) also includes a slag baffle (57); The slag baffle (57) is connected to the tracked chassis (51), and the slag baffle (57) is disposed between the shield (2) and the track.

5. The method for relocating a tracked rock tunnel boring machine according to any one of claims 1-4, characterized in that, The main beam support and propulsion mechanism (4) is provided with a rear support (43) and a pair of support shoes (44). The rear support (43) can be raised and lowered along the vertical direction; a pair of support boots (44) can abut against the two side walls of the tunnel; the tracked walking module (5) can pass through the inside of the rear support (43).

6. The method for relocating a tracked rock tunnel boring machine according to any one of claims 1-4, characterized in that, The tracked rock tunnel boring machine also includes a slag conveyor (6). The slag conveyor (6) is connected to the shield (2); a slag discharge channel is installed on the tracked chassis (51); the slag conveyor (6) extends from the inside of the cutter head (1) into the slag discharge channel.

7. The method for relocating a tracked rock tunnel boring machine according to any one of claims 1-4, characterized in that, The tracked rock tunnel boring machine also includes a rear support device (8). The main beam support and propulsion mechanism (4) is detachably connected to the rear supporting device (8); The tracked walking module (5) is detachably mounted on the bottom end of the rear supporting device (8).

8. The method for relocating a tracked rock tunnel boring machine according to claim 7, characterized in that, The multiple rear-mounted devices (8) are detachably connected along the axial direction of the main beam (41); The bottom of each of the multiple rear supporting devices (8) is provided with the track walking module (5).

9. The method for relocating a tracked rock tunnel boring machine according to claim 1, characterized in that, When the main beam support propulsion mechanism (4) fails, the main beam support propulsion mechanism (4) is connected to the track walking module (5), and the track walking module (5) is used as an auxiliary power for the main beam support propulsion mechanism (4).

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