Rescue heading machine and rollback method thereof

Abstract

The invention belongs to the technical field of rescue devices in mines or tunnels, and particularly provides a rescue heading machine and a rollback method thereof. The rescue heading machine retreating method comprises the steps that at least one annular pipe joint located in a shield shell at the front end is detached, part or all of the thrust oil cylinders are controlled to extend backwards and be connected with the pipe joints behind, then the thrust oil cylinders are controlled to be recycled so as to pull a rescue heading machine main machine to retreat, and in the process, the shield shell covers the at least one annular pipe joint again; and then the connection relation between the thrust cylinder and the pipe joint is removed, at least one annular pipe joint located in the shield shell at the front end is removed, and the process is repeated till the rescue heading machine main machine returns to the target position. The rescue heading machine can be used for realizing the rollback method. When the method is implemented, other independent counter-pulling devices do not need to be added, excessive cost cannot be increased, meanwhile, a starting well does not need to be used as a foundation, and the method is suitable for retreating of the rescue heading machine.

Description

Technical Field

[0001] The invention belongs to the technical field of rescue devices in mines or tunnels, and in particular relates to a rescue tunneling machine and a retreat method thereof. Background Art

[0002] Tunnel collapse, especially tunnel collapse accidents, is one of the main risks in the tunnel construction process. After the accident occurs, the rescue of trapped people needs to be completed quickly. During the rescue, the collapsed soil needs to be excavated to form a rescue channel. At present, there are two commonly used methods for excavating rescue channels. One is the small pilot pit method, and the other is the jacking method. The small pilot pit method is to manually excavate a small pilot pit with a triangular or trapezoidal cross-section in the loose collapsed body, and use wooden boards for temporary support. This method has the problem of insufficient support stability. The jacking method is to use a full-section jacking machine to excavate the collapsed soil. After excavation, a rescue channel supported by pipe segments can be directly formed. This method has a slow excavation speed and low efficiency, and it is difficult to achieve rapid rescue.

[0003] The Chinese patent document with application publication number CN114033477A discloses a safe rescue method, in which a self-propelled rescue channel safety rescue equipment (tunnel boring machine) is used. The equipment includes a jacking reaction frame, a jacking head (main machine), a jacking track, etc., wherein the jacking head includes a tubular casing (shield), an annular slide seat (top ring), four hydraulic jacks (thrust cylinders), a hydraulic pump station, etc. The front end of the tubular casing is a beveled pipe mouth, and the two ends of the hydraulic jack are respectively connected between the tubular casing and the annular slide seat, and the hydraulic pump station provides hydraulic power for the telescopic movement of the hydraulic jack. When the equipment starts, the jacking reaction frame provides reaction force support for the forward advancement of the tubular casing. Under the action of the hydraulic jack, the tubular casing can be advanced forward and inserted into the soil in front, and the rescue personnel perform excavation operations in the tubular casing. As the excavation progresses, a ring of pipe segments needs to be assembled at the rear for each excavation stroke. The newly assembled pipe segments are connected to the pipe segments at the rear end. At least one ring of pipe segments at the front end is located inside the shield shell, and the pipe segment at the rear end is connected to the jacking reaction frame. The space inside the pipe segments forms a rescue channel.

[0004] For rescue passages, pipe segments do not necessarily form a permanent support system, and when assembling pipe segments, there is no need to grout the outer periphery of the pipe segments. Therefore, recovering pipe segments and tunnel boring machine mainframes and realizing secondary utilization is critical to reducing the cost of use. In the field of underground tunnel engineering, such as traffic engineering, there are starting wells and receiving wells during construction. The tunnel boring machine mainframe starts excavation from the starting well until it excavates to the receiving well. The tunnel boring machine mainframe can be recovered in the receiving well, and the pipe segments remain in the tunnel to form permanent support. However, for rescue passages, there is no receiving well. If the pipe segments and mainframe need to be recovered, the only option is to consider rolling back the pipe segments and tunnel boring machine mainframe.

[0005] The Chinese patent document with application publication number CN112412470A discloses a method for withdrawing a pipe jacking machine and a pipe section. When withdrawing, a pulling mechanism is required. The pulling mechanism includes a pulling jack (pulling cylinder). When in use, the fixed end of the pulling jack is installed on the wall of the working well (starting well), and the movable end of the pulling jack is connected to the pulling assembly. The pulling assembly is connected to the rear shell (shield shell) of the pipe jacking machine. The pulling assembly is pushed backward by the action of the movable end of the pulling jack, thereby pulling the pipe jacking machine and the pipe section back. After the last pipe section is withdrawn to the working well, the last pipe section is removed, and then it continues to be withdrawn and removed ring by ring to complete the recovery work.

[0006] In the above-mentioned retreat method, a pulling mechanism needs to be configured separately, and the pulling mechanism pulls all the pipe sections and the pipe jacking machine. Therefore, the specifications of the pulling jacks used in the pulling mechanism cannot be too small. It is not difficult to understand that the cost of the pulling mechanism is relatively high, which will increase the overall cost of the rescue tunneling machine. In addition, unlike the construction of the pipe jacking, the rescue task is generally to construct a rescue channel behind the collapse location, and the collapse location may be far away from the location of the starting well. In fact, if the above-mentioned retreat method is adopted, even if a pulling mechanism is configured, there is no foundation to fix the pulling jack behind the collapse location. In other words, for the rescue tunneling machine, there is still the problem of difficulty in recovering the main engine and pipe sections. Summary of the invention

[0007] The purpose of the present invention is to provide a method for retracting a rescue tunnel boring machine to solve the technical problem of difficulty in recovering a main machine and pipe segments of a rescue tunnel boring machine in the prior art. The purpose of the present invention is also to provide a rescue tunnel boring machine to solve the same technical problem.

[0008] In order to achieve the above-mentioned purpose, the technical solution of the rescue tunnel boring machine retreat method provided by the present invention is: A method for retracting a rescue tunnel boring machine comprises removing at least one ring of pipe sections located in a shield shell at the front end, controlling part or all of the propulsion cylinders to extend backward and connect with the pipe sections at the rear, and then controlling the propulsion cylinders to retract to pull the rescue tunnel boring machine main machine to retract. During this process, the shield shell covers at least one ring of pipe sections again, then the connection between the propulsion cylinders and the pipe sections is released, and at least one ring of pipe sections located in the shield shell at the front end is removed, and the above process is repeated until the rescue tunnel boring machine main machine retracts to a target position.

[0009] As a further improvement, when the propulsion cylinder is in an extended state, the propulsion cylinder is connected to the pipe section closest to the propulsion cylinder. After the propulsion cylinder is retracted through a stroke, the connection between the propulsion cylinder and the pipe section is released, and the pipe section is removed.

[0010] As a further improvement, each propulsion cylinder is extended and retracted synchronously by connecting the top ring connected to each propulsion cylinder with the pipe section.

[0011] The beneficial effect is that the present invention is a pioneering invention, and specifically provides a method for using a propulsion cylinder to pull back the main engine of a rescue tunnel boring machine. When the rescue mission is completed and the rescue tunnel boring machine main engine and pipe section need to be recovered, the staff can manually remove the pipe section located in the shield shell so that the propulsion cylinder can be extended backward, and then the propulsion cylinder is connected to the pipe section in the extended state of the propulsion cylinder, and the pipe section is used as a fixed foundation. The propulsion cylinder is recovered to pull the main engine of the tunnel boring machine backward, and the removed pipe section can be directly recovered. After the shield shell retreats a stroke, it will cover the pipe section again, and then the connection between the shield shell and the pipe section will be released, and the pipe section inside the shield shell will be removed again, and then the pipe section will be connected to the propulsion cylinder to pull the main engine of the tunnel boring machine back, and the above process of removing the pipe section and pulling the main engine of the tunnel boring machine back will be repeated to pull the main engine of the tunnel boring machine to the target position. When implementing the present invention, there is no need to add other independent reverse pulling devices, and it will not increase too much cost. At the same time, there is no need to use the starting well as a basis, and it is suitable for the retreat of the rescue tunnel boring machine.

[0012] To achieve the above-mentioned purpose, the technical solution of the rescue tunnel boring machine provided by the present invention is: A rescue tunnel boring machine comprises a shield shell with multiple thrust cylinders connected inside. The thrust cylinders are equipped with a power system for controlling their extension and recovery. The rear ends of at least some of the thrust cylinders are provided with a connecting structure for connecting with a pipe segment, so that after at least one pipe segment located in the shield shell at the front end is removed, the thrust cylinders can be extended to connect it to the rear pipe segment, and then the rescue tunnel boring machine main machine can be pulled back by recovering the thrust cylinders.

[0013] As a further improvement, the connection structure includes a top ring connected to the rear end of each propulsion cylinder, the top ring is movably matched with the inner wall of the shield shell, and the top ring is provided with an adapter structure for connecting and cooperating with the pipe joint.

[0014] As a further improvement, the top ring is provided with through holes for the connecting bolts to pass through, and the through holes constitute the adapting structure.

[0015] As a further improvement, the rear end of the shield shell is provided with a blade structure for removing soil when the rescue tunneling machine retreats.

[0016] As a further improvement, the rescue tunnel boring machine also includes a movable segment transport vehicle, which includes a frame with a segment carrying portion for supporting at least one segment at the top of the frame.

[0017] As a further improvement, a pipe segment assembling mechanism for grabbing and assembling the pipe segments is also provided on the frame.

[0018] As a further improvement, the front end of the shield shell is provided with a cutter structure for cutting into the soil when the rescue tunneling machine advances forward.

[0019] The beneficial effect is that the present invention improves the existing rescue tunnel boring machine. Specifically, the rear end of the propulsion cylinder is provided with a connection structure, and when the propulsion cylinder is in a backward extended state, the propulsion cylinder can be connected to the pipe section through the connection structure. When the rescue mission is completed and the rescue tunnel boring machine main unit and the pipe section need to be recovered, the staff can manually remove the pipe section located in the shield shell so that the propulsion cylinder can be extended backward, and then connect the propulsion cylinder with the pipe section in the extended state of the propulsion cylinder, and use the pipe section as a fixed basis. The propulsion cylinder is recovered to pull the tunnel boring machine main unit backward, and the removed pipe section can be directly recovered. After the shield shell retreats a stroke, it will cover the pipe section again, and then the connection between the shield shell and the pipe section will be released, and the pipe section inside the shield shell will be removed again, and then the pipe section will be connected to the propulsion cylinder to pull the tunnel boring machine main unit back, and the above process of removing the pipe section and pulling the tunnel boring machine main unit back will be repeated to pull the tunnel boring machine main unit to the target position. The present invention does not need to add other independent back-pulling devices during implementation, does not increase excessive costs, and does not need to use the starting well as a basis, so it is suitable for the retreat of the rescue tunneling machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of an embodiment of a rescue tunnel boring machine in the present invention during construction; Figure 2 for Figure 1 Schematic diagram of the structure of the mesoshield; Figure 3 for Figure 1 A cross-sectional view of the middle part of the mesoshield; Figure 4 for Figure 1 A partial enlarged view of the center A (the tail end of the shield); Figure 5 for Figure 1 A partial enlarged view of the front end of the middle shield.

[0021] Description of reference numerals: 1. Shield shell; 2. Propulsion cylinder; 3. Top ring; 4. Segment transport vehicle; 5. Muck truck; 6. Pipe section; 7. Rear leaning device; 101. Front shield; 102. Rear shield; 103. Insertion knife structure; 104. Cutter structure; 105. Pump station; 106. Lighting device; 107. Control system; 601. Segment. DETAILED DESCRIPTION

[0022] After the rescue mission is completed, the recovery and secondary use of the rescue tunnel boring machine mainframe and pipe segments can reduce the use cost of each equipment. In order to achieve the recovery of the rescue tunnel boring machine mainframe and pipe segments, the basic technical concept of the present invention is to use a propulsion cylinder to connect the pipe segments and pull the tunnel boring machine mainframe back. Specifically, when recovery is required, the staff can remove one or more rings of pipe segments inside the shield shell so that the propulsion cylinder can be in a backward extended state, and connect the propulsion cylinder to the pipe segments, and the propulsion cylinder is recovered to pull the rescue tunnel boring machine mainframe back. In the above process, the removed pipe segments can be directly recovered. When the tunnel boring machine mainframe retreats, the propulsion cylinder provides the pulling force for the mainframe to pull back, and the pipe segments and the backrest connected to the pipe segments serve as the basis. There is no need to add an additional back-pulling device, and the entire process does not require too much modification to the construction site, and the recovery of the rescue tunnel boring machine mainframe can be completed.

[0023] The present invention is further described in detail below in conjunction with embodiments and drawings.

[0024] Specific embodiments of the rescue tunneling machine provided by the present invention: The rescue tunneling machine provided in this embodiment is as follows: Figure 1 As shown, it includes a main machine, a muck truck 5, a backrest device 7, etc. The main machine includes a shield shell 1, and the shield shell 1 is an open structure as a whole. Workers can perform excavation operations on collapsed soil inside the shield shell 1. Figure 2 As shown, the shield shell 1 mainly includes two parts, namely the front shield 101 and the rear shield 102. The front shield is provided with a propulsion cylinder 2 inside. The front end of the propulsion cylinder 2 is connected to the shield shell 1, and the rear end is connected to a top ring 3 that cooperates with the inner wall of the shield shell 1. The propulsion cylinder 2 extends backward, and the top ring 3 synchronously moves to push the pipe section 6 to push the shield shell 1 forward and insert it into the soil. In order to ensure sufficient and balanced thrust, multiple propulsion cylinders 2 are provided, for example, four propulsion cylinders 2 can be provided, and the rear end of each propulsion cylinder 2 is connected to the same top ring 3. Figure 3 As shown, the shield 1 is also provided with a power system for the propulsion cylinder 2. Specifically, the power system includes a pump station 105 and a control system 107. The propulsion cylinder 2 is connected to the pump station 105 through a hydraulic pipeline, and the control system 107 is used to control the movement of the propulsion cylinder 2. In addition, the shield 1 is also provided with a lighting device 106, which can facilitate the workers to perform excavation operations in the dark environment of the cave. Specifically, the excavation process of the rescue tunneling machine in this embodiment is consistent with the prior art, which is manual excavation, and the slag generated during the excavation process can be transported out by the slag truck 5.

[0025] The pipe segment 6 is assembled from multiple pipe segments. This embodiment is also equipped with a pipe segment transport vehicle 4 that can transport the pipe segment 601. Figure 1As shown, specifically, the segment transport vehicle 4 includes a frame, a walking mechanism is provided on the frame, and a segment carrier is provided at the top of the frame, and the segment carrier can support more than one segment 601 at a time. The specific structure of the segment 601 carrier is not limited, and it can support the segment 601. During excavation construction, the segment transport vehicle 4 can move inside the pipe section 6 as a whole through the walking mechanism on the frame, and transport the segment 601 to the assembly position.

[0026] In addition, a segment assembly mechanism is also provided on the frame, and the segment assembly mechanism is used to grab and assemble the segment 601. In other words, the segment transport vehicle 4 in this embodiment integrates the segment 601 transportation and segment 601 assembly functions. Specifically, the segment assembly mechanism includes a movable assembly robot arm. More specifically, by analyzing the assembly principle of the segment 601, it can be known that the assembly robot arm should have at least the freedom of rotation and radial extension. For example, as a simple structural implementation, a rotary drive device can be installed at the front end of the frame, and a radially retractable assembly robot arm can be installed on the rotary drive device. The segment 601 can be connected to the assembly robot arm, and the specific connection method can be existing technologies such as claws and vacuum suction cups. Of course, in other implementations, the assembly robot arm can also be a multi-degree-of-freedom robot arm. After the pipe segment 601 is connected to the assembly robot arm, the rotation of the assembly robot arm can drive the pipe segment 601 to move synchronously to different circumferential positions. The extension of the assembly robot arm can push the pipe segment 601 to the assembly position, and the staff uses connecting bolts and other connecting parts to connect two adjacent pipe segments 601 in the circumferential direction to form a ring-shaped pipe segment 6, and connect two adjacent front and rear pipe segments 6 in the axial direction to form a complete rescue channel.

[0027] In the rescue passage finally formed, at least one pipe segment 6 at the front end is located inside the shield shell 1 (specifically the tail shield 102 ), two adjacent pipe segments 6 in the front-to-back direction are connected, and the rearmost pipe segment 6 is connected to the rear leaning device 7 .

[0028] After the rescue mission is completed, the machine needs to be disassembled and recovered. Specifically, in this embodiment, the disassembly and recovery process mainly includes: first, the frontmost ring of pipe segments 6 in the shield shell 1 is removed so that the propulsion cylinder 2 can be in an extended state extending backward, the top ring 3 is pushed backward, and the top ring 3 is connected to the pipe segment 6 closest to the top ring 3 (propulsion cylinder 2) at this time, based on the remaining pipe segments 6 and the back leaning device 7, the propulsion cylinder 2 is recovered, and the main engine is pulled back one stroke. After the main engine has retreated one stroke, a ring of pipe segments 6 at the front end is covered by the shield shell 1 again, and then the connection between the top ring 3 and the pipe segment 6 is released, and the pipe segment 6 is removed, and then the propulsion cylinder 2 is controlled to extend backward, and the top ring 3 is connected to the pipe segment 6 closest to the top ring 3 (propulsion cylinder 2) at this time, based on the remaining pipe segments 6 and the back leaning device 7, the propulsion cylinder 2 is recovered, and the main engine is pulled back one stroke, and the above process is repeated until the main engine retreats to the target position, and the recovery of the main engine and the pipe segment 6 is completed.

[0029] Different from the prior art, this embodiment does not rely on an external back-pull device and does not require a launching well. Instead, it is based on the rear pipe segment 6 and the rear leaning device 7, and utilizes the propulsion cylinder 2 itself to back-pull the main engine back, wherein the removed pipe segment 6 can be directly recovered.

[0030] Analysis of the main engine's back-pull and retraction process shows that the top ring 3 serves to connect the propulsion cylinder 2 and the pipe segment 6. Naturally, an adaptor structure for connecting and cooperating with the pipe segment 6 should be provided on the top ring 3. As a convenient and low-cost method, a through hole for the connecting bolt to pass through can be provided on the top ring 3. When in use, the connecting bolt can be passed through the top ring 3 and the pipe segment 6 and locked with a connecting nut. In other words, the through hole for the connecting bolt to pass through forms an adaptor structure.

[0031] Of course, in other embodiments, the socket-type pipe segment joint in the prior art can also be used to achieve the connection between the top ring 3 and the pipe segment 6. After the rescue mission is completed, the pipe segment joint can be installed on the top ring 3, and the pipe segment joint is equivalent to an adaptation structure.

[0032] like Figure 1 , Figure 2 and Figure 4 As shown, in order to prevent the collapsed soil from preventing the shield shell 1 from retreating, a blade structure 103 is also provided at the rear end of the shield shell 1. During the retreat process, the blade structure 103 can remove the soil that hinders the retreat of the shield shell 1. Specifically, the blade structure 103 includes a plurality of carbide teeth or diamond teeth welded or bolted to the rear end of the shield shell 1.

[0033] Similarly, in order to reduce the resistance during the excavation process, such as Figure 1 , Figure 2 and Figure 5As shown, the front end of the shield shell 1 is provided with a cutter structure 104. Specifically, the cutter structure 104 includes a plurality of carbide teeth or diamond teeth welded or bolted to the front end of the shield shell.

[0034] The top ring 3 can realize the synchronous extension of each cylinder. At the same time, the top ring 3 also has the function of supporting the propulsion cylinder 2 when moving along the inner wall of the shield shell 1. In other embodiments, the top ring 3 may not be provided, but a push plate or other structure may be provided at the rear end of the propulsion cylinder 2. The push plate may be an arc-shaped plate, so as to ensure that the propulsion cylinder 2 can have a larger push contact area with the pipe segment 6 when the rescue tunneling machine is excavating forward. The connection method between the push plate and the pipe segment 6 may be consistent with the connection method between the top ring 3 and the pipe segment 6, such as using a pipe segment joint or a connecting bolt. In this embodiment, the push plate forms a connection structure provided at the rear end of the propulsion cylinder 2 for connecting to the pipe segment 6.

[0035] On the basis of using the push plate as the connection structure, when the rescue tunnel boring machine retreats, it is not necessary for all the propulsion cylinders 2 to extend backwards, and some propulsion cylinders, such as two propulsion cylinders 2, can be extended backwards. Unlike a general pipe jacking machine or TBM, the main engine of the rescue tunnel boring machine is an open structure inside, without a main drive, cutterhead and other structures, and is light in weight. In fact, some propulsion cylinders 2 can actually pull the main engine back to achieve the retreat of the main engine.

[0036] In other embodiments, the tail shield 102 is longer, and the axial length of the pipe segment 6 is shorter, the maximum stroke of the propulsion cylinder 2 is adapted to the axial length of the two-ring pipe segment 6, and two-ring pipe segments 6 can be arranged inside the shield shell 1. In this case, two-ring pipe segments 6 can also be removed at one time, and after the propulsion cylinder 2 recovers one stroke, two-ring pipe segments 6 will be re-covered by the shield shell 1. Similarly, when the maximum stroke of the propulsion cylinder 2 can be met, three or even more pipe segments 6 can be removed at one time.

[0037] In other embodiments, the pipe segment 6 connected to the propulsion cylinder 2 may not be the pipe segment 6 closest to the propulsion cylinder 2. In this case, a longer connecting bracket may be used to connect the propulsion cylinder 2 to the pipe segment 6 on the rear side of the pipe segment 6 closest to the propulsion cylinder 2. The connecting bracket is provided with more than two connecting points connected to the pipe segment 6. When in use, the connecting bracket passes through the interior of the pipe segment 6 and is connected to the pipe segment 6 from the inner periphery of the pipe segment 6. The connecting points are respectively connected to different positions on the circumference of the pipe segment 6.

[0038] Specific embodiments of the rescue tunneling machine retreat method of the present invention: The embodiment of the method for retreating the rescue tunneling machine is the method or process for retreating the rescue tunneling machine described in the above-mentioned embodiment of the rescue tunneling machine, which will not be described in detail here.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for retracting a rescue tunnel boring machine, characterized in that: Remove at least one pipe segment at the front end located in the shield shell, control part or all of the propulsion cylinders to extend backward and connect with the pipe segment at the rear, then control the propulsion cylinders to retract to pull the rescue tunnel boring machine main body back. During this process, the shield shell covers at least one pipe segment again, then releases the connection between the propulsion cylinder and the pipe segment, and removes at least one pipe segment at the front end located in the shield shell, and repeats the above process until the rescue tunnel boring machine main body retreats to the target position.

2. The method for retracting a rescue tunneling machine according to claim 1, wherein When the propulsion cylinder is in the extended state, the propulsion cylinder is connected to the pipe section closest to the propulsion cylinder. After the propulsion cylinder is retracted for one stroke, the connection between the propulsion cylinder and the pipe section is released, and the pipe section is removed.

3. The method for retracting a rescue tunneling machine according to claim 2, characterized in that: Through the connection of the top ring connected to each propulsion cylinder and the pipe joint, each propulsion cylinder is extended and retracted synchronously.

4. A rescue tunneling machine, comprising a shield shell, a plurality of propulsion cylinders are connected to the inside of the shield shell, and the propulsion cylinders are equipped with a power system for controlling their extension and recovery, characterized in that: The rear end of at least part of the thrust cylinder is provided with a connecting structure for connecting to a pipe segment, so that after at least one ring of pipe segments located in the shield shell at the front end is removed, the thrust cylinder can be extended to connect it to the rear pipe segment and then the rescue tunneling machine main body can be pulled back by recovering the thrust cylinder.

5. The rescue tunneling machine according to claim 4, characterized in that: The connection structure comprises a top ring connected to the rear end of each propulsion cylinder, the top ring is movably matched with the inner wall of the shield shell, and the top ring is provided with an adapting structure for connecting and matching with the pipe joint.

6. The rescue tunneling machine according to claim 5, characterized in that: The top ring is provided with through holes for the connecting bolts to pass through, and the through holes constitute the adapting structure.

7. The rescue tunneling machine according to any one of claims 4 to 6, characterized in that: The tail end of the shield shell is provided with a blade structure for removing soil when the rescue tunneling machine retreats.

8. The rescue tunneling machine according to any one of claims 4 to 6, characterized in that the rescue The tunnel boring machine also includes a movable segment transport vehicle, which includes a frame with a segment carrying portion for supporting at least one segment provided on the top of the frame.

9. The rescue tunneling machine according to claim 8, characterized in that: The frame is also provided with a pipe segment assembling mechanism for grabbing and assembling the pipe segments.

10. The rescue tunneling machine according to any one of claims 4 to 6, characterized in that: The front end of the shield shell is provided with a cutter structure for cutting into the soil when the rescue tunneling machine excavates forward.

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