A device for assembling segments of a concealed tunnel

Abstract

The present invention relates to the field of tunnel construction technology, and in particular to an integrated device for assembling pipe segments in a dark-excavated tunnel, comprising a frame system, a control system, a pipe segment hoisting machine, a pipe segment assembling machine and a support shoe frame device; the control system is electrically connected to the pipe segment hoisting machine, the pipe segment assembling machine and the support shoe frame device respectively; the frame system is used to install the pipe segment hoisting machine, the pipe segment assembling machine and the support shoe frame device; the pipe segment hoisting machine is used to grab, lift and move the pipe segments so that the pipe segments are located at the lower end of the pipe segment assembling machine; the pipe segment assembling machine is used to grab, rotate and move the pipe segments so that the pipe segments are fit with the inner wall of the tunnel; the support shoe frame device is used to support the pipe segments so that the pipe segments are assembled to form a ring structure; the control system is used to control the linkage and coordination of the pipe segment hoisting machine, the pipe segment assembling machine and the support shoe frame device. The device has a simple structure and is easy to operate. Through integrated control, it greatly reduces the labor of workers, improves production efficiency and saves costs.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel construction, and in particular to an integrated device for assembling pipe segments of a dark-excavated tunnel. Background Art

[0002] At present, there are mainly two methods for tunnel construction: shield method and mountain tunnel method. The shield method often integrates tunnel excavation and lining construction. The lining construction is completed when the tunnel is through. In view of the relatively stable surrounding rock of the tunnel, the mountain tunnel method is often used. This method uses drilling and blasting, manual labor, or equipment to excavate the tunnel, and selectively reinforces the tunnel wall according to the use of the tunnel. The reinforcement methods include spraying mortar, pouring concrete with secondary lining steel bars, etc., involving on-site binding of steel bars, on-site pouring of concrete, support of formwork trolleys, solidification of concrete, demoulding and other process processes. These lining construction methods are time-consuming and labor-intensive, with high labor costs and low construction efficiency.

[0003] In summary, there is an urgent need for an integrated equipment for assembling tunnel segments in order to solve the problems of time-consuming and labor-intensive reinforcement of tunnel walls, high labor costs and low construction efficiency during mountain tunnel construction. Summary of the Invention

[0004] The purpose of the present invention is to provide an integrated device for assembling segments of a tunnel in a dark tunnel, so as to solve the problems of time-consuming and labor-intensive tunnel wall reinforcement, high labor costs and low construction efficiency in the existing mountain tunnel construction method.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A device for assembling pipe segments in a dark tunnel comprises a frame system, a control system, a pipe segment hoist, a pipe segment assembler and a support shoe device; the control system is electrically connected to the pipe segment hoist, the pipe segment assembler and the support shoe device respectively; the frame system is used to install the pipe segment hoist, the pipe segment assembler and the support shoe device; the pipe segment hoist is used to grab, lift and move the pipe segments so that the pipe segments are located at the lower end of the pipe segment assembler; the pipe segment assembler is used to grab, rotate and move the pipe segments so that the pipe segments are fitted with the inner wall of the tunnel; the support shoe device is used to support the pipe segments so that the pipe segments are assembled to form a ring structure; the control system is used to control the linkage and coordination of the pipe segment hoist, the pipe segment assembler and the support shoe device.

[0007] After debugging the operation program and time of the control system, stack the segments on the lower end of the segment hoisting machine, press the start switch, the segment hoisting machine grabs the segments, and lifts and moves the segments so that the segments are located at the lower end of the segment assembler. The grabbing device of the segment assembler grabs the segments, and rotates and moves the segments so that the segments fit with the inner wall of the tunnel. The support shoe frame device supports the segments so that the segments are assembled into a ring structure, thereby realizing the reinforcement of the excavated tunnel. The control system controls the linkage and coordinated operation of the segment hoisting machine, the segment assembler and the support shoe frame device to realize the lifting, transfer and connection assembly of the segments, thereby realizing automatic reinforcement of the excavated tunnel. The device has a simple structure and is easy to operate. Through integrated control, it greatly reduces the labor of workers, improves production efficiency and saves costs.

[0008] Preferably, the apparatus further comprises a segment transport device, wherein the lower end of the segment transport device is provided with a track, and the track extends to the lower end of the segment hoist. The segment transport device transports the segments along the track to the lower end of the segment hoist. The track ensures the accuracy of the segment transport route, allowing the segments to accurately reach the lower end of the segment hoist, thereby achieving rapid hoisting and improving the working efficiency of the equipment.

[0009] Preferably, the frame system includes a crossbeam, the lower end of which is provided with a mobile support device. Along the segment installation direction, the segment hoist, the segment assembly machine and the shoe support device are sequentially installed on the crossbeam, wherein the segment assembly machine and the shoe support device are respectively connected to the crossbeam in a rolling manner; the segment hoist is fixedly connected to the crossbeam. The segment hoist transfers the segment to the lower end of the segment assembly machine, and the segment assembly machine places the segment inside the tunnel through the action of the segment hoist and the segment assembly machine. The segment hoist and the segment assembly machine move back and forth, so that the segments are assembled into a ring inside the tunnel. The shoe support device abuts against the segment to position it, and bolts connect adjacent segments to form a ring structure. Through the cooperation of the segment hoist, the segment assembly machine and the shoe support device, a mechanical streamlined segment operation process is formed, which improves work efficiency and reduces labor costs.

[0010] Preferably, the mobile support device includes a step-changing column and a tug column; the step-changing column is located on the side of the beam closest to the segment installation and is fixedly connected to the beam; the tug column is located on the side of the beam away from the segment installation and is slidably connected to the beam. The step-changing column and tug column are used to support the beam. During segment installation, the segment assembly machine and the shoe support frame device on the beam move along the beam. The movement of the tug column can also adjust the support position of the beam to prevent the center of gravity of the equipment from shifting and causing tipping.

[0011] Preferably, the system further comprises a plurality of segment support devices, which are arranged in a ring along the upper end of the crossbeam and located between the segment assembly machine and the gripper device. The segment support devices are used to support the segments at the upper end of the tunnel. Segments at the upper end of the tunnel are prone to falling. During the segment assembly process, after the segment assembly machine places the segments at the tunnel top, the segment support devices supplement the support provided by the gripper device, thereby ensuring stable installation of the segments at the upper end of the tunnel.

[0012] Preferably, the segment hoist includes a crane, the lower end of which is provided with a set of electric hoists, each of which is capable of operating within the crane's main beam track; and a segment clamping mechanism is provided at the lower end of the electric hoist. The clamping mechanism clamps the segment, and the electric hoist moves laterally within the crane's main beam track to achieve mobile segment hoisting.

[0013] Preferably, the segment clamping mechanism comprises an upper hanger and a lower hanger, a connecting piece is provided between the upper hanger and the lower hanger, and a connecting fastener is provided at the bottom end of the lower hanger.

[0014] Preferably, the shoe support assembly includes a moving member and a plurality of supporting members, the moving member being rollingly connected to the crossbeam, the supporting members being uniformly distributed circumferentially along the outer side of the moving member, and the supporting member including a piston column and an outer sleeve column, the outer sleeve column being disposed at the top end of the piston column. When the piston column of the supporting member is extended, the outer sleeve column abuts against the inner wall of the tunnel, thereby providing a reaction force for the shoe support assembly to position the segment.

[0015] Preferably, a thrust cylinder is provided on the side of the outer column facing the segment hoisting machine, a support seat is provided on the side of the crossbeam near the step-changing column, and the sidewall of the piston column is connected to the support seat by a hydraulic telescopic rod. The thrust cylinder abuts against the sidewall of the segment to position the segment. After the segments are assembled into a ring shape, the telescopic function of the hydraulic telescopic rod can drive the shoe support device to move on the crossbeam, thereby realizing the movement and repositioning of the shoe support device after the segment is installed, and adjusting the position of the shoe support device on the crossbeam.

[0016] Preferably, the control system includes a distribution box, a PLC module, a display screen, a start switch, a stop switch, an automatic execution switch, an air source processor, a solenoid valve, and a diverter, which are used to respectively control the linked operations of the segment transport device, the rack system, the segment hoisting machine, the segment assembly machine, the segment support device, and the shoe support device.

[0017] Compared with the prior art, the advantages of the present invention are: the present invention provides an integrated device and cleaning method for assembling pipe segments in a dark tunnel, debugs the operating program and time of the control system, stacks the pipe segments on the lower end of the pipe segment hoist, presses the start switch, the pipe segment hoist grabs the pipe segments, and lifts and moves the pipe segments so that the pipe segments are located at the lower end of the pipe segment assembler, the grabbing device of the pipe segment assembler grabs the pipe segments, and rotates and moves the pipe segments so that the pipe segments fit with the inner wall of the tunnel, the support shoe frame device supports the pipe segments so that the pipe segments are assembled into a ring structure, thereby realizing the reinforcement of the excavated tunnel, thereby controlling the linkage and coordinated operation of the pipe segment hoist, the pipe segment assembler and the support shoe frame device through the control system to realize the lifting, transfer and connection assembly of the pipe segments, thereby realizing automatic reinforcement of the excavated tunnel, the device has a simple structure and is easy to operate, and through integrated control, it greatly reduces the labor of workers, improves production efficiency and saves costs.

[0018] The beneficial effects of other embodiments of the present application are:

[0019] 1. The segment transport device transports the segments along the track to the lower end of the segment hoist. The track can ensure the accuracy of the segment transport route, so that the segments can accurately reach the lower end of the segment hoist, thereby achieving rapid lifting and improving the working efficiency of the equipment.

[0020] 2. The segment hoisting machine transfers the segment to the lower end of the segment assembling machine, and the segment assembling machine places the segment on the inside of the tunnel. The segment hoisting machine and the segment assembling machine move back and forth to assemble the segment into a ring on the inside of the tunnel. The support shoe frame device abuts against the segment to position it, and bolts connect adjacent segments to form a ring structure. Through the cooperation of the segment hoisting machine, the segment assembling machine and the support shoe frame device, a mechanically streamlined segment operation process is formed, which improves work efficiency and reduces labor costs.

[0021] 3. The step-changing column and the tugboat column are used to support the crossbeam. During the installation of the segments, the segment assembly machine and the shoe support frame device on the beam move along the beam. The movement of the tugboat column can also adjust the support position of the beam to avoid the center of gravity of the equipment from shifting and tipping over.

[0022] 4. The pipe segments at the upper end of the tunnel are easy to fall off. During the pipe segment assembly process, after the pipe segment assembly machine places the pipe segments on the top of the tunnel, the pipe segment support device supplements the support of the shoe frame device to ensure the stability of the installation of the pipe segments at the upper end of the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of an integrated device for assembling segments of a concealed tunnel according to the present invention.

[0024] Figure 2 for Figure 1 Schematic diagram of the structure of the cross-section at the AA position.

[0025] Figure 3 Figure 1 Schematic diagram of the structure of the cross-section of the middle BB area.

[0026] Figure 4 A schematic structural diagram of the pipe segment hoisting machine and pipe segment assembling machine during operation of the present invention.

[0027] Figure 5 A schematic diagram of the structure of the enlarged portion C in the present invention.

[0028] Reference numerals

[0029] 1-Frame system, 1a-Crossbeam, 1b-Step-changing column, 1c-Tugboat column, 2-Segment hoist, 2a-Crane, 2b-Electric hoist, 2c-Segment clamping mechanism, 2c1-Upper hanger, 2c2-Lower hanger, 2c3-Connecting piece, 2c4-Connecting fastener, 3-Segment assembly machine, 4-Shoe support device, 4a-Moving part, 4b-Supporting part, 4b1-Piston column, 4b2-Outer jacket column, 4b3-Thrust cylinder, 5-Segment transport device, 6-Track, 7-Segment support device, 8-Segment, 9-Support seat, 10-Hydraulic telescopic rod, 11-Tunnel, 12-Reaction frame. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] Example 1

[0032] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The embodiment shown is a device for assembling pipe segments in a dark tunnel, comprising a frame system 1, a control system, a pipe segment hoist 2, a pipe segment assembling machine 3 and a gripper frame device 4; the control system is electrically connected to the pipe segment hoist 2, the pipe segment assembling machine 3 and the gripper frame device 4 respectively; the frame system 1 is used to install the pipe segment hoist 2, the pipe segment assembling machine 3 and the gripper frame device 4; the pipe segment hoist 2 is used to grab, lift and move the pipe segment 8 so that the pipe segment 8 is located in the pipe segment assembling machine. 3; the segment assembling machine 3 is used to grab, rotate and move the segment 8 so that the segment 8 fits the inner wall of the tunnel 12; the gripper device 4 is used to support the segment 8 so that the segment 8 is assembled to form a ring structure; the control system is used to control the linkage between the segment hoisting machine 2, the segment assembling machine 3 and the gripper device 4. After debugging the operation program and time of the control system, the segment 8 is stacked on the lower end of the segment hoisting machine 2, and the start switch is pressed. The segment hoisting machine 2 grabs the segment 8 and the segment assembling machine 3 is assembled to form a ring structure. The pipe segment 8 is lifted and moved so that the pipe segment 8 is located at the lower end of the pipe segment assembly machine 3. The grabbing device of the pipe segment assembly machine 3 grabs the pipe segment 8, and rotates and moves the pipe segment 8 so that the pipe segment 8 fits the inner wall of the tunnel 11. The shoe frame device 4 assembles the pipe segments 8 to form a ring structure, thereby realizing the reinforcement of the excavated tunnel 11. The control system adopts a field bus control system, including a distribution box, a PLC module, a display screen, a start switch, a stop switch, an automatic execution switch, an air source processor, a solenoid valve, and a diverter. The control system is electrically connected to the pipe segment lifting machine 2, the pipe segment assembly machine 3 and the shoe frame device 4 respectively. The control system controls the linkage and coordinated operation of the pipe segment lifting machine 2, the pipe segment assembly machine 3 and the shoe frame device 4 to realize the lifting, transfer and connection assembly of the pipe segment 8, thereby realizing automatic reinforcement of the excavated tunnel 11. The device has a simple structure and is easy to operate. Through integrated control, it greatly reduces the labor of workers, improves production efficiency and saves costs.

[0033] Example 2

[0034] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 In the embodiment shown, the device also includes a segment transport device 5, and a track 6 is provided at the lower end of the segment transport device 5. The guide rail 6 extends to the lower end of the segment hoist 3. The segment transport device 5 moves along the track 6 to transport the segment 8 along the track 6 to the lower end of the segment hoist 2. The track 6 can ensure the accuracy of the transport route of the segment 8, so that the segment 8 can accurately reach the lower end of the segment hoist 3, thereby reducing the transportation time of the segment 8 and improving work efficiency.

[0035] Example 3

[0036] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 In the embodiment shown, the frame system 1 includes a crossbeam 1a, and a movable support device is provided at the lower end of the crossbeam 1a. Along the installation direction of the pipe segment 8, the pipe segment hoisting machine 2, the pipe segment assembling machine 3 and the shoe frame device 4 are installed in sequence on the crossbeam 1a, wherein the pipe segment assembling machine 3 and the shoe frame device 4 are respectively connected to the crossbeam 1a in a rolling manner; the pipe segment hoisting machine 2 is fixedly connected to the crossbeam 1a, and the movable support device includes a step-changing column 1b and a tug column 1c; the step-changing column 1b is located on the side of the crossbeam 1a close to the installation of the pipe segment 8, and the step-changing column 1b is fixedly connected to the crossbeam 1a; the tug column 1c is located on the side of the crossbeam 1a away from the installation of the pipe segment 8, and the step-changing column 1b is slidably connected to the crossbeam 1a, and the pipe segment hoisting machine 3 transfers the pipe segment 8 to the pipe At the lower end of the segment assembly machine 2, the segment 8 is placed on the inner side of the tunnel 11 through the action of the segment assembly machine 2, and the shoe frame device 4 abuts against the side wall of the segment 8 to position the segment 8. The segment hoisting machine 2 and the segment assembling machine 3 move back and forth to assemble the segment 8 on the inner side of the tunnel 11. The segments 8 are connected by bolts to form a ring structure. Through the cooperation of the segment hoisting machine 2, the segment assembling machine 3 and the shoe frame device 4, a mechanical streamlined segment operation process is formed, which improves work efficiency and reduces labor costs; the step column 1b and the tug column 1c are used to support the beam 1a. During the installation of the segments, the segment assembling machine 3 and the shoe frame device 4 on the beam 1a move along the beam 1a. The movement of the tug column 1c can also adjust the support position of the beam 1a to avoid the center of gravity of the equipment from shifting and tipping over.

[0037] Example 4

[0038] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 In the embodiment shown, the device also includes a plurality of segment support devices 7, which are arranged in a ring along the upper end of the beam 1a, and are located between the segment assembly machine 3 and the support shoe device 4. The segment support device 7 is used to support the segment 8 at the upper part of the tunnel. The segment support device 7 is a hydraulic telescopic mechanism. The support for the segment 8 can enhance the stability of the support of the support shoe device 4, thereby ensuring the stability of the installation of the segment 8 at the upper part of the tunnel 11.

[0039] Example 5

[0040] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5In the embodiment shown, the pipe segment hoist 2 includes a crane 2a, with a set of electric hoists 2b mounted at its lower end. Each hoist 2b is capable of operating within the main beam rails of the crane 2a. A pipe segment clamping mechanism 2c is mounted at its lower end. The clamping mechanism 2c comprises an upper hanger 2c1 and a lower hanger 2c2. A connector 2c3 is provided between the upper and lower hangers 2c1 and 2c2, and a fastener 2c4 is provided at the bottom of the lower hanger 2c2. By mounting the set of electric hoists 2b at the lower end of the crane 2a and the pipe segment clamping mechanism 2c at the lower end of the electric hoists 2b, the pipe segment 8 can be hoisted more smoothly than conventional single-hook hoisting.

[0041] Example 6

[0042] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 In the embodiment shown, the shoe support device 4 includes a moving part 4a and several supporting parts 4b. The moving part 4a is rollingly connected to the beam 1a, and the supporting parts 4b are evenly distributed along the outer side of the moving part 4a. The supporting part 4b includes a piston column 4b1 and an outer sleeve column 4b2. The outer sleeve column 4b2 is arranged at the top end of the piston column 4b1. The side of the outer sleeve column 4b2 facing the pipe segment hoisting machine 2 is provided with a pushing cylinder 4b3. The side of the beam 1a close to the step-changing column 1b is provided with a support seat 9. The side wall of the piston column 4b1 is connected to the support seat 9 by a hydraulic telescopic rod 10. The piston column 4b1 of the support part 4b is extended to make the outer sleeve column 4b2 abut against the inner wall of the tunnel 11, which can provide a reaction force for the shoe support device 4 to position the pipe segment 8.

[0043] The working principle of this device is that the control system is electrically connected to the segment transport device 5, the rack system 1, the segment hoisting machine 2, the segment assembling machine 3, the segment support device 7 and the gripper frame device 4 respectively. The control system is used to control the segment transport device 5, the rack system 1, the segment hoisting machine 2, the segment assembling machine 3, the segment support device 7 and the gripper frame device 4 to operate in a coordinated manner. The segment transport device 5 transports the prefabricated segment 8 along the track 6 to the working position of the segment hoisting machine 2. The segment hoisting machine 2 moves to grab the segment 8 and adjusts the posture of the segment 2 to transport it to a position where the segment assembling machine 3 can grab it. The segment hoisting machine 2 removes the segment 8 and returns to grab the next segment 8. At this time, the step column 1b is changed, and the piston column 4b1 of the shoe frame device 4 is fully extended and pushed against the tunnel wall. The step column 1b is changed, the shoe frame device 4 and the tug column 1c jointly support the entire equipment. When assembling the segment 8, the segment assembling machine 3 grabs the segment 8 and lifts and rotates it into place. At this time, the pushing cylinder 4b3 at the corresponding segment 8 on the shoe frame device 4 extends to abut the corresponding segment 8. The pushing force generated by the pushing cylinder 4b3 is applied to one side of the segment 8. The friction force between the pushing cylinder 4b3 and the segment 8 is used to resist the weight of the segment 8 itself. The reaction force generated by the push cylinder 4b3 and the pipe segment 8 is balanced by the reaction frame 12 set on one side of the pipe segment assembly machine 3 and the force of the piston column 4b1 pushing on the tunnel wall. At this time, the pipe segment assembly machine 3 breaks away from the pipe segment 8 and starts to grab the next pipe segment 8. The above actions are repeated. When the pipe segments 8 are assembled into a ring, the pipe segment 8 bolts are connected, and the push cylinder 4b3 removes the thrust. After the assembly of a ring of pipe segments 8 is completed, it starts to enter the step-changing mode. The entire equipment needs to move forward to provide working space for assembling the next ring of pipe segments. All piston columns 4b1 on the shoe support frame device 4 are retracted, and when the hydraulic telescopic rod 10 is retracted Under the traction of the shoe frame device 4, the shoe frame device 4 moves forward. At this time, the entire equipment is supported by the step-changing column 1b and the tug column 1c. After the shoe frame device 4 moves a distance of the width of a pipe segment 8, the piston column 4b1 of the shoe frame device 4 is fully extended and extends on the tunnel wall. Then the piston column in the step-changing column 1b is retracted, and the external oil cylinder pulls the tug column 1c to move, so that the step-changing column 1b, the crossbeam 1a, the pipe segment assembler 3, and the pipe segment hoisting machine 2 move forward a distance of the width of the pipe segment 8. At this time, the entire equipment is supported by the piston column 4b1 of the shoe frame device 4 and the tug column 1c, completing the step-changing operation and starting to assemble the next ring of pipe segments 8.

[0044] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention should be included in the scope of the claims of the present invention.

Claims

1. A device for assembling segments of a dark tunnel, characterized by: It comprises a frame system (1), a control system, a pipe segment hoisting machine (2), a pipe segment assembling machine (3) and a shoe support frame device (4); the control system is electrically connected to the pipe segment hoisting machine (2), the pipe segment assembling machine (3) and the shoe support frame device (4) respectively; The frame system (1) is used to install a segment hoist (2), a segment assembly machine (3) and a shoe support frame device (4); the segment hoist (2) is used to grab, lift and move the segment (8) so that the segment (8) is located at the lower end of the segment assembly machine (3); the segment assembly machine (3) is used to grab, rotate and move the segment (8) so that the segment (8) fits the inner wall of the tunnel (12); the shoe support frame device (4) is used to support the segment (8) so that the segment (8) is assembled to form an annular structure; the control system is used to control the linkage and coordination of the segment hoist (2), the segment assembly machine (3) and the shoe support frame device (4); The frame system (1) comprises a crossbeam (1a), a movable support device is provided at the lower end of the crossbeam (1a), and the segment hoisting machine (2), the segment assembly machine (3) and the shoe support frame device (4) are sequentially installed on the crossbeam (1a) along the installation direction of the segment (8), wherein the segment assembly machine (3) and the shoe support frame device (4) are respectively connected to the crossbeam (1a) in a rolling manner; and the segment hoisting machine (2) is fixedly connected to the crossbeam (1a); The movable support device comprises a step-changing column (1b) and a tug column (1c); the step-changing column (1b) is located on the side of the beam (1a) close to the pipe segment installation, and the step-changing column (1b) is fixedly connected to the beam (1a); the tug column (1c) is located on the side of the beam (1a) away from the pipe segment (8) installation, and the step-changing column (1b) is slidably connected to the beam (1a); The pipe segment hoist (2) comprises a crane (2a), a group of electric hoists (2b) are provided at the lower end of the crane (2a), and each electric hoist (2b) is capable of running within the main beam track of the crane (2a); a pipe segment clamping mechanism (2c) is provided at the lower end of the electric hoist (2b); It also includes a plurality of segment support devices (7), wherein the segment support devices (7) are arranged in a ring shape along the upper end of the crossbeam (1a), and the segment support devices (7) are located between the segment assembly machine (3) and the shoe support device (4), and the segment support devices (7) are used to support the segments (8) at the upper part of the tunnel; The shoe support device (4) includes a moving part (4a) and a plurality of supporting parts (4b), wherein the moving part (4a) is rollingly connected to the crossbeam (1a), and the supporting parts (4b) are uniformly distributed along the outer side of the moving part (4a) in a circumferential direction. The supporting part (4b) includes a piston column (4b1) and an outer sleeve column (4b2), and the outer sleeve column (4b2) is arranged at the top end of the piston column (4b1). A push cylinder (4b3) is provided on the side of the outer sleeve column (4b2) facing the pipe segment hoist (2), a support seat (9) is provided on the side of the crossbeam (1a) close to the step-changing column (1b), and a side wall of the piston column (4b1) is connected to the support seat (9) by a hydraulic telescopic rod (10).

2. The device for assembling segments of a dark-excavated tunnel according to claim 1, characterized in that: It also includes a segment transport device (5), the lower end of which is provided with a track (6), and the track (6) extends to the lower end of the segment hoisting machine (2).

3. The device for assembling segments of a dark-excavated tunnel according to claim 1, characterized in that: The pipe segment clamping mechanism (2c) comprises an upper hanger (2c1) and a lower hanger (2c2); a connecting piece (2c3) is provided between the upper hanger (2c1) and the lower hanger (2c2); and a connecting fastener (2c4) is provided at the bottom end of the lower hanger (2c2).

4. The device for assembling segments of a dark-excavated tunnel according to claim 1, characterized in that: The control system comprises a distribution box, a PLC module, a display screen, a start switch, a stop switch, an automatic execution switch, an air source processor, a solenoid valve, and a diverter, and is used to respectively control the linked operations of the segment transport device (5), the rack system (1), the segment hoisting machine (2), the segment assembly machine (3), the segment support device (7), and the shoe support device (4).

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