Subway shield segment transportation device

Abstract

The invention discloses a subway shield segment transportation device which comprises a transportation mechanism, a segment fixing mechanism, a segment locking mechanism and a pushing mechanism, the transportation mechanism comprises a transportation compartment bottom plate, and one end of the top end of the transportation compartment bottom plate is fixedly connected with a compartment front baffle; side edge protective fences are fixedly connected to the two sides of the top end of the transportation compartment bottom plate correspondingly, two supporting cylinders are symmetrically and fixedly connected to the side, close to the transportation compartment bottom plate, of the compartment front baffle, and two first fixing frames are symmetrically and fixedly connected to the side, close to the supporting cylinders, of the compartment front baffle; the two first fixing frames are distributed on the two sides of the two supporting cylinders. Through the design of the segment fixing mechanism and the segment locking mechanism, it can be ensured that shield segments are kept stable in the transportation process, shaking or displacement caused by vehicle running is avoided, and therefore the transportation safety is ensured.

Description

Technical Field

[0001] The invention relates to the field of subway shield segment transportation, and in particular to a subway shield segment transportation device. Background Art

[0002] In shield construction, shield segments are the main components of tunnel lining. However, shield segments are large in size, heavy in weight, and irregular in shape, which brings great difficulties to their transportation. Traditional transportation methods often require a lot of manpower and material resources, which is not only inefficient but also has safety hazards. Traditional transportation methods often cannot ensure the stability of shield segments during transportation, which can easily lead to damage or displacement of the segments. Therefore, a subway shield segment transportation device is urgently needed to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a subway shield segment transportation device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a subway shield segment transportation device, comprising a transportation mechanism, a segment fixing mechanism, a segment locking mechanism and a pushing mechanism, the transportation mechanism comprising a transportation compartment floor, one end of the top end of the transportation compartment floor is fixedly connected to a compartment front baffle, the two sides of the top end of the transportation compartment floor are respectively fixedly connected to side guardrails, the side of the compartment front baffle close to the transportation compartment floor is symmetrically fixedly connected to two supporting cylinders, the side of the compartment front baffle close to the supporting cylinder is symmetrically fixedly connected to two first fixing frames, and the two first fixing frames are distributed on both sides of the two supporting cylinders, the top end of the transportation compartment floor is symmetrically fixedly installed with two guide rails, and the top of the transportation compartment floor is fixedly connected to the side of the compartment front baffle close to the supporting cylinder. A threaded rod is rotatably installed on the part, and the top end of the transport carriage floor plate is located at both sides of the threaded rod and is fixedly connected with limited sliding rods respectively. A reducer is fixedly installed on the middle of the end of the bottom end of the transport carriage floor plate away from the front baffle of the carriage, and a servo motor is fixedly installed on the bottom end of the transport carriage floor plate close to the end of the reducer, and the driving end of the servo motor is fixedly installed on the input end of the reducer, and the output end of the reducer passes through the transport carriage floor plate and is located at the top of the transport carriage floor plate, and a second bevel gear is fixedly installed on the output end of the reducer, and a first bevel gear is fixedly installed on the end of the threaded rod away from the front baffle of the carriage, and the first bevel gear and the second bevel gear are meshingly connected, and wheels are evenly arranged on the bottom end of the transport carriage floor plate.

[0005] Preferably, the top end of the transport compartment floor plate is rotatably connected to the rear cover of the compartment at one end away from the front baffle of the compartment, the top end of the side guardrail is fixedly connected to a locking piece, four limiting pieces are symmetrically fixedly installed on the top end of one side of the rear cover of the compartment away from the transport compartment floor plate, a door bolt is slidably connected to the inner sides of two limiting pieces on the same side, a spring is nested on the outer side of the door bolt, a push-pull rod is fixedly connected to the middle part of the bottom end of the door bolt, the door bolt is fixedly connected to a retaining ring on the side of the push-pull rod away from the locking piece, two blocks are symmetrically fixedly connected to the side of the rear cover of the compartment close to the limiting piece, the block is located between the two limiting pieces on the same side, and the door bolt is movably inserted on the inner side of the locking piece.

[0006] Preferably, the segment fixing mechanism includes a first support base plate, a first support frame is fixedly connected to one side of the top end of the first support base plate, a shield segment is placed on the top end of the first support base plate, second fixing frames are respectively fixedly connected to two ends of a side of the first support frame close to the shield segment, groove rollers are symmetrically and evenly fixedly installed on the bottom end of the first support base plate, an inner support portion is evenly fixedly installed on one side of the first support frame, a first rubber gasket is fixedly installed on a side of the inner support portion away from the first support frame, an outer support portion is evenly fixedly installed on a side of the first support frame away from the inner support portion, a second rubber gasket is fixedly installed on a side of the outer support portion away from the first support frame, four fixing bolts are symmetrically and movably inserted on one side of the first support frame close to the second fixing frame, and the fixing bolts are threadedly connected to an end of the second fixing frame away from the first support frame.

[0007] Preferably, the pipe segment locking mechanism includes a second support base plate, the bottom end of the second support base plate is symmetrically fixedly connected to two bottom support frames, a limiting slide groove is provided in the middle of the bottom end of the bottom support frame, one end of the top end of the second support base plate is fixedly connected to the second support frame, the second support frame is evenly fixedly connected to a support inclined plate on a side close to the second support base plate, and two support rods are symmetrically fixedly installed on a side of the second support frame close to the support inclined plate, one end of the support rod away from the second support frame is threadedly connected to a threaded support rod, and one end of the threaded support rod away from the support rod is fixedly connected to a wrench, and the three inner support parts are evenly fixedly installed on a side of the second support frame away from the support inclined plate.

[0008] Preferably, the pushing mechanism includes a moving frame, a sliding groove is provided at the top of the moving frame, a push plate is slidably connected inside the sliding groove, a bevel support plate is evenly and fixedly connected to one side of the push plate, a fixed base plate is fixedly installed at the bottom end of the moving frame, two electric push rods are symmetrically fixedly installed at the top of the fixed base plate, and the telescopic ends of the two electric push rods are symmetrically fixedly installed at the bottom end of the push plate.

[0009] Preferably, the segment fixing mechanism and the segment locking mechanism are both located at the top of the transport compartment floor and on the inner side of the two side guardrails, and the segment fixing mechanism is rollingly connected to the top of the guide rail through the groove roller, the guide rail is slidingly connected to the inner side of the limiting slide groove, and one end of the threaded support rod away from the support rod is in contact and connected with a side of the compartment rear cover close to the compartment front baffle.

[0010] Preferably, the movable frame is threadedly connected to the outside of the threaded rod, the bottom end of the movable frame is slidably connected to the outside of the limiting slide rod, the two ends of the fixed bottom plate are respectively slidably connected to the outside of the two limiting slide rods, and the top end of the movable frame is lower than the bottom ends of the first supporting bottom plate and the second supporting bottom plate.

[0011] Preferably, the inner side of the shield segment is in contact with an end of the first rubber gasket away from the inner support portion, and the outer side of the shield segment is in contact with a side of the second rubber gasket away from the outer support portion.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The present invention can ensure that the shield segments remain stable during transportation through the design of the segment fixing mechanism and the segment locking mechanism, and will not shake or displace due to the driving of the vehicle, thereby ensuring the safety of transportation. The segment fixing mechanism can be conveniently moved and positioned on the bottom plate of the transport compartment, and the adjustment and promotion of the segment fixing mechanism can be achieved by using devices such as servo motors, which greatly reduces the workload of manual handling and adjustment and improves loading efficiency. The first rubber gasket and the second rubber gasket can not only increase the friction with the segment, but also play a buffering and protective role, further improving the fixing effect of the segment and reducing the risk of damage to the segment. During transportation, the dual effects of the segment fixing mechanism and the segment locking mechanism ensure the stable fixation of the shield segments and reduce the risk of safety accidents caused by shaking or displacement of the segments. At the same time, the locking design of the rear cover of the compartment provides safety protection for the entire transportation process and reduces the possibility of the segments falling or being damaged during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main three-dimensional structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the second state structure of the main body in the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of the main body in the second state A of the present invention;

[0017] Figure 4 It is a schematic diagram of the structure of the transport mechanism in the present invention;

[0018] Figure 5 It is a structural schematic diagram of the transport mechanism B in the present invention;

[0019] Figure 6 It is a schematic diagram of the structure of the pipe segment fixing mechanism in the present invention;

[0020] Figure 7 It is a schematic diagram of the disassembled structure of the pipe segment fixing mechanism in the present invention;

[0021] Figure 8 It is a schematic diagram of the structure of the pipe segment locking mechanism in the present invention;

[0022] Fig. 9 It is a schematic diagram of the structure of the pushing mechanism in the present invention.

[0023] In the figure: 1-transport mechanism, 2-segment fixing mechanism, 3-segment locking mechanism, 4-pushing mechanism, 5-transport compartment bottom plate, 6-side guardrail, 7-compartment front baffle, 8-supporting cylinder, 9-first fixing frame, 10-guide rail, 11-wheel, 12-compartment rear cover, 13-reducer, 14-servo motor, 15-threaded rod, 16-limiting slide rod, 17-first bevel gear, 18-second bevel gear, 19-locking member, 20-limiting member, 21-door bolt, 22-spring, 23-blocking ring, 24-push-pull rod, 25-block, 30-first support Support base plate, 31-shield segment, 32-first support frame, 33-second fixed frame, 34-groove roller, 35-fixing bolt, 36-inner support part, 37-first rubber gasket, 38-outer support part, 39-second rubber gasket, 40-second support base plate, 41-bottom support frame, 42-limiting slide groove, 43-second support frame, 44-support inclined plate, 45-support rod, 46-threaded support rod, 47-wrench, 50-movable frame, 51-slide groove, 52-push plate, 53-bevel support plate, 54-fixed base plate, 55-electric push rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 5 , an embodiment of the present invention: a subway shield segment transportation device, comprising a transportation mechanism 1, a segment fixing mechanism 2, a segment locking mechanism 3 and a pushing mechanism 4, the transportation mechanism 1 comprises a transportation compartment bottom plate 5, one end of the top of the transportation compartment bottom plate 5 is fixedly connected with a compartment front baffle 7, the top two sides of the transportation compartment bottom plate 5 are respectively fixedly connected with side guardrails 6, the side of the compartment front baffle 7 close to the transportation compartment bottom plate 5 is symmetrically fixedly connected with two supporting cylinders 8, the side of the compartment front baffle 7 close to the supporting cylinder 8 is symmetrically fixedly connected with two first fixing frames 9, and the two first fixing frames 9 are distributed on both sides of the two supporting cylinders 8, the top of the transportation compartment bottom plate 5 is symmetrically fixedly installed with two guide rails 10, a threaded rod 15 is rotatably installed in the middle of the top of the transportation compartment bottom plate 5, the top of the transportation compartment bottom plate 5 is located on both sides of the threaded rod 15 and is respectively fixedly connected with limiting sliding rods 16, and the middle of the end of the bottom end of the transportation compartment bottom plate 5 away from the compartment front baffle 7 is fixedly installed with The reducer 13 and the servo motor 14 are fixedly installed at one end of the transport compartment floor 5 near the reducer 13, and the driving end of the servo motor 14 is fixedly installed at the input end of the reducer 13. The output end of the reducer 13 passes through the transport compartment floor 5 and is located at the top of the transport compartment floor 5. The output end of the reducer 13 is fixedly installed with a second bevel gear 18, and the end of the threaded rod 15 away from the front baffle 7 of the compartment is fixedly installed with a first bevel gear 17, and the first bevel gear 17 and the second bevel gear 18 are meshingly connected. When the servo motor 14 starts to propel, the driving end of the servo motor 14 drives the second bevel gear 18 to rotate through the reducer 13, and the rotating second bevel gear 18 drives the first bevel gear 17 to rotate, and the rotating first bevel gear 17 drives the threaded rod 15 to rotate. Since the moving frame 50 is threadedly connected to the outside of the threaded rod 15, the rotating threaded rod 15 pushes the moving frame 50 to move away from the rear cover 12 of the compartment, and the bottom end of the transport compartment floor 5 is evenly provided with wheels 11.

[0026] The top of the transport compartment floor 5 is rotatably connected to the end of the compartment front baffle 7, and the top of the side guardrail 6 is fixedly connected to the top of the end of the compartment rear cover 12. Four limiting members 20 are symmetrically fixedly installed on the top of one side of the compartment rear cover 12 away from the transport compartment floor 5. The inner sides of the two limiting members 20 on the same side are slidably connected to the bolts 21, and the outer sides of the bolts 21 are embedded with springs 22. The middle part of the bottom end of the bolt 21 is fixedly connected to a push-pull rod 24, and the bolt 21 is fixedly connected to a retaining ring 23 on the side of the push-pull rod 24 away from the locking member 19. The rear cover 12 is close to the limiting members. Two blocks 25 are symmetrically fixedly connected to one side of the member 20, and the block 25 is located between the two limit members 20 on the same side. The door bolt 21 is movably inserted into the inner side of the locking member 19, and the push-pull rod 24 is pulled away from the locking member 19 by external force. The movement of the push-pull rod 24 drives the door bolt 21 and the block ring 23 to move. The movement of the block ring 23 squeezes the spring 22 to contract. When the push-pull rod 24 moves to the side where the block 25 is away from the locking member 19, it pushes the push-pull rod 24 close to the rear cover 12 of the vehicle. At this time, the door bolt 21 is pulled out from the inside of the locking member 19, and the push-pull rod 24 is blocked by the block 25. Then the rear cover 12 of the vehicle can be opened.

[0027] See also Figure 6 and Figure 7 The segment fixing mechanism 2 includes a first supporting base plate 30, a first supporting frame 32 is fixedly connected to one side of the top of the first supporting base plate 30, a shield segment 31 is placed on the top of the first supporting base plate 30, and the first supporting frame 32 is fixedly connected to the second fixing frame 33 at both ends of the side close to the shield segment 31, and the bottom end of the first supporting base plate 30 is symmetrically and evenly fixedly installed with groove rollers 34, one side of the first supporting frame 32 is evenly fixedly installed with an inner support portion 36, and the side of the inner support portion 36 away from the first supporting frame 32 is fixedly installed with a first rubber gasket 37, and the side of the first supporting frame 32 away from the inner support portion 36 is evenly fixedly installed An outer support portion 38 is provided, and a second rubber gasket 39 is fixedly installed on the side of the outer support portion 38 away from the first support frame 32. Four fixing bolts 35 are symmetrically and movably inserted on the side of the first support frame 32 close to the second fixing frame 33. The fixing bolts 35 are threadedly connected to one end of the second fixing frame 33 away from the first support frame 32. The inner side of the shield segment 31 is in contact and connected with one end of the first rubber gasket 37 away from the inner support portion 36, and the outer side of the shield segment 31 is in contact and connected with the side of the second rubber gasket 39 away from the outer support portion 38. The first rubber gasket 37 and the second rubber gasket 39 can prevent the shield segment 31 from being worn.

[0028] See also Figure 8The pipe segment locking mechanism 3 includes a second supporting bottom plate 40, two bottom supporting frames 41 are symmetrically fixedly connected to the bottom end of the second supporting bottom plate 40, a limiting sliding groove 42 is provided in the middle of the bottom end of the bottom supporting frame 41, one end of the top end of the second supporting bottom plate 40 is fixedly connected to a second supporting frame 43, a side of the second supporting frame 43 close to the second supporting bottom plate 40 is evenly fixedly connected to a supporting inclined plate 44, two supporting rods 45 are symmetrically fixedly installed on one side of the second supporting frame 43 close to the supporting inclined plate 44, and one end of the supporting rod 45 away from the second supporting frame 43 is threadedly connected to A threaded support rod 46 is fixedly connected to one end of the threaded support rod 46 away from the support rod 45 with a wrench 47. The wrench 47 is rotated by an external force, and the rotating wrench 47 drives the threaded support rod 46 to rotate away from the support rod 45 until the end of the threaded support rod 46 away from the support rod 45 is close to the side of the rear cover 12 close to the threaded support rod 46, so that the second support frame 43 can be supported. The three inner support parts 36 are evenly fixedly installed on the side of the second support frame 43 away from the supporting inclined plate 44, and the shield segment 31 at the tail end is supported and fixed by the inner support parts 36.

[0029] See also Figure 2 and Fig. 9 The pushing mechanism 4 includes a moving frame 50, a slide groove 51 is provided at the top of the moving frame 50, a push plate 52 is slidably connected inside the slide groove 51, and a beveled support plate 53 is evenly and fixedly connected to one side of the push plate 52. The beveled support plate 53 can provide support to the side of the push plate 52, and provide support force for the push plate 52 when pushing the first supporting bottom plate 30 to move. A fixed bottom plate 54 is fixedly installed at the bottom end of the moving frame 50, and two electric push rods 55 are symmetrically fixedly installed on the top of the fixed bottom plate 54. The telescopic ends of the two electric push rods 55 are symmetrically fixedly installed on the bottom end of the push plate 52, and the push plate 52 can be pushed to move upward by extending the electric push rods 55.

[0030] The moving frame 50 is threadedly connected to the outside of the threaded rod 15, and the bottom end of the moving frame 50 is slidably connected to the outside of the limiting slide bar 16. The limiting slide bar 16 is used to limit the moving frame 50, and the rotating threaded rod 15 pushes the moving frame 50 to move. The two ends of the fixed bottom plate 54 are respectively slidably connected to the outside of the two limiting slide bars 16, and the top end of the moving frame 50 is lower than the bottom ends of the first supporting bottom plate 30 and the second supporting bottom plate 40.

[0031] See also Figure 1-Figure 8The pipe segment fixing mechanism 2 and the pipe segment locking mechanism 3 are both located at the top of the transport compartment floor 5 and on the inner side of the two side guardrails 6, and the pipe segment fixing mechanism 2 is rollingly connected to the top of the guide rail 10 through the groove roller 34. The groove roller 34 facilitates the movement of the pipe segment fixing mechanism 2 at the top of the guide rail 10. The guide rail 10 is slidably connected to the inner side of the limiting slide groove 42, thereby limiting the second support bottom plate 40 to prevent it from moving in the vertical direction. The end of the threaded support rod 46 away from the support rod 45 is in contact and connected with the side of the compartment rear cover 12 close to the compartment front baffle 7.

[0032] Working principle: During use, first connect the transport compartment floor 5 to the rear of the truck, then drive the truck to drive the transport compartment floor 5 to the loading area of ​​the shield segment 31, and then open the compartment rear cover 12 by external force, pull the push-pull rod 24 away from the locking piece 19 by external force, the movement of the push-pull rod 24 drives the door bolt 21 and the retaining ring 23 to move, and the movement of the retaining ring 23 squeezes the spring 22 to contract, and when the push-pull rod 24 moves to the side where the block 25 is away from the locking piece 19, it pushes the push-pull rod 24 close to the compartment rear cover 12, at this time, the door bolt 21 is pulled out from the inside of the locking piece 19, and the push-pull rod 24 is blocked by the block 25, and then the compartment rear cover 12 can be opened, and after the compartment rear cover 12 is opened, the segment fixing mechanism is fixed by external force 2 is placed at the tail end of the top of the transport compartment bottom plate 5, and the groove roller 34 is stuck in the top of the guide rail 10, and then the segment fixing mechanism 2 is pushed by 4 to move to the end close to the supporting cylinder 8, and the electric push rod 55 is controlled to extend, and the telescopic end of the electric push rod 55 pushes the push plate 52 and the bevel support plate 53 to move upward until the top of the push plate 52 is higher than the top of the first supporting bottom plate 30, and then the servo motor 14 is turned on to start the propulsion, and the driving end of the servo motor 14 drives the second bevel gear 18 to rotate through the reducer 13, and the rotating second bevel gear 18 drives the first bevel gear 17 to rotate, and the rotating first bevel gear 17 drives the threaded rod 15 to rotate. Since the moving frame 50 is threadedly connected to the outer side of the threaded rod 15, the rotating threaded rod 1 The moving frame 50 is pushed to move away from the rear cover 12 of the carriage. The movement of the moving frame 50 drives the push plate 52 to move to the side of the first supporting bottom plate 30 close to the push plate 52. Then, the moving push plate 52 pushes the first supporting bottom plate 30 to move to the top of the first supporting bottom plate 30, where the second fixed frame 33 is close to the end of the first fixed frame 9 away from the front baffle 7 of the carriage, and the outer side of the second rubber gasket 39 is close to the end of the supporting cylinder 8 away from the front baffle 7 of the carriage. Then, the second fixed frame 33 is fixed to the end of the first fixed frame 9 away from the front baffle 7 of the carriage by the fixing bolts 35. When loading the shield segment 31, the shield segment 31 is placed on the top of the first supporting bottom plate 30 by the gantry crane, and the outer side of the shield segment 31 is close to the first rubber gasket. 37, and then start the servo motor 14 to recover, the driving end of the servo motor 14 drives the second bevel gear 18 to reverse through the reducer 13, thereby driving the moving frame 50 to restore to the initial position, and then take out another segment fixing mechanism 2 and push it to be close to the first segment fixing mechanism 2 through the push plate 52, and the outer side of the second rubber gasket 39 in the new segment fixing mechanism 2 is close to the inner side of the shield segment 31, and the fixing bolts 35 pass through the first support frame 32 in the new segment fixing mechanism 2 and are threadedly connected to the second fixing frame 33 in the first segment fixing mechanism 2, and then continue to load the shield segment 31, and fix all the segment fixing mechanisms 2 through the fixing bolts 35 to connect them as a whole;

[0033] When the top of the transport compartment floor 5 is fully loaded, the servo motor 14 drives the moving frame 50 to return to its initial position, and controls the electric push rod 55 to retract. The telescopic end of the electric push rod 55 drives the push plate 52 to move downward to the inside of the slide groove 51, and then the pipe segment locking mechanism 3 is placed at the tail end of the top of the transport compartment floor 5 by external force, and the guide rail 10 is slidably connected to the inside of the limiting slide groove 42, and then the rear cover 12 of the compartment is closed by external force, and the push-pull rod 24 is pulled away from the rear cover 12 of the compartment by external force until the push-pull rod 24 is free from the obstruction of the block 25, and then the bolt 21 is inserted into the inside of the locking member 19, and at this time the spring 22 exerts an impact on the retaining ring 23. The pressure prevents the bolt 21 from retracting and disengaging from the inside of the locking piece 19, and then the wrench 47 is rotated by external force. The rotating wrench 47 drives the threaded support rod 46 to rotate away from the support rod 45 until the end of the threaded support rod 46 away from the support rod 45 is close to the side of the rear cover 12 close to the threaded support rod 46, and the first rubber gasket 37 on the outside of the inner support part 36 in the segment locking mechanism 3 is close to the inner side of the shield segment 31 close to it, and is threadedly connected to the second fixed frame 33 close to the second support frame 43 through the fixing bolt 35. Then the shield segment 31 can be transported by driving the front of the truck.

[0034] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that numerous changes, modifications, substitutions and alterations may be made to the embodiments without departing from the spirit and scope of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A subway shield segment transportation device, comprising a transportation mechanism (1), a segment fixing mechanism (2), a segment locking mechanism (3) and a pushing mechanism (4), characterized in that: The transport mechanism (1) comprises a transport compartment floor (5), one end of the top end of the transport compartment floor (5) is fixedly connected to a compartment front baffle (7), and side guardrails (6) are respectively fixedly connected to the top two sides of the transport compartment floor (5), and two supporting cylinders (8) are symmetrically fixedly connected to the side of the compartment front baffle (7) close to the transport compartment floor (5), and two first fixed frames (9) are symmetrically fixedly connected to the side of the compartment front baffle (7) close to the supporting cylinder (8), and the two first fixed frames (9) are distributed on both sides of the two supporting cylinders (8), and two guide rails (10) are symmetrically fixedly installed at the top end of the transport compartment floor (5), and a threaded rod (15) is rotatably installed in the middle of the top end of the transport compartment floor (5), and the top end of the transport compartment floor (5) is located on both sides of the threaded rod (15) and is respectively fixedly connected to A limit slide bar (16) is provided. A reducer (13) is fixedly installed in the middle of the bottom end of the transport compartment floor (5) away from the compartment front baffle (7). A servo motor (14) is fixedly installed at the bottom end of the transport compartment floor (5) close to the reducer (13). The driving end of the servo motor (14) is fixedly installed at the input end of the reducer (13). The output end of the reducer (13) passes through the transport compartment floor (5) and is located at the top of the transport compartment floor (5). A second bevel gear (18) is fixedly installed at the output end of the reducer (13). A first bevel gear (17) is fixedly installed at the end of the threaded rod (15) away from the compartment front baffle (7), and the first bevel gear (17) and the second bevel gear (18) are meshingly connected. Wheels (11) are evenly arranged at the bottom end of the transport compartment floor (5).

2. A subway shield segment transportation device according to claim 1, characterized in that: The top end of the transport compartment floor plate (5) away from the compartment front baffle (7) is rotatably connected to the compartment rear cover (12), the top end of the side guardrail (6) close to the compartment rear cover (12) is fixedly connected to a locking member (19), the top end of the compartment rear cover (12) away from the transport compartment floor plate (5) is symmetrically fixedly installed with four limiting members (20), the inner sides of the two limiting members (20) on the same side are slidably connected to a bolt (21), and the outer side of the bolt (21) is embedded A spring (22) is sleeved thereon, a push-pull rod (24) is fixedly connected to the middle of the bottom end of the door bolt (21), a retaining ring (23) is fixedly connected to the door bolt (21) on the side of the push-pull rod (24) away from the locking member (19), two retaining blocks (25) are symmetrically fixedly connected to the side of the rear cover (12) close to the limiting member (20), the retaining blocks (25) are located between the two limiting members (20) on the same side, and the door bolt (21) is movably inserted into the inner side of the locking member (19).

3. The subway shield segment transportation device according to claim 1, characterized in that: The segment fixing mechanism (2) comprises a first supporting base plate (30), a first supporting frame (32) is fixedly connected to one side of the top end of the first supporting base plate (30), a shield segment (31) is placed on the top end of the first supporting base plate (30), and second fixing frames (33) are respectively fixedly connected to two ends of a side of the first supporting frame (32) close to the shield segment (31), a groove roller (34) is symmetrically and evenly fixedly installed at the bottom end of the first supporting base plate (30), an inner supporting portion (36) is evenly fixedly installed on one side of the first supporting frame (32), and the inner supporting portion (36) is away from the inner supporting portion (36). A first rubber gasket (37) is fixedly mounted on one side of the first supporting frame (32); an outer supporting portion (38) is evenly fixedly mounted on the side of the first supporting frame (32) away from the inner supporting portion (36); a second rubber gasket (39) is fixedly mounted on the side of the outer supporting portion (38) away from the first supporting frame (32); four fixing bolts (35) are symmetrically and movably inserted on one side of the first supporting frame (32) close to the second fixing frame (33); the fixing bolts (35) are threadedly connected to one end of the second fixing frame (33) away from the first supporting frame (32).

4. A subway shield segment transportation device according to claim 3, characterized in that: The pipe segment locking mechanism (3) comprises a second supporting base plate (40), the bottom end of the second supporting base plate (40) is symmetrically fixedly connected with two bottom supporting frames (41), the middle part of the bottom end of the bottom supporting frame (41) is provided with a limiting sliding groove (42), one end of the top end of the second supporting base plate (40) is fixedly connected with a second supporting frame (43), the side of the second supporting frame (43) close to the second supporting base plate (40) is evenly fixedly connected with a supporting inclined plate (44), the side of the second supporting frame (43) close to the supporting inclined plate (44) is symmetrically fixedly installed with two supporting rods (45), one end of the supporting rod (45) away from the second supporting frame (43) is threadedly connected with a threaded supporting rod (46), and one end of the threaded supporting rod (46) away from the supporting rod (45) is fixedly connected with a wrench (47), and the three inner supporting parts (36) are evenly fixedly installed on the side of the second supporting frame (43) away from the supporting inclined plate (44).

5. The subway shield segment transportation device according to claim 1, characterized in that: The pushing mechanism (4) comprises a moving frame (50), a sliding groove (51) is provided at the top of the moving frame (50), a push plate (52) is slidably connected inside the sliding groove (51), a bevel support plate (53) is evenly fixedly connected to one side of the push plate (52), a fixed bottom plate (54) is fixedly installed at the bottom end of the moving frame (50), two electric push rods (55) are symmetrically fixedly installed at the top of the fixed bottom plate (54), and the telescopic ends of the two electric push rods (55) are symmetrically fixedly installed at the bottom end of the push plate (52).

6. A subway shield segment transportation device according to claim 2 or 4, characterized in that: The pipe segment fixing mechanism (2) and the pipe segment locking mechanism (3) are both located at the top of the transport compartment floor (5) and at the inner side of the two side guardrails (6), and the pipe segment fixing mechanism (2) is rollingly connected to the top of the guide rail (10) through the groove roller (34), and the guide rail (10) is slidingly connected to the inner side of the limiting slide groove (42), and the end of the threaded support rod (46) away from the support rod (45) is in contact with the side of the compartment rear cover (12) close to the compartment front baffle (7).

7. A subway shield segment transportation device according to claim 4 or 5, characterized in that: The movable frame (50) is threadedly connected to the outer side of the threaded rod (15), the bottom end of the movable frame (50) is slidably connected to the outer side of the limiting sliding rod (16), the two ends of the fixed bottom plate (54) are respectively slidably connected to the outer sides of the two limiting sliding rods (16), and the top end of the movable frame (50) is lower than the bottom ends of the first supporting bottom plate (30) and the second supporting bottom plate (40).

8. The subway shield segment transportation device according to claim 3 is characterized by: The inner side of the shield segment (31) is in contact with an end of the first rubber gasket (37) away from the inner support portion (36), and the outer side of the shield segment (31) is in contact with a side of the second rubber gasket (39) away from the outer support portion (38).

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