TBM shield follow-up crossing trolley and its use method

Abstract

The present invention discloses a TBM shield follower crossing track trolley and a method for using the same, comprising a sleeper, a transport track and a trolley running track laid on the surface of the sleeper; a multi-section trolley is arranged on the surface of the trolley running track, and the lower surface of the trolley is slidably matched with the trolley running track through running wheels; and a crossing track mechanism is arranged on the surface of the trolley. The device solves the problem in the prior art that in the long-distance single-line transportation of TBM shield construction, when the tail of the TBM trolley discharges materials and an empty and loaded vehicle ready to load materials meets quickly, it is necessary to pass each other, which greatly delays the material transportation rate and affects the excavation efficiency. The device has the characteristics of improving the material transportation and construction efficiency, reducing the difficulty of vehicle dispatching management, and saving costs.

Description

Technical Field

[0001] The invention belongs to the technical field of TBM shield construction, and in particular relates to a TBM shield follower crossover trolley and a use method thereof. Background Art

[0002] In the construction of urban express lines, large-diameter and long-distance TBM shield tunneling technology is increasingly used in engineering project construction. The material transportation problem associated with the TBM shield method has been widely raised, and the research and improvement of the adaptability of its supporting slag removal equipment to construction conditions and technical processes have high value; in the existing technology, in the long-distance single-line transportation of TBM shield construction, the TBM trolley tail discharges materials and the empty and loaded vehicles ready to load materials meet quickly, which greatly slows down the material transportation rate and affects the tunneling efficiency; therefore, it is necessary to continuously invent and improve equipment and devices suitable for TBM shield construction material transportation efficiency to ensure efficient material transportation. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a TBM shield follow-up crossing trolley and a use method, which is used to solve the problem in the prior art that in long-distance single-line transportation of TBM shield construction, the tail of the TBM trolley needs to pass each other when unloading materials and an empty and loaded vehicle ready to load materials meet quickly, which greatly delays the material transportation rate and affects the excavation efficiency. The present invention has the characteristics of improving the material transportation and construction efficiency, reducing the difficulty of vehicle scheduling management and saving costs.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a TBM shield follow-up crossing line trolley, including sleepers, on the surface of which transport tracks and trolley running tracks are laid; on the surface of the trolley running track, multiple trolleys are arranged, and the lower surface of the trolley is slidably matched with the trolley running track through running wheels; and a crossing line track mechanism is arranged on the surface of the trolley.

[0005] Preferably, both ends of the sleeper are connected with removable stirrups, and the upper surfaces of the stirrups are higher than the upper surface of the transport track.

[0006] Preferably, the trolley running track is a double track connected to both ends of the sleeper; the trolley running track is connected to the upper surface of the stirrup, and the track spacing of the trolley running track is greater than the track spacing of the transport track.

[0007] Preferably, the trolley includes a head trolley and a tail trolley, and a plurality of intermediate trolleys are connected between the head trolley and the tail trolley, and the end of the head trolley is connected to the tail of the matching trolley behind the TBM shield.

[0008] Preferably, the crossing track mechanism includes a first symmetrical turnout arranged on the surface of the head trolley and a second symmetrical turnout arranged on the surface of the tail trolley; the first symmetrical turnout is a cross track with four tracks at one end and two tracks at the other end, and the second symmetrical turnout has the same structure as the first symmetrical turnout.

[0009] Preferably, the crossover track mechanism includes a crossover track arranged on the surface of the middle trolley, and the crossover track includes four parallel tracks; both ends of the crossover track are respectively connected to one end of the four tracks of the first symmetrical turnout and the second symmetrical turnout; and the track docking adopts 45° bevel docking.

[0010] Preferably, the end of the tail trolley is connected to a ramp rail, and the ramp rail includes a ramp trolley and a ramp rail bracket that are connected to each other; rails are provided on both sides of the upper surface of the ramp trolley to dock with the double-rail ends of the second symmetrical turnout; the lower surface of the ramp trolley slides with the transport track through a pulley; and the bottom end of the ramp rail bracket contacts and cooperates with the transport track.

[0011] Preferably, the slope of the ramp rail does not exceed the climbing slope of the locomotive when fully loaded; the lower end of the ramp rail bracket is connected to an anti-slip transition rail with an L-shaped plate structure that engages with the side surface of the transport track.

[0012] Preferably, a platform track is provided on the surface of the rear supporting trolley of the TBM shield machine, which is docked with the double-track end of the first symmetrical turnout; the upper track surface elevation of the platform track is the same as the crossover track elevation.

[0013] The method for using the above-mentioned TBM shield follower crossing trolley includes the following steps:

[0014] S1, connecting the multi-section trolley, the ramp trolley and the ramp rail bracket into a whole through the connecting pin;

[0015] S2, connect the whole device to the rear end of the TBM shield rear trolley, so that the multi-section trolleys move with the shield equipment excavation. After the tail trolley moves forward through the fixed-length trolley running track, the trolley running track and stirrups can be removed and laid in front of the TBM shield rear trolley for reuse;

[0016] S3, the rail-mounted material vehicle for transporting materials operates through the crossing track mechanism on the surface of the trolley; when a loaded material vehicle is discharging materials at the same time, and an empty material vehicle is ready to enter the unloading position, the transfer devices at the first symmetrical switch and the second symmetrical switch are switched to ensure the discharging efficiency.

[0017] The beneficial effects of the present invention are:

[0018] 1. The device adopts modular design as a whole, which is very convenient to disassemble and assemble, and has good transportability; the length of the trolley can be freely adjusted by increasing or decreasing the number of intermediate trolleys, so it is convenient to use in different construction environments;

[0019] 2. The TBM shield follow-up crossing trolley moves along with the excavation of the TBM shield, solving the problem of the empty and loaded vehicles at the rear of the TBM trolley quickly passing other vehicles during long-distance single-line transportation of the TBM shield construction. It effectively improves the transportation and construction efficiency of materials, reduces the difficulty of vehicle dispatching management, and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the external structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 The enlarged schematic diagram at A in the middle;

[0022] Figure 3 For the present invention Figure 1 The enlarged schematic diagram of point B in the middle;

[0023] Figure 4 For the present invention Figure 1 The enlarged schematic diagram at C in the middle;

[0024] Figure 5 is a side view of the present invention;

[0025] Figure 6 A top view of the present invention;

[0026] Figure 7 For the present invention Figure 6 Schematic cross-section of the middle CC plane;

[0027] Figure 8 For the present invention Figure 6 Schematic diagram of the cross section of the middle BB surface;

[0028] Fig. 9 For the present invention Figure 6 Schematic diagram of the cross section of the AA surface;

[0029] In the figure: sleeper 1, transport track 2, stirrup 3, trolley running track 4, running wheel 5, trolley 6, head trolley 61, tail trolley 62, middle trolley 63, first symmetrical turnout 7, second symmetrical turnout 8, crossing track 9, transfer device 10, rear supporting trolley platform track 11, rear supporting trolley 12, ramp rail 13, slope trolley 14, ramp rail bracket 15, connecting pin 16, transition rail 17. DETAILED DESCRIPTION

[0030] Embodiment 1:

[0031] like Figures 1 to 9In the present invention, taking the TBM construction of a φ9830mm tunnel as an example, a TBM shield follower crossing track trolley includes a sleeper 1 with a length of 3.3m, and a transport track 2 and a trolley running track 4 are laid on the surface of the sleeper 1; a plurality of trolleys 6 are arranged on the surface of the trolley running track 4, and the lower surface of the trolley 6 is slidably matched with the trolley running track 4 through running wheels 5; a crossing track 9 mechanism is arranged on the surface of the trolley 6.

[0032] Furthermore, the transport track 2 is a P43 track with a track gauge of 970 mm; the trolley travel track 4 is a P43 track with a track gauge of 2910 mm.

[0033] Preferably, both ends of the sleeper 1 are connected with a heightened and removable stirrup 3 with a spacing of 2910 mm, the height of the stirrup 3 is 120 mm, and the upper surface of the stirrup 3 is higher than the upper surface of the transport track 2;

[0034] Preferably, the trolley running track 4 is a double track connected to both ends of the sleeper 1 ; the trolley running track 4 is connected to the upper surface of the stirrup 3 , and the track spacing of the trolley running track 4 is greater than the track spacing of the transport track 2 .

[0035] Furthermore, the length, width and height dimensions of each trolley 6 are 12370*4300*410 mm, and each trolley 6 is provided with four running wheels 5 with a diameter of 260 mm for running on the trolley running track 4 .

[0036] Preferably, the trolley 6 includes a head trolley 61 and a tail trolley 62 , and a plurality of intermediate trolleys 63 are connected between the head trolley 61 and the tail trolley 62 . The end of the head trolley 61 is connected to the tail of the TBM shield rear supporting trolley 12 .

[0037] Preferably, the crossing track 9 mechanism includes a first symmetrical turnout arranged on the surface of the head trolley 61, and a second symmetrical turnout arranged on the surface of the head and tail trolleys 62; the first symmetrical turnout is a cross track with four tracks at one end and two tracks at the other end, and the second symmetrical turnout has the same structure as the first symmetrical turnout; the model of the symmetrical turnouts 7 and 8 is DC943-5-50.

[0038] Preferably, the crossover track 9 mechanism includes a crossover track 9 arranged on the surface of the intermediate trolley 63, and the crossover track 9 includes four parallel tracks; the two ends of the crossover track 9 are respectively connected to one end of the four tracks of the first symmetrical turnout 7 and the second symmetrical turnout 8; the track docking adopts 45° oblique docking; the crossover track 9 selects a four-track double-track crossover track 9 with a track gauge of 970mm and P43.

[0039] Preferably, the end of the tail trolley 62 is connected to a ramp rail 13, and the ramp rail 13 includes a ramp trolley 14 and a ramp rail bracket 15 that are connected to each other; rails are provided on both sides of the upper surface of the ramp trolley 14 to dock with the double-rail ends of the second symmetrical turnout 8; the lower surface of the ramp trolley 14 is slidably matched with the transport rail 2 through a pulley; and the bottom end of the ramp rail bracket 15 is in contact with the transport rail 2.

[0040] Preferably, the slope of the ramp rail 13 does not exceed the climbing slope of the locomotive when fully loaded; the lower end of the ramp rail bracket 15 is connected to an anti-slip transition rail 17 with an L-shaped cross-section plate structure that engages with the side surface of the transport track 2.

[0041] Preferably, the surface of the TBM shield rear supporting trolley 12 is provided with a platform track that is docked with the double-track end of the first symmetrical turnout; the upper track surface elevation of the platform track is the same as the elevation of the crossover track 9.

[0042] Embodiment 2:

[0043] The method for using the above-mentioned TBM shield follower crossing trolley includes the following steps:

[0044] S1, connect the multi-section trolley 6, the ramp trolley 14 and the ramp rail bracket 15 into a whole through the connecting pin 16;

[0045] S2, connect the whole device to the rear end of the TBM shield rear supporting trolley 12, so that the multi-section trolley 6 moves with the shield equipment excavation, and after the tail trolley 63 passes through the fixed-length trolley running track 4, the tail trolley running track 4 and the stirrup 3 can be disassembled and laid in front of the TBM shield rear supporting trolley 12 for reuse;

[0046] S3, the rail-mounted material vehicle for transporting materials operates through the crossing track 9 mechanism on the surface of the trolley 6; when a loaded material vehicle is discharging materials at the same time, and an empty material vehicle is ready to enter the unloading position, the transfer device 10 at the first symmetrical switch 7 and the second symmetrical switch 8 is switched to ensure the efficiency of discharging by passing each other.

[0047] The above-mentioned embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The embodiments and features in the embodiments of the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A TBM shield follower crossing trolley, characterized in that: The invention comprises a rail sleeper (1), wherein the surface of the rail sleeper (1) is provided with a transport track (2) and a trolley running track (4); a plurality of trolleys (6) are provided on the surface of the trolley running track (4), and the lower surface of the trolley (6) is slidably matched with the trolley running track (4) via running wheels (5); a crossover track mechanism is provided on the surface of the trolley (6); the crossover track mechanism comprises a first symmetrical turnout (7) provided on the surface of a head trolley (61), and a second symmetrical turnout (8) provided on the surface of a tail trolley (62); the first symmetrical turnout (7) is a crossover track with four tracks at one end and two tracks at the other end, and the second symmetrical turnout (8) has the same structure as the first symmetrical turnout (7); the crossover track mechanism comprises a crossover track (9) provided on the surface of an intermediate trolley (63), and the crossover track (9) comprises four parallel tracks; two ends of the crossover track (9) are respectively connected to one end of the four tracks of the first symmetrical turnout (7) and the second symmetrical turnout (8); Both ends of the sleeper (1) are connected with removable stirrups (3), the upper surface of the stirrup (3) is higher than the upper surface of the transport track (2), the trolley running track (4) is a double track connected to both ends of the sleeper (1); the trolley running track (4) is connected to the upper surface of the stirrup (3), the track spacing of the trolley running track (4) is greater than the track spacing of the transport track (2), the trolley (6) includes a head trolley (61) and a tail trolley (62), a plurality of intermediate trolleys (63) are connected between the head trolley (61) and the tail trolley (62), the end of the head trolley (61) is connected to the rear end of the TBM shield rear supporting trolley (12), the end of the tail trolley (62) is connected with a ramp rail (13), and the ramp rail (13) includes slope trolleys (12) connected to each other. 4) and a ramp rail bracket (15); rails are arranged on both sides of the upper surface of the ramp trolley (14) and are butt-jointed with the double rail ends of the second symmetrical turnout (8); the lower surface of the ramp trolley (14) is slidably matched with the transport rail (2) through a pulley; the bottom end of the ramp rail bracket (15) is in contact with the transport rail (2); the slope of the ramp rail (13) does not exceed the slope of the fully loaded locomotive climbing slope; the lower end of the ramp rail bracket (15) is connected to an L-shaped plate-shaped anti-detachment transition rail (17) and is engaged with the side surface of the transport rail (2); the surface of the rear matching trolley (12) is provided with a platform rail (11) and is butt-jointed with the double rail ends of the first symmetrical turnout (7); the upper rail surface elevation of the platform rail (11) is the same as the elevation of the crossover rail (9).

2. The method for using the TBM shield follower crossing trolley according to claim 1 is characterized in that: The steps include: S1, connecting the multi-section trolley (6), the ramp trolley (14) and the ramp rail bracket (15) into a whole through a connecting pin (16); S2, connecting the entire device to the rear end of the TBM shield rear supporting trolley (12), so that the multi-section trolley (6) moves with the shield equipment during excavation, and after the tail trolley (62) moves forward and passes through the fixed-length trolley running track (4), the tail trolley running track (4) and the stirrup (3) can be removed and laid in front of the TBM shield rear supporting trolley (12) for reuse; S3, the rail-mounted material vehicle for transporting materials is operated through the crossover track mechanism on the surface of the trolley (6); when a loaded material vehicle is discharging materials and an empty material vehicle is ready to enter the unloading position, the transfer device (10) at the first symmetrical turnout (7) and the second symmetrical turnout (8) is switched to ensure the efficiency of discharging materials.

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