An intelligent device for shield machine continuous slag discharge and synchronous backfilling

Abstract

The present invention discloses an intelligent device for continuous slag discharge and synchronous backfilling of a shield machine, which relates to the field of slag discharge in shield construction of mine tunnels, including a shield machine main machine, wherein the output end of the electric push rod is connected to a switching barrier. The present invention sets a switching barrier, and through the extension of the electric push rod, the baffle plate is turned from one side of the forked funnel to the other side of the forked funnel, so as to block the slag outlet above the continuous belt conveyor. As the electric push rod continues to extend, the movable rod presses the first arc plug rod, so that the filling plate is inserted into the limiting slot. Since the horizontal height of the filling plate increases when the filling plate is inserted into the limiting slot, the baffle plate is prevented from being stuck when swinging, and the effect of the baffle plate on the slag shielding is enhanced. At this time, the slag falling into the forked funnel through the feed port will fall to the ground through the channel on the other side of the forked funnel, achieving the effect of backfilling and slag discharge, and further improving the backfilling efficiency.

Description

Technical Field

[0001] The invention relates to the field of slag discharge during shield construction of mine tunnels, and in particular to an intelligent device for continuous slag discharge and synchronous backfilling of a shield. Background Art

[0002] During the shield construction of mine tunnels, since the cross-section of the cutterhead excavation is basically circular and the bottom of the tunnel is arc-shaped, it is not conducive to the operation of tire transport vehicles, and it is necessary to use slag backfill and level the road surface; usually, the slag excavated by the shield is transferred to the continuous belt conveyor by the main machine belt conveyor and transported to the outside of the tunnel. The slag excavated by the shield machine is not directly used for backfilling. Instead, the slag is transported from outside the tunnel to the inside of the tunnel in a timely manner by a transport vehicle for backfilling, which makes the construction process cumbersome and inefficient, resulting in increased costs and waste of resources. Summary of the invention

[0003] The purpose of the present invention is to provide an intelligent device for continuous slag discharging and synchronous backfilling of a shield machine in order to solve the problem of low efficiency in backfilling and leveling the road surface with slag during the use of a shield machine.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an intelligent device for continuous slag discharge and synchronous backfilling of a shield machine, comprising a shield machine main machine, a rear supporting trailer, a main machine belt conveyor, a first connecting seat, and a continuous belt conveyor. The shield machine main machine excavates in a tunnel, and its cutter disc rotates to excavate a circular cross-section. The rear supporting trailer is at the rear of the shield machine main machine, providing support for the shield machine supporting equipment. It has wheels at the bottom and can be towed and moved by the shield machine main machine. The main machine belt conveyor is installed on the top of the rear supporting trailer and is responsible for transporting the slag excavated by the shield machine main machine. The unloading drum is installed at the tail of the main machine belt conveyor. A forked funnel is installed at the bottom of the unloading drum, a feed port is provided at the top of the forked funnel, a buffer current limiting component is provided at the bottom of the forked funnel, an electric push rod is provided on the outer wall of the forked funnel on one side of the feed port, an output end of the electric push rod is connected to a switching barrier, and the output end of the electric push rod is connected to a baffle located inside the forked funnel through the switching barrier.

[0005] As a further solution of the present invention: the switching blocking member includes a second connecting seat installed on the outer wall of the forked funnel, the outer wall of the forked funnel is installed with a first connecting seat located above the second connecting seat, the second connecting seat is rotatably connected with a rotating sleeve, the outer wall of the rotating sleeve is installed with a swing rod, the interior of the rotating sleeve is provided with a first connecting cylinder extending to the inner side of the forked funnel, the first connecting cylinder and the forked funnel are rotatably connected through a bearing, the baffle is installed on the outer side of the first connecting cylinder, the outer wall of the first connecting cylinder is installed with a second connecting cylinder extending to the inner side of the baffle, the interior of the second connecting cylinder is plugged with a pushing plug rod extending to the outer side of the second connecting cylinder, the end of the pushing plug rod away from the second connecting cylinder is installed with a filling plate extending to the outer side of the baffle, and the top of the second connecting cylinder is installed with a filling plate connected to the filling plate The cam is connected to the bottom and is located on the outside of the push plug rod. Triangular guide blocks are installed on both sides of the inner wall of the feed port. A limited slot is provided at the bottom inclined surface of the triangular guide block, and the filling plate extends into the limited slot. The end of the rotating sleeve block away from the second connecting seat is rotatably connected to a movable rod, and a torsion spring connected to the movable rod is arranged inside the rotating sleeve block. Blocking plates are installed at both ends of the first connecting seat. An arc warehouse located below the second connecting seat is installed on the outer wall of the forked funnel, and the second arc plug rod and the first arc plug rod are respectively inserted at both ends of the arc warehouse. A guide tube that passes through the movable rod and is connected to the first connecting tube inside the rotating sleeve is provided on the arc warehouse. A blocking plate is provided on one side of the movable rod, and a shifting pin connected to the electric push rod is slidably connected to the inner side of the blocking plate.

[0006] As a further solution of the present invention: the two outlet switches of the bifurcated funnel are controlled by a baffle, and the two outlets face the ground and the continuous belt conveyor respectively.

[0007] As a further solution of the present invention: the guide tube is rotatably connected to the movable rod via a bearing, and a sealing ring is provided at the connection between the guide tube and the first connecting tube.

[0008] As a further solution of the present invention: the width of the supplementary plate is equal to the width of the baffle plate, and the limiting slot fits with the top of the supplementary plate.

[0009] As a further scheme of the present invention: the buffer flow limiting component includes a movable sleeve arranged on the bottom end of the forked funnel, the outer wall of the forked funnel is installed with a support frame located above the movable sleeve, side connecting bins are installed on both sides of the movable sleeve, the interior of the side connecting bin is provided with a rotating coupling extending to the inner side of the movable sleeve, one end of the rotating coupling is installed with a buffer chain located below the forked funnel, one end of the rotating coupling is installed with a second transmission bevel gear located on the inner side of the side connecting bin, the interior of the side connecting bin is provided with a transmission shaft extending to the outer side of the side connecting bin, a first transmission bevel gear meshing with the second transmission bevel gear is provided on the transmission shaft, a positioning rack is installed at the bottom of the support frame, and spur gears meshing with the positioning rack are provided at both ends of the transmission shaft, and a first return spring connected to the forked funnel is installed on the outer wall of the side connecting bin.

[0010] As a further solution of the present invention: a plurality of buffer chains are connected to the inner side of the movable sleeve via a rotating coupling, and the plurality of buffer chains are distributed at equal distances along the transverse central axis of the movable sleeve.

[0011] As a further solution of the present invention: two positioning racks are provided at the bottom of the support frame, and the two positioning racks are symmetrically arranged along the vertical center axis of the support frame.

[0012] As a further solution of the present invention: both sides of the supplementary plate are in contact with the inner wall of the baffle.

[0013] As a further solution of the present invention: the blocking plates at both ends of the first connecting seat are equidistant from the center of the rotating sleeve block.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. By setting a switching blocking member, the electric push rod is extended to separate the filling plate from the limiting slot and retract into the baffle plate. As the swing rod swings, the baffle plate rotates from one side of the forked funnel to the other side of the forked funnel, so as to block the slag outlet above the continuous belt conveyor, so that the swing rod contacts the blocking plate on the other side of the first connecting seat, so that the movable rod presses the first arc plug rod, so that the filling plate is inserted into the limiting slot. Since the horizontal height of the filling plate increases when the filling plate is inserted into the limiting slot, it can prevent slag from appearing on the top of the filling plate, prevent the baffle plate from getting stuck when it swings, and enhance the baffle plate's effect of blocking slag. At this time, the slag that falls into the forked funnel through the feed inlet will fall to the ground through the channel on the other side of the forked funnel, achieving the effect of backfilling and slag discharge, and further improving the backfilling efficiency;

[0016] 2. By setting a buffer current limiting component, when the slag block falls to the inner side of the movable sleeve through the forked funnel, the buffer chain will block the slag block. When the slag block contacts the buffer chain, the movable sleeve is moved downward as a whole through the impact force of the slag block on the buffer chain, and the movable sleeve is buffered by the contraction of the first reset spring. At this time, the spur gear will rotate along the positioning rack, so that the transmission shaft drives the rotating coupling to rotate through the first transmission bevel gear and the second transmission bevel gear. When the rotating coupling rotates, it will drive the buffer chain to rotate, so that the slag block that falls on the buffer chain will shake, thereby preventing the slag block from accumulating on the buffer chain. In this way, the slag block can be buffered without affecting the slag block falling to the outside of the forked funnel, thereby reducing the impact force generated when the slag block falls. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a partial structural schematic diagram of the present invention;

[0019] Figure 3 It is a structural schematic diagram of the bifurcated funnel of the present invention;

[0020] Figure 4 It is a schematic diagram of the bottom structure of the movable cover of the present invention;

[0021] Figure 5 It is a schematic diagram of the connection between the bifurcated funnel and the baffle of the present invention;

[0022] Figure 6 For the present invention Figure 5 Enlarged view of point A in the middle;

[0023] Figure 7 It is a schematic diagram of the connection between the movable rod and the first connecting tube of the present invention;

[0024] Figure 8 It is a schematic diagram of the internal structure of the rotating sleeve block of the present invention;

[0025] Fig. 9 It is a schematic diagram of the internal structure of the side-connected warehouse of the present invention.

[0026] In the figure: 1. Shield machine host; 2. Rear supporting trailer; 3. Main machine belt conveyor; 4. Forked funnel; 5. Continuous belt conveyor; 6. Discharge roller; 7. Electric push rod; 8. Feeding port; 9. First connecting seat; 10. Second connecting seat; 11. Arc bin; 12. First arc plug rod; 13. Guide pipe; 14. Second arc plug rod; 15. Positioning rod; 16. First reset spring; 17. Active sleeve; 18. Positioning pin; 19. Active rod; 20. Support frame; 21. Positioning rack; 22, rotating coupling; 23, buffer chain; 24, filling plate; 25, first connecting tube; 26, triangular guide block; 27, limiting slot; 28, baffle; 29, second return spring; 30, push plug rod; 31, second connecting tube; 32, limiting slide groove; 33, blocking plate; 34, rotating sleeve; 35, torsion spring; 36, side connecting bin; 37, transmission shaft; 38, first transmission bevel gear; 39, spur gear; 40, second transmission bevel gear. DETAILED DESCRIPTION

[0027] 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.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0029] See also Figures 1 to 9In the embodiment of the present invention, a shield machine continuous slag discharge synchronous backfilling intelligent device includes a shield machine mainframe 1, a rear supporting trailer 2, a mainframe belt conveyor 3, a first connecting seat 9, and a continuous belt conveyor 5. The shield machine mainframe 1 is excavated in the tunnel, and its cutter head rotates to excavate a circular cross-section. The rear supporting trailer 2 is at the rear of the shield machine mainframe 1 to provide support for the shield machine supporting equipment. It has wheels at the bottom and can be towed and moved by the shield machine mainframe 1. The mainframe belt conveyor 3 is installed on the top of the rear supporting trailer 2 and is responsible for transporting The slag excavated from the shield machine main unit 1, the unloading roller 6 is installed at the tail of the main unit belt conveyor 3, a forked funnel 4 is installed at the bottom of the unloading roller 6, a feed port 8 is arranged at the top of the forked funnel 4, a buffer current limiting component is arranged at the bottom of the forked funnel 4, an electric push rod 7 is arranged on the outer wall of the forked funnel 4 on one side of the feed port 8, the output end of the electric push rod 7 is connected to a switching barrier, and the output end of the electric push rod 7 is connected to a baffle 28 located inside the forked funnel 4 through the switching barrier.

[0030] In this embodiment, the shield machine main body 1 is excavating in the tunnel, and its cutter disc rotates to excavate a circular cross-section. The rear supporting trailer 2 provides support for the shield machine supporting equipment. The slag excavated by the shield machine main body 1 is transported by the main body belt conveyor 3, and the transported slag will enter the forked funnel 4 through the unloading roller 6 and the feed port 8. Under normal circumstances, the outlet of the forked funnel 4 leading to the ground is blocked by the baffle 28. The slag excavated by the shield machine main body 1 flows through the forked funnel 4 to the continuous belt conveyor 5 and is finally transported to the outside of the tunnel. When it is necessary to perform maintenance on the path of the shield machine main body 1, During the backfilling process, the position of the baffle 28 can be adjusted by the operation of the electric push rod 7 and the switching barrier, so that the baffle 28 blocks the outlet leading to the continuous belt conveyor 5, allowing the debris to flow to the ground for backfilling, and then manually compacted and leveled to form a road that is convenient for vehicles and people to pass. At the same time, the buffering and flow-limiting parts at the bottom of the forked funnel 4 are used to buffer the debris falling to the continuous belt conveyor 5 or flowing to the ground, so as to prevent the debris from having a large impact force when falling and affecting the use of the continuous belt conveyor 5, and also prevent the debris from making a loud noise when falling.

[0031] Please refer to Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8The switching barrier comprises a second connecting seat 10 installed on the outer wall of the forked funnel 4, a first connecting seat 9 located above the second connecting seat 10 is installed on the outer wall of the forked funnel 4, a rotating sleeve 34 is rotatably connected to the second connecting seat 10, a swing rod 15 is installed on the outer wall of the rotating sleeve 34, a first connecting tube 25 extending to the inner side of the forked funnel 4 is arranged inside the rotating sleeve 34, the first connecting tube 25 is rotatably connected to the forked funnel 4 through a bearing, a baffle 28 is installed on the outer side of the first connecting tube 25, a second connecting tube 31 extending to the inner side of the baffle 28 is installed on the outer wall of the first connecting tube 25, a pushing plug rod 30 extending to the outer side of the second connecting tube 31 is inserted into the interior of the second connecting tube 31, a supplementary plate 24 extending to the outer side of the baffle 28 is installed at one end of the pushing plug rod 30 away from the second connecting tube 31, a top of the second connecting tube 31 is provided with a connecting rod connected to the bottom of the supplementary plate 24 and located at the push position A second return spring 29 on the outside of the plug rod 30, triangular guide blocks 26 are installed on both sides of the inner wall of the feed port 8, a limiting slot 27 is provided at the bottom inclined surface of the triangular guide block 26, and the filling plate 24 extends into the limiting slot 27, and the rotating sleeve 34 is rotatably connected to the movable rod 19 at one end away from the second connecting seat 10, and a torsion spring 35 connected to the movable rod 19 is arranged inside the rotating sleeve 34, and blocking plates 33 are installed at both ends of the first connecting seat 9. The outer wall of the forked funnel 4 is installed with an arc-shaped bin 11 located below the second connecting seat 10, and the second arc-shaped plug rod 14 and the first arc-shaped plug rod 12 are respectively inserted at both ends of the arc-shaped bin 11, and a guide tube 13 that penetrates the movable rod 19 and is connected to the first connecting tube 25 inside the rotating sleeve 34 is provided on the arc-shaped bin 11, and a blocking plate 33 is provided on one side of the movable rod 19, and a shifting pin 18 connected to the electric push rod 7 is slidably connected to the inner side of the blocking plate 33.

[0032] In this embodiment, when the electric push rod 7 is extended, the movable rod 19 is driven to swing through the shift pin 18 and the limit slide groove 32. At this time, the torsion spring 35 is reeled and restored, so that the movable rod 19 can rotate relative to the rotating sleeve 34. At the same time, the movable rod 19 will lose the pressure on the second arc plug rod 14. At this time, the second return spring 29 drives the push plug rod 30 to squeeze the aqueous solution inside the second connecting tube 31 under the action of the elastic restoring force, so that the water inside the second connecting tube 31 is released. The solution enters the arc-shaped bin 11 through the first connecting tube 25 and the guide tube 13. At this time, the second arc-shaped plug rod 14 is restored, and the supplementary plate 24 is separated from the limiting slot 27 and retracted into the baffle 28. When the movable rod 19 and the swing rod 15 are turned to the flush position, the torsion spring 35 is completely restored. At this time, when the movable rod 19 swings, it will drive the swing rod 15 to swing through the torsion spring 35. As the swing rod 15 swings, the baffle 28 rotates from one side of the bifurcated funnel 4 to the other side of the bifurcated funnel 4. In this way, the slag outlet above the continuous belt conveyor 5 is blocked, so that the positioning rod 15 contacts the blocking plate 33 on the other side of the first connecting seat 9, and the supplementary plate 24 is aligned with the limiting slot 27. At the same time, the triangular guide block 26 blocks the top of the baffle 28. At this time, the movable rod 19 continues to rotate to make the movable rod 19 rotate relative to the positioning rod 15, so that the movable rod 19 presses the first arc plug rod 12, and part of the aqueous solution in the arc bin 11 enters the second connecting seat 9. The filling plate 24 is inserted into the limiting slot 27, and the horizontal height of the filling plate 24 increases when the filling plate 24 is inserted into the limiting slot 27. In this way, debris can be prevented from appearing on the top of the filling plate 24, and the baffle 28 can be prevented from getting stuck when it swings, thereby enhancing the effect of the baffle 28 on shielding the debris. At this time, the debris that falls into the forked funnel 4 through the feed port 8 will fall to the ground through the channel on the other side of the forked funnel 4, thereby achieving the effect of backfilling and slag discharge, and further improving the backfilling efficiency.

[0033] Please refer to Figure 2 , Figure 3 The two outlet switches of the bifurcated funnel 4 are controlled by a baffle 28, and the two outlets face the ground and the continuous belt conveyor 5 respectively.

[0034] In this embodiment, this structure is provided to adjust the position where the debris falls, so that the debris falls to the ground or onto the continuous belt conveyor 5 .

[0035] Please refer to Figure 3 , Figure 7 , Figure 8 The guide tube 13 is rotatably connected to the movable rod 19 through a bearing, and a sealing ring is provided at the connection between the guide tube 13 and the first connecting tube 25.

[0036] In this embodiment, by providing this structure, the guide tube 13 and the first connecting tube 25 are always in a connected state when the movable rod 19 rotates, and the sealing performance of the connection between the guide tube 13 and the first connecting tube 25 is also improved.

[0037] Please refer to Figure 5 The width of the filling plate 24 is equal to the width of the baffle 28 , and the limiting slot 27 fits with the top of the filling plate 24 .

[0038] In this embodiment, this structure is provided to prevent the debris from falling through the connection between the baffle 28 and the filling plate 24 when the filling plate 24 is inserted into the limiting slot 27. At the same time, the two-stage closure of the filling plate 24 and the baffle 28 is used to prevent the debris from getting stuck at one end of the baffle 28 after the baffle 28 is rotated, thereby preventing the baffle 28 from getting stuck when it is rotated.

[0039] Please refer to Figure 3 , Figure 4 , Fig. 9 The buffer flow limiting component includes a movable sleeve 17 sleeved on the bottom end of the forked funnel 4, a support frame 20 located above the movable sleeve 17 is installed on the outer wall of the forked funnel 4, side connecting bins 36 are installed on both sides of the movable sleeve 17, a rotating shaft 22 extending to the inner side of the movable sleeve 17 is arranged inside the side connecting bin 36, a buffer chain 23 located below the forked funnel 4 is installed at one end of the rotating shaft 22, a second transmission bevel gear 40 located inside the side connecting bin 36 is installed at one end of the rotating shaft 22, a transmission shaft 37 extending to the outer side of the side connecting bin 36 is arranged inside the side connecting bin 36, a first transmission bevel gear 38 meshing with the second transmission bevel gear 40 is arranged on the transmission shaft 37, a positioning rack 21 is installed at the bottom of the support frame 20, and spur gears 39 meshing with the positioning rack 21 are arranged at both ends of the transmission shaft 37, and a first return spring 16 connected to the forked funnel 4 is installed on the outer wall of the side connecting bin 36.

[0040] In this embodiment, when the slag block falls to the inner side of the movable sleeve 17 through the forked funnel 4, the buffer chain 23 will block the slag block. When the slag block contacts the buffer chain 23, the movable sleeve 17 is moved downward as a whole through the impact force of the slag block on the buffer chain 23, and the movable sleeve 17 is buffered by the contraction of the first return spring 16. At this time, the spur gear 39 will rotate along the positioning rack 21, so that the transmission shaft 37 drives the rotating coupling 22 to rotate through the first transmission bevel gear 38 and the second transmission bevel gear 40. When the rotating coupling 22 rotates, it will drive the buffer chain 23 to rotate, so that the slag block falling on the buffer chain 23 is shaken, thereby preventing the slag block from accumulating on the buffer chain 23. In this way, the slag block can be buffered without affecting the slag block falling to the outside of the forked funnel 4, thereby reducing the impact force generated when the slag block falls.

[0041] Please refer to Figure 4 , Fig. 9 The inner side of the movable sleeve 17 is connected to a plurality of buffer chains 23 via a rotating shaft 22 , and the plurality of buffer chains 23 are distributed at equal distances along the transverse center axis of the movable sleeve 17 .

[0042] In this embodiment, the plurality of buffer chains 23 distributed in the movable sleeve 17 are used to block and buffer the debris blocks falling from the bifurcated funnel 4, thereby reducing the impact force generated when the debris blocks fall.

[0043] Please refer to Figure 3 , Figure 4 There are two positioning racks 21 at the bottom of the support frame 20 , and the two positioning racks 21 are symmetrically arranged along the vertical center axis of the support frame 20 .

[0044] In this embodiment, this structure is provided to ensure that the rotation directions of the rotating shafts 22 at both ends of the buffer chain 23 are the same when the spur gear 39 rotates along the positioning rack 21, thereby improving the rotation stability of the buffer chain 23.

[0045] Please refer to Figure 5 , both sides of the filling plate 24 are in contact with the inner wall of the baffle 28 .

[0046] In this embodiment, this structure is provided to increase the sealing performance of the connection between the filling plate 24 and the baffle plate 28 , thereby preventing the debris blocks from entering the interior of the baffle plate 28 through the connection between the filling plate 24 and the baffle plate 28 .

[0047] Please refer to Figure 7 The blocking plates 33 at both ends of the first connecting seat 9 are equidistant from the center of the rotating sleeve block 34 .

[0048] In this embodiment, by providing this structure, when the positioning rod 15 is rotated from a vertical state to a position in contact with the blocking plate 33, its swing angle is equal, so as to accurately control the rotation angle of the baffle 28.

[0049] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An intelligent device for continuous slag discharge and synchronous backfilling of a shield machine, comprising a shield machine main machine (1), a rear supporting trailer (2), a main machine belt conveyor (3), a first connecting seat (9), and a continuous belt conveyor (5), characterized in that: The shield machine mainframe (1) excavates in the tunnel, and its cutter head rotates to excavate a circular cross-section. The rear supporting trailer (2) is at the rear of the shield machine mainframe (1) and provides support for the shield machine supporting equipment. The bottom of the trailer has wheels and can be towed and moved by the shield machine mainframe (1). The mainframe belt conveyor (3) is installed on the top of the rear supporting trailer (2) and is responsible for transporting the slag excavated by the shield machine mainframe (1). The unloading roller (6) is installed at the tail of the mainframe belt conveyor (3). The unloading roller (6) ) is provided with a bifurcated funnel (4) at the bottom, a feed port (8) is provided at the top of the bifurcated funnel (4), a buffer flow limiting component is provided at the bottom end of the bifurcated funnel (4), an electric push rod (7) is provided on the outer wall of the bifurcated funnel (4) and is located on one side of the feed port (8), an output end of the electric push rod (7) is connected to a switching barrier, and the output end of the electric push rod (7) is connected to a baffle (28) located inside the bifurcated funnel (4) through the switching barrier; The switching blocking member comprises a second connecting seat (10) mounted on the outer wall of the bifurcated funnel (4); the outer wall of the bifurcated funnel (4) is mounted with a first connecting seat (9) located above the second connecting seat (10); a rotating sleeve (34) is rotatably connected to the second connecting seat (10); a positioning rod (15) is mounted on the outer wall of the rotating sleeve (34); a first connecting tube (25) extending to the inner side of the bifurcated funnel (4) is arranged inside the rotating sleeve (34); the first connecting tube (25) is rotatably connected to the bifurcated funnel (4) via a bearing, and the blocking member is The plate (28) is mounted on the outside of the first connecting tube (25); the outer wall of the first connecting tube (25) is mounted with a second connecting tube (31) extending to the inside of the baffle plate (28); the interior of the second connecting tube (31) is plugged with a push-in plug rod (30) extending to the outside of the second connecting tube (31); an end of the push-in plug rod (30) away from the second connecting tube (31) is mounted with a supplementary plate (24) extending to the outside of the baffle plate (28); the top of the second connecting tube (31) is mounted with a plug connected to the bottom of the supplementary plate (24) and located at the push-in plug rod (30) A second return spring (29) on the outside, triangular guide blocks (26) are installed on both sides of the inner wall of the feed port (8), a limiting slot (27) is provided at the bottom inclined surface of the triangular guide block (26), and the supplementary plate (24) extends into the limiting slot (27), the end of the rotating sleeve (34) away from the second connecting seat (10) is rotatably connected to the movable rod (19), the interior of the rotating sleeve (34) is provided with a torsion spring (35) connected to the movable rod (19), the two ends of the first connecting seat (9) are installed with blocking plates (33), the The outer wall of the bifurcated funnel (4) is provided with an arc-shaped bin (11) located below the second connecting seat (10), and the two ends of the arc-shaped bin (11) are respectively plugged with a second arc-shaped plug rod (14) and a first arc-shaped plug rod (12), and the arc-shaped bin (11) is provided with a flow guide tube (13) penetrating the movable rod (19) and connected to the first connecting tube (25) inside the rotating sleeve (34), and a blocking plate (33) is provided on one side of the movable rod (19), and a shifting pin (18) connected to the electric push rod (7) is slidably connected to the inner side of the blocking plate (33).

2. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 1, characterized in that: The two outlet switches of the bifurcated funnel (4) are controlled by a baffle (28), and the two outlets face the ground and the continuous belt conveyor (5) respectively.

3. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 1, characterized in that: The flow guide tube (13) is rotatably connected to the movable rod (19) via a bearing, and a sealing ring is provided at the connection between the flow guide tube (13) and the first connecting tube (25).

4. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 1, characterized in that: The width of the supplementary plate (24) is equal to the width of the baffle plate (28), and the limiting slot (27) fits with the top of the supplementary plate (24).

5. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 1, characterized in that: The buffer flow limiting component comprises a movable sleeve (17) sleeved on the bottom end of the bifurcated funnel (4); a support frame (20) located above the movable sleeve (17) is installed on the outer wall of the bifurcated funnel (4); side connecting bins (36) are installed on both sides of the movable sleeve (17); a rotating shaft (22) extending to the inside of the movable sleeve (17) is arranged inside the side connecting bin (36); a buffer chain (23) located below the bifurcated funnel (4) is installed at one end of the rotating shaft (22); and a buffer chain (23) located below the bifurcated funnel (4) is installed at one end of the rotating shaft (22). A second transmission bevel gear (40) is disposed inside the side connection bin (36), a transmission shaft (37) extending to the outside of the side connection bin (36) is disposed inside the side connection bin (36), a first transmission bevel gear (38) meshing with the second transmission bevel gear (40) is disposed on the transmission shaft (37), a positioning rack (21) is mounted on the bottom of the support frame (20), spur gears (39) meshing with the positioning rack (21) are disposed at both ends of the transmission shaft (37), and a first return spring (16) connected to the bifurcated funnel (4) is mounted on the outer wall of the side connection bin (36).

6. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 5, characterized in that: The inner side of the movable sleeve (17) is connected to a plurality of buffer chains (23) via a rotating shaft (22), and the plurality of buffer chains (23) are distributed at equal distances along the transverse central axis of the movable sleeve (17).

7. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 5, characterized in that: Two positioning racks (21) are provided at the bottom of the support frame (20), and the two positioning racks (21) are symmetrically arranged along the vertical center axis of the support frame (20).

8. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 5, characterized in that: Both sides of the supplementary plate (24) are in contact with the inner wall of the baffle plate (28).

9. The intelligent device for continuous slag discharge and synchronous backfilling of a shield machine according to claim 5, characterized in that: The blocking plates (33) at both ends of the first connecting seat (9) are equidistant from the center of the rotating sleeve block (34).

Images