A slag soil treatment device for subway tunnel shield construction

Abstract

The application discloses a slag soil treatment device for subway tunnel shield construction, which comprises a treatment cylinder and a supporting frame, the supporting frame is arranged at the bottom of the treatment cylinder and is fixedly connected with the treatment cylinder, a feeding port is communicated with the top of the treatment cylinder, a drain pipe is communicated with the bottom of the treatment cylinder, and the device further comprises a treatment mechanism arranged in the treatment cylinder, the treatment mechanism is fixedly connected with the inner wall of the treatment cylinder, and the treatment mechanism is used for separating and treating the slag soil entering the treatment cylinder; a compaction device is sleeved on the treatment cylinder and is fixedly connected with the treatment cylinder, and the inner side of the compaction device is communicated with the treatment mechanism, and the application relates to the technical field of tunnel construction slag soil treatment. The slag soil treatment device for subway tunnel shield construction can conveniently separate the mud water in the slag soil, and can avoid the situation that the mud water is scattered from the transportation equipment during transportation and causes environmental pollution.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel construction spoil treatment, in particular to a spoil treatment device for subway tunnel shield construction. BACKGROUND

[0002] Tunnel engineering is a building constructed underground or underwater or in a mountain, laying railway or building highway for motor vehicles to pass. According to its location, it can be divided into three categories: mountain tunnel engineering, underwater tunnel engineering and urban tunnel engineering. The mountain tunnel engineering is constructed to cross the mountain or hill from below to shorten the distance and avoid large slope; the underwater tunnel engineering is constructed to cross the river or strait from below to shorten the distance and avoid large slope; the urban tunnel engineering is constructed to cross the city underground to meet the needs of railway passing through the city. Among the three types of tunnel engineering, the mountain tunnel engineering is the most common one. The construction process of road tunnel mainly includes tunnel planning, surveying, design, through control surveying and construction. The mountain tunnel is constructed to cross the mountain or hill from below to shorten the distance and avoid large slope; the underwater tunnel is constructed to cross the river or strait from below to shorten the distance and avoid large slope; the urban tunnel is constructed to cross the city underground to meet the needs of railway passing through the city. Among the three types of tunnel, the mountain tunnel is the most common one, and the shield machine is usually used for excavation operation in the construction process of the mountain tunnel. A large amount of wet spoil is generated in the process of excavation of the shield machine.

[0003] At present, the spoil generated in the construction process is usually treated by directly transporting it out. Due to the high water content of the spoil, part of the spoil is in a semi-flowing state, which can easily pollute the environment during transportation. SUMMARY

[0004] To achieve the above purpose, the present application realizes the technical scheme as follows: a spoil treatment device for subway tunnel shield construction, comprising a treatment cylinder and a support frame, the support frame is arranged at the bottom of the treatment cylinder and is fixedly connected with the treatment cylinder, the top of the treatment cylinder is communicated with a feeding port, and the bottom of the treatment cylinder is communicated with a drain pipe, further comprising:

[0005] A treatment mechanism is arranged in the treatment cylinder, the treatment mechanism is fixedly connected with the inner wall of the treatment cylinder, and the treatment mechanism is used for separating and treating the spoil entering the treatment cylinder.

[0006] A compaction device is arranged on the treatment cylinder and is fixedly connected with the treatment cylinder, the inner side of the compaction device is communicated with the treatment mechanism, and the compaction device is used for compacting the spoil discharged from the treatment mechanism, so as to separate the mud in the spoil and avoid the mud falling from the transportation equipment during transportation to pollute the environment.

[0007] Preferably, the processing mechanism comprises a guide cylinder, the bottom of the guide cylinder is communicated with a discharging cylinder, the end of the discharging cylinder away from the guide cylinder is rotatably connected with a screening cylinder, the end of the screening cylinder close to the guide cylinder is sleeved and fixedly connected with a rotating gear ring, the inner wall of the guide cylinder is fixedly connected with a driving motor through a support, the driving shaft of the driving motor is fixedly connected with a poking frame, the top of the driving motor is fixedly connected with a conical cover, the inner wall of the bottom of the guide cylinder is sleeved and fixedly connected with a drying device, the inner wall of the bottom of the guide cylinder is fixedly connected with a rotating motor, the driving shaft of the rotating motor is fixedly connected with a helical gear matched with the rotating gear ring, which facilitates the separation of the muck and the sludge, and the muck can be continuously lifted and thrown during the movement in the screening cylinder, so that the sludge in the muck can be fully discharged, avoiding the accumulation of the sludge in the dead angle, which leads to the situation that the sludge cannot be discharged, and the sludge discharge is more thorough.

[0008] Preferably, the guide cylinder is arranged in the processing cylinder and fixedly connected with the inner wall of the processing cylinder, the screening cylinder is provided with multiple groups and uniformly distributed on the side surface of the guide cylinder, the end of the screening cylinder away from the discharging cylinder is rotatably connected with a discharging pipe, and the end of the discharging pipe away from the screening cylinder penetrates the processing cylinder and is communicated with the compacting device.

[0009] Preferably, the screening cylinder comprises a cylinder body, the inner wall of the cylinder body is fixedly connected with a partition baffle, and the partition baffle is provided with multiple groups and uniformly distributed on the inner wall of the cylinder body.

[0010] Preferably, the drying device comprises an annular air pipe, the side surface of the annular air pipe is communicated with an inclined air pipe, the two sides of the inclined air pipe are communicated with arc-shaped pipes, the side surface of the arc-shaped pipe is provided with an air outlet, one side of the annular air pipe is communicated with an air inlet pipe, and the inner wall of the annular air pipe is fixedly connected with an electric heating wire, which can dry the muck in the screening cylinder and the screening cylinder, facilitate to improve the dryness of the muck, and make the subsequent compacting device more convenient to compact and form the muck.

[0011] Preferably, the inclined air pipe is provided with multiple groups and uniformly distributed on the annular air pipe, and the annular air pipe is sleeved on the guide cylinder and fixedly connected with the guide cylinder.

[0012] Preferably, the end of the air outlet away from the arc-shaped pipe penetrates the processing cylinder and is communicated with an external air blower, and the air outlet is provided with multiple groups and respectively inclined towards different directions.

[0013] Preferably, the compaction device comprises a ring-shaped compaction box, a fixed base is fixedly connected to the inner wall of the ring-shaped compaction box, a hydraulic push rod is fixedly connected to one side of the fixed base, a push plate is fixedly connected to the end of the hydraulic push rod away from the fixed base, baffles are fixedly connected to the portions of the push plate on both sides of the hydraulic push rod, and an extrusion hole is formed in the portion of the inner bottom of the ring-shaped compaction box on one side of the fixed base, so that loose muck can be compacted and formed, facilitating subsequent transportation of the muck and avoiding the situation that the loose muck is easily scattered during transportation.

[0014] Preferably, the ring-shaped compaction box is sleeved on the treatment cylinder and fixedly connected with the treatment cylinder, and the inner side wall of the ring-shaped compaction box is in communication with the discharge pipe at one end of the screening cylinder.

[0015] Preferably, the push plate is arranged in the ring-shaped compaction box and slidably connected with the inner wall of the ring-shaped compaction box, and the fixed base and the extrusion hole are each provided with multiple groups and are uniformly distributed in the ring-shaped compaction box.

[0016] The application provides a muck treatment device for subway tunnel shield construction.

[0017] 1. The muck treatment device for subway tunnel shield construction, when in use, muck is sent into the inside of the treatment cylinder through the feeding port, then the muck is separated from the sludge water by the treatment mechanism in the inside of the treatment cylinder, the muck separated by the treatment mechanism is compacted in the temple part of the compaction device, and the separated sludge water is discharged from the inside of the treatment cylinder through the drain pipe, so that the sludge water in the muck is separated out conveniently, and the situation that the sludge water is scattered from the transportation equipment during transportation to cause environmental pollution is avoided.

[0018] 2. The muck treatment device for subway tunnel shield construction is provided with a treatment mechanism, when in use, muck enters the inside of the treatment cylinder through the feeding port and falls in the inside of the guide cylinder, the muck in the inside of the guide cylinder is moved to the position of the discharge cylinder under the pushing of the poking frame, and then enters the inside of the screening cylinder from the discharge cylinder, then the helical gear is driven to rotate by the rotating motor, the rotating gear is driven to rotate by the helical gear, the screening cylinder is driven to rotate by the rotating gear, and the muck in the inside of the screening cylinder is lifted up and thrown down by the separation baffle during the rotation of the screening cylinder, so that the sludge water in the inside can be filtered and discharged through the screening cylinder, the muck separated from the sludge water is discharged from the discharge pipe at the bottom of the screening cylinder to the inside of the compaction device, the muck is separated from the sludge water conveniently, and the muck in the inside of the screening cylinder can be lifted up and thrown down continuously during the movement in the inside of the screening cylinder, so that the sludge water in the inside can be discharged sufficiently, the situation that the sludge water is accumulated in the dead angle and cannot be discharged is avoided, and the sludge water is discharged more completely.

[0019] 3. The muck treatment device for subway tunnel shield construction is provided with a drying device, when the muck moves in the inside of the screening cylinder, the wind is sent into the inside of the annular air pipe through the external fan, the wind in the inside of the annular air pipe enters the inside of the arc-shaped pipe after being heated by the electric heating wire, and is discharged from the air outlet to the screening cylinder and the inside of the screening cylinder after being shunted by the arc-shaped pipe, so that the muck in the screening cylinder and the inside of the screening cylinder can be dried, the drying degree of the muck is improved, and the subsequent compaction device can more conveniently compact the muck into a shape.

[0020] 4. The muck treatment device for subway tunnel shield construction is provided with a compaction device, when the muck separated by filtration enters the inside of the annular compaction box through the discharge pipe, the push plate is driven to move by the hydraulic push rod, the push plate pushes the muck in the inside of the annular compaction box to move towards the direction of the extrusion hole, the muck in the inside of the annular compaction box is gradually extruded by the movement of the push plate and the block of the fixed base, the extruded muck is gradually discharged from the extrusion hole, the muck is extruded into a shape by the extrusion hole, the loose muck can be compacted into a shape, the subsequent transportation of the muck is facilitated, and the situation that the loose muck is easily scattered in the transportation process is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the muck treatment device for subway tunnel shield construction of the present application;

[0022] Figure 2 It is an inside structure schematic view of the processing cylinder of the present application;

[0023] Figure 3 It is a top structure schematic view of the processing mechanism of the present application;

[0024] Figure 4 It is a bottom structure schematic view of the processing mechanism of the present application;

[0025] Figure 5 It is an inside structure schematic view of the processing mechanism of the present application;

[0026] Figure 6 It is a structure schematic view of the drying device of the present application;

[0027] Figure 7 It is an inside structure schematic view of the drying device of the present application;

[0028] Figure 8 It is a structure schematic view of the compaction device of the present application.

[0029] In the figure: 1, processing cylinder; 2, support frame; 3, feed inlet; 4, processing mechanism; 41, guide cylinder; 42, discharge cylinder; 43, screening cylinder; 431, cylinder body; 432, separation baffle; 44, rotating gear ring; 45, driving motor; 46, toggle frame; 47, conical cover; 48, drying device; 481, annular air pipe; 482, inclined air pipe; 483, arc-shaped pipe; 484, air outlet; 485, air inlet pipe; 486, heating wire; 49, rotating motor; 40, bevel gear; 5, compaction device; 51, annular compaction box; 52, fixed base; 53, hydraulic push rod; 54, push plate; 55, baffle; 56, extrusion hole; 6, drain pipe. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] Please refer to Figures 1-2 The present application provides a technical solution: a slag treatment device for subway tunnel shield construction, comprising a processing cylinder 1 and a support frame 2, the support frame 2 is arranged at the bottom of the processing cylinder 1 and is fixedly connected with the processing cylinder 1, the top of the processing cylinder 1 is communicated with a feed inlet 3, the bottom of the processing cylinder 1 is communicated with a drain pipe 6, and the device further comprises:

[0032] a processing mechanism 4, which is arranged in the processing cylinder 1 and is fixedly connected with the inner wall of the processing cylinder 1, and is used for separating and treating the slag entering the inside of the processing cylinder 1;

[0033] a compaction device 5, which is sleeved on the processing cylinder 1 and is fixedly connected with the processing cylinder 1, and is in communication with the processing mechanism 4 on the inner side, and is used for compacting the slag discharged from the processing mechanism 4.

[0034] In use, the slag is sent into the inside of the processing cylinder 1 through the feed inlet 3, and then the slag is separated from the slurry by the processing mechanism 4 in the processing cylinder 1, the slag separated by the processing mechanism 4 is compacted in the temporal part of the compaction device 5, and the separated slurry is discharged from the inside of the processing cylinder 1 through the drain pipe 6, so that the slurry in the slag is separated out conveniently, and the situation that the slurry falls off from the transportation equipment during transportation and pollutes the environment is avoided.

[0035] Please refer to Figures 1-5The present invention provides a technical solution: the processing mechanism 4 includes a guide cylinder 41, the bottom of the guide cylinder 41 is connected to a discharge cylinder 42, the end of the discharge cylinder 42 away from the guide cylinder 41 is rotatably connected to the screening cylinder 43, the end of the screening cylinder 43 close to the guide cylinder 41 is sleeved and fixedly connected to a rotating gear ring 44, the inner wall of the guide cylinder 41 is fixedly connected to a drive motor 45 through a bracket, the drive shaft of the drive motor 45 is fixedly connected to a toggle frame 46, the top of the drive motor 45 is fixedly connected to a conical cover 47, the bottom of the inner wall of the guide cylinder 41 is sleeved and fixedly connected to a drying Device 48, the bottom of the inner wall of the guide cylinder 41 is fixedly connected to a rotating motor 49, the driving shaft of the rotating motor 49 is fixedly connected to a bevel gear 40 adapted to the rotating ring gear 44, the guide cylinder 41 is arranged inside the processing cylinder 1 and is fixedly connected to the inner wall of the processing cylinder 1, the screening cylinder 43 is provided with multiple groups and is evenly distributed on the side of the guide cylinder 41, the end of the screening cylinder 43 away from the discharge cylinder 42 is rotatably connected to the discharge pipe, the end of the discharge pipe away from the screening cylinder 43 passes through the processing cylinder 1 and is connected to the compacting device 5, the screening cylinder 43 includes a cylinder body 431, the cylinder body 43 1 is fixedly connected to the inner wall of the cylinder 431 with a partition baffle 432. The partition baffle 432 is provided with multiple groups and is evenly distributed on the inner wall of the cylinder 431. A processing mechanism 4 is provided. When in use, the slag enters the processing cylinder 1 through the feed port 3 and falls into the guide cylinder 41. The slag entering the guide cylinder 41 moves to the position of the discharge cylinder 42 under the push of the toggle frame 46, and enters the screening cylinder 43 from the discharge cylinder 42. Then, the rotating motor 49 drives the helical gear 40 to rotate, the helical gear 40 drives the rotating ring gear 44 to rotate, and the rotating ring gear 44 drives the screening cylinder 43 to rotate. The drum 43 rotates, and during the rotation of the screening drum 43, the debris inside it is driven to be lifted up and thrown down through the partition baffle 432, so that the mud and water inside can be filtered and discharged through the screening drum 43, and the debris separated from the mud and water can be discharged from the discharge pipe at the bottom of the screening drum 43 to the inside of the compacting device 5, which is convenient for separating the debris from the mud and water. In addition, the debris can be continuously lifted up and thrown down during the movement inside the screening drum 43, which can fully discharge the mud and water inside it, avoid the situation where mud and water accumulate in dead corners and cannot be discharged, and the mud and water are discharged more thoroughly.

[0036] See also Figures 1-7The present application provides a technical scheme: the drying device 48 comprises an annular air pipe 481, the annular air pipe 481 is communicated with the inclined air pipe 482 on the side, the inclined air pipe 482 is communicated with the arc-shaped pipe 483 on both sides, the arc-shaped pipe 483 is provided with the air outlet 484 on the side, the annular air pipe 481 is communicated with the air inlet pipe 485 on one side, the annular air pipe 481 is fixedly connected with the heating wire 486 on the inner wall, the inclined air pipe 482 is provided with multiple groups and is uniformly distributed on the annular air pipe 481, the annular air pipe 481 is sleeved on the guide cylinder 41 and is fixedly connected with the guide cylinder 41, the air outlet 484 penetrates the treatment cylinder 1 away from one end of the arc-shaped pipe 483 and is communicated with the external fan, the air outlet 484 is provided with multiple groups and is inclined to different directions respectively, the drying device 48 is provided, when the slag moves in the screening cylinder 43, the external fan sends the air into the annular air pipe 481, the air in the annular air pipe 481 is heated by the heating wire 486, enters the arc-shaped pipe 483, is discharged from the air outlet 484 on the screening cylinder 43 and in the screening cylinder 43 after being shunted by the arc-shaped pipe 483, the drying operation of the screening cylinder 43 and the slag in the screening cylinder 43 can be carried out, the drying degree of the slag is conveniently improved, and the subsequent compaction device 5 can conveniently compact the slag into a shape.

[0037] Please refer to Figures 1-8 The present application provides a technical scheme: the compaction device 5 comprises an annular compaction box 51, the annular compaction box 51 is fixedly connected with the fixed base 52 on the inner wall, the fixed base 52 is fixedly connected with the hydraulic push rod 53 on one side, the hydraulic push rod 53 is fixedly connected with the push plate 54 away from the fixed base 52, the push plate 54 is fixedly connected with the baffle 55 on the part located on both sides of the hydraulic push rod 53, the extrusion hole 56 is formed in the part of the annular compaction box 51 on the inner bottom and on one side of the fixed base 52, the annular compaction box 51 is sleeved on the treatment cylinder 1 and is fixedly connected with the treatment cylinder 1, the inner side wall of the annular compaction box 51 is communicated with the discharge pipe on one end of the screening cylinder 43, the push plate 54 is arranged in the annular compaction box 51 and is slidably connected with the inner wall of the annular compaction box 51, the fixed base 52 and the extrusion hole 56 are provided with multiple groups and are uniformly distributed in the annular compaction box 51, and the compaction device 5 is provided, when the slag separated by filtration enters the annular compaction box 51 through the discharge pipe, the push plate 54 is driven to move by the hydraulic push rod 53, the push plate 54 drives the slag in the annular compaction box 51 to move towards the direction of the extrusion hole 56, the slag in the annular compaction box 51 is gradually extruded by the movement of the push plate 54 and the blockage of the fixed base 52, and the extruded slag is gradually discharged from the extrusion hole 56, so that the loose slag can be compacted and formed by extruding the slag through the extrusion hole 56, facilitating subsequent transportation of the slag, and avoiding the loose slag from being easily scattered during transportation.

[0038] Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, if not specifically described and limited.

Claims

1. A slag processing device for subway tunnel shield construction, comprising a processing tube (1) and a support frame (2), wherein the support frame (2) is arranged at the bottom of the processing tube (1) and is fixedly connected to the processing tube (1), the top of the processing tube (1) is connected to a feed port (3), and the bottom of the processing tube (1) is connected to a drain pipe (6), characterized in that: Also include: Processing mechanism (4), the processing mechanism (4) is arranged inside the processing cylinder (1), the processing mechanism (4) is fixedly connected with the inner wall of the processing cylinder (1), and the processing mechanism (4) is used for separating and processing the muck entering the inside of the processing cylinder (1); The compaction device (5) is sleeved on the processing cylinder (1) and is fixedly connected with the processing cylinder (1), the inner side of the compaction device (5) is communicated with the processing mechanism (4), and the compaction device (5) is used for compacting the muck discharged from the processing mechanism (4); The processing mechanism (4) includes a guide cylinder (41), a discharge cylinder (42) is communicated at the bottom of the guide cylinder (41), a screening cylinder (43) is rotatably connected to one end of the discharge cylinder (42) away from the guide cylinder (41), a rotating gear ring (44) is sleeved and fixedly connected to one end of the screening cylinder (43) close to the guide cylinder (41), a driving motor (45) is fixedly connected to the inner wall of the guide cylinder (41) through a support, a poking frame (46) is fixedly connected to the driving shaft of the driving motor (45), a conical cover (47) is fixedly connected to the top of the driving motor (45), a drying device (48) is sleeved and fixedly connected to the inner wall of the guide cylinder (41) at the bottom, a rotating motor (49) is fixedly connected to the inner wall of the guide cylinder (41) at the bottom, and a bevel gear (40) matched with the rotating gear ring (44) is fixedly connected to the driving shaft of the rotating motor (49); The guide cylinder (41) is arranged inside the processing cylinder (1) and is fixedly connected with the inner wall of the processing cylinder (1), the screening cylinder (43) is provided with multiple groups and is uniformly distributed on the side surface of the guide cylinder (41), one end of the screening cylinder (43) away from the discharge cylinder (42) is rotatably connected with a discharge pipe, and one end of the discharge pipe away from the screening cylinder (43) penetrates the processing cylinder (1) and is communicated with the compaction device (5); The screening cylinder (43) includes a cylinder body (431), and the inner wall of the cylinder body (431) is fixedly connected with a partition baffle (432).

2. The muck handling apparatus for use in a shield-driven subway tunnel construction according to claim 1, characterized in that: The drying device (48) includes an annular air pipe (481), the annular air pipe (481) is communicated with a inclined air pipe (482) on the side surface, the inclined air pipe (482) is communicated with an arc-shaped pipe (483) on both sides, the arc-shaped pipe (483) is provided with an air outlet (484) on the side surface, the annular air pipe (481) is communicated with an air inlet pipe (485) on one side, and the inner wall of the annular air pipe (481) is fixedly connected with an electric heating wire (486).

3. The muck handling apparatus for use in metro tunneling shield construction according to claim 2, characterized in that: The inclined air pipe (482) is provided with multiple groups and is uniformly distributed on the annular air pipe (481), and the annular air pipe (481) is sleeved on the guide cylinder (41) and is fixedly connected with the guide cylinder (41).

4. The muck handling apparatus for use in metro tunneling shield construction according to claim 2, characterized in that: One end of the air outlet (484) away from the arc-shaped pipe (483) penetrates the processing cylinder (1) and is communicated with an external fan, and the air outlet (484) is provided with multiple groups and is respectively inclined to different directions.

5. The muck handling apparatus for use in subway tunneling according to claim 1, characterized in that: The compaction device (5) comprises an annular compaction box (51), the inner wall of the annular compaction box (51) is fixedly connected with a fixed base (52), one side of the fixed base (52) is fixedly connected with a hydraulic push rod (53), the end of the hydraulic push rod (53) away from the fixed base (52) is fixedly connected with a push plate (54), the parts of the push plate (54) on both sides of the hydraulic push rod (53) are fixedly connected with baffles (55), and the inside bottom of the annular compaction box (51) is provided with an extrusion hole (56) on the side of the fixed base (52).

6. The muck handling apparatus for use in metro tunneling shield construction according to claim 5, characterized in that: The annular compaction box (51) is sleeved on the treatment cylinder (1) and is fixedly connected with the treatment cylinder (1), the inner side wall of the annular compaction box (51) is communicated with the discharge pipe at one end of the screening cylinder (43).

7. The muck handling apparatus for use in metro tunneling shield construction according to claim 5, characterized in that: The push plate (54) is arranged in the annular compaction box (51) and is in sliding connection with the inner wall of the annular compaction box (51), and the fixed base (52) and the extrusion hole (56) are all provided with multiple groups and are uniformly distributed in the annular compaction box (51).

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