Earth pressure balance pipeline shield tunneling machine

Abstract

The utility model relates to the technical field of shield tunneling machines, in particular to an earth pressure balance pipeline shield tunneling machine which is convenient for adjusting the mobility of muck and improving the practicability. Comprising a body mechanism; the device further comprises a deslagging mechanism, a conveying mechanism, a mixing mechanism, a stirring mechanism and a driving mechanism, the deslagging mechanism is installed on the main body mechanism, the conveying mechanism is installed in the main body mechanism, the mixing mechanism and the stirring mechanism are rotatably installed on the main body mechanism, and the driving mechanism is installed on the main body mechanism, the mixing mechanism and the stirring mechanism. A pipeline is excavated through the main body mechanism, the residue discharging mechanism discharges excavated residue soil, the conveying mechanism conveys and discharges the residue soil discharged by the residue discharging mechanism, and the driving mechanism drives the mixing mechanism and the stirring mechanism to mix and stir the residue soil excavated out of the main body mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machines, in particular to an earth pressure balance pipe shield machine. Background Technique

[0002] The earth pressure balance pipe shield machine, abbreviated as the earth pressure shield machine, is a mechanical device that uses the earth pressure balance principle for tunnel excavation and pipeline laying. It ensures the stability of the excavation face by maintaining the balance of the soil pressure in the soil chamber with the soil pressure and water pressure on the excavation face during the excavation process, and at the same time advances forward to complete the excavation of the tunnel or pipeline.

[0003] Existing shield machines, such as the prior art with the application number CN202223098838.8, include a composite cutter head, a shield machine main body, a panel, cutters, spray guns, manholes, embedded holes, nozzles, conveying pipes, atomizing openings, embedded shells and embedded plates, etc. By adding the spray guns on the composite cutter head, when the cutters need to be replaced, only need to let the maintenance personnel take out the spray guns clamped on the panel on the reserved working surface and spray water on the cutters to achieve rapid cooling, without waiting for the natural heat dissipation of the cutters.

[0004] However, the fluidity of the muck has a direct impact on the operation of the shield machine. The prior art is not convenient for adjusting the fluidity of the muck, resulting in reduced practicability. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides an earth pressure balance pipe shield machine that is convenient for adjusting the fluidity of the muck and improving practicability.

[0006] An earth pressure balance pipe shield machine of the utility model includes a main body mechanism; it also includes a slag discharging mechanism, a transportation mechanism, a mixing mechanism, a stirring mechanism and a driving mechanism. The slag discharging mechanism is installed on the main body mechanism, the transportation mechanism is installed inside the main body mechanism, the mixing mechanism and the stirring mechanism are rotatably installed on the main body mechanism, and the driving mechanism is installed on the main body mechanism, the mixing mechanism and the stirring mechanism. The main body mechanism excavates the pipeline, the slag discharging mechanism discharges the excavated muck, the transportation mechanism transports and discharges the muck discharged by the slag discharging mechanism, and the driving mechanism drives the mixing mechanism and the stirring mechanism to mix and stir the muck excavated in the main body mechanism; the main body mechanism excavates the pipeline, the slag discharging mechanism discharges the excavated muck, and the slag discharging mechanism can maintain the earth pressure balance and improve practicability. The transportation mechanism transports and discharges the muck discharged by the slag discharging mechanism, and the driving mechanism drives the mixing mechanism and the stirring mechanism to mix and stir the muck excavated in the main body mechanism, thereby adjusting the fluidity of the muck and facilitating the discharge and transportation of the muck.

[0007] Preferably, the main body mechanism includes a shield tail, a cutter head, and a soil chamber partition. The cutter head is rotatably installed on the shield tail, and the soil chamber partition is installed on the inner wall of the shield tail. The pipeline is excavated by the rotation of the cutter head, and the soil chamber is formed by the space between the soil chamber partition and the cutter head.

[0008] Preferably, the slag discharging mechanism includes a slag discharging pipe, a screw conveyor pipe, a screw conveyor shaft, screw conveyor blades, and a first motor. One end of the slag discharging pipe is installed on the soil chamber partition and is connected to the soil chamber formed by the cutter head and the soil chamber partition. The screw conveyor pipe is installed in the shield tail through a bracket. The slag discharging pipe is connected to the screw conveyor pipe. The screw conveyor shaft is rotatably installed in the screw conveyor pipe. The screw conveyor blades are installed on the screw conveyor shaft. The first motor is installed at one end of the screw conveyor pipe, and the output end of the first motor is connected to the screw conveyor shaft. A discharge pipe is provided on the screw conveyor pipe. By turning on the first motor to drive the rotation of the screw conveyor shaft, and then driving the rotation of the screw conveyor blades, the muck in the soil chamber is discharged through the slag discharging pipe and the screw conveyor pipe and then discharged from the discharge pipe of the screw conveyor pipe. By controlling the rotation speed of the first motor, the pressure of the muck in the soil chamber is adjusted. When the external soil pressure becomes higher, the rotation speed of the first motor decreases. When the external soil pressure decreases, the rotation speed of the first motor increases, thereby maintaining the soil pressure balance.

[0009] Preferably, the transportation mechanism includes a conveyor belt support and a conveyor belt. The conveyor belt is installed in the shield tail through the conveyor belt support. When the muck falls onto the conveyor belt through the discharge pipe of the screw conveyor pipe, the conveyor belt is turned on to transport the muck.

[0010] Preferably, the mixing mechanism includes a mixing shaft and mixing spiral blades. A spraying pipe is provided on the soil chamber partition. The mixing shaft is rotatably installed on the soil chamber partition, and the mixing spiral blades are installed on the mixing shaft. First, the foam agent is added into the soil chamber between the cutter head and the soil chamber partition through the spraying pipe. By turning on the driving mechanism to drive the rotation of the mixing shaft, and then driving the rotation of the mixing spiral blades to mix the muck in the soil chamber, thereby adjusting the fluidity of the muck.

[0011] Preferably, the stirring mechanism includes a stirring shaft and stirring blades. The stirring shaft is rotatably installed on the soil chamber partition, and the stirring blades are installed on the stirring shaft. First, the foam agent is added into the soil chamber between the cutter head and the soil chamber partition through the spraying pipe. By turning on the driving mechanism to drive the rotation of the mixing shaft and the stirring shaft, and then driving the rotation of the mixing spiral blades to mix the muck in the soil chamber horizontally, and driving the rotation of the stirring blades by the rotation of the stirring shaft to mix the muck in the soil chamber horizontally, thereby adjusting the fluidity of the muck.

[0012] Preferably, the driving mechanism includes a rotating gear ring, a plurality of first gears, a second gear, and a driving motor. The rotating gear ring is rotatably installed on the soil bin partition board. The first gears are rotatably installed on the mixing shaft and the stirring shaft. The rotating gear ring meshes with the first gears. The second gear is rotatably installed on the soil bin partition board through a rotating shaft. The driving motor is installed on the soil bin partition board through a motor bracket. The output end of the driving motor is connected to the rotating shaft of the second gear. The second gear meshes with the rotating gear ring. First, the foaming agent is added into the soil bin between the cutter head and the soil bin partition board through the spraying pipe. By turning on the driving motor to drive the second gear to rotate, then through the meshing relationship between the second gear and the rotating gear ring, the rotating gear ring is driven to rotate. Then, through the meshing relationship between the rotating gear ring and the first gears, the mixing shaft and the stirring shaft are driven to rotate, thereby driving the mixing spiral blades to rotate to laterally mix the soil in the soil bin. By the rotation of the stirring shaft, the stirring blades are driven to rotate to laterally mix the soil in the soil bin, thereby adjusting the fluidity of the soil.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The main body mechanism excavates the pipeline, the slag discharging mechanism discharges the excavated soil, and the slag discharging mechanism can maintain the earth pressure balance, improving the practicability. The transportation mechanism transports and discharges the soil discharged by the slag discharging mechanism. The driving mechanism drives the mixing mechanism and the stirring mechanism to mix and stir the soil excavated in the main body mechanism, thereby adjusting the fluidity of the soil and facilitating the discharge and transportation of the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the first front view sectional axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0016] Figure 3 is the front view sectional structural schematic diagram of the present utility model;

[0017] Figure 4 is the second front view sectional structural schematic diagram of the present utility model;

[0018] Figure 5 is the side view sectional axonometric structural schematic diagram of the present utility model;

[0019] Reference numerals in the drawings: 01, main body mechanism; 11, shield tail; 12, cutter head; 13, soil bin partition board; 02, slag discharging mechanism; 21, slag discharging pipe; 22, auger pipe; 23, auger shaft; 24, auger blade; 25, first motor; 03, transportation mechanism; 31, conveyor belt support; 32, conveyor belt; 04, mixing mechanism; 41, mixing shaft; 42, mixing spiral blade; 05, stirring mechanism; 51, stirring shaft; 52, stirring blade; 06, driving mechanism; 61, rotating gear ring; 62, first gear; 63, second gear; 64, driving motor. Detailed implementation mode

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant attached drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive. Embodiment

[0021] As Figures 1 to 5 shown, an earth pressure balance pipe shield machine includes a main body mechanism 01, and also includes a slag discharging mechanism 02, a transportation mechanism 03, a mixing mechanism 04, a stirring mechanism 05 and a driving mechanism 06. The slag discharging mechanism 02 is installed on the main body mechanism 01, the transportation mechanism 03 is installed inside the main body mechanism 01, the mixing mechanism 04 and the stirring mechanism 05 are rotatably installed on the main body mechanism 01, and the driving mechanism 06 is installed on the main body mechanism 01, the mixing mechanism 04 and the stirring mechanism 05;

[0022] The main body mechanism 01 excavates the pipe, the slag discharging mechanism 02 discharges the excavated muck, the transportation mechanism 03 transports and discharges the muck discharged by the slag discharging mechanism 02, and the driving mechanism 06 drives the mixing mechanism 04 and the stirring mechanism 05 to mix and stir the muck excavated inside the main body mechanism 01;

[0023] The main body mechanism 01 includes a shield tail 11, a cutter head 12 and a soil bin partition 13. The cutter head 12 is rotatably installed on the shield tail 11, and the soil bin partition 13 is installed on the inner wall of the shield tail 11;

[0024] The slag discharging mechanism 02 includes a slag discharging pipe 21, a screw pipe 22, a screw shaft 23, screw blades 24 and a first motor 25. One end of the slag discharging pipe 21 is installed on the soil bin partition 13. The slag discharging pipe 21 communicates with the soil bin formed by the cutter head 12 and the soil bin partition 13. The screw pipe 22 is installed inside the shield tail 11 through a bracket. The slag discharging pipe 21 communicates with the screw pipe 22. The screw shaft 23 is rotatably installed inside the screw pipe 22. The screw blades 24 are installed on the screw shaft 23. The first motor 25 is installed at one end of the screw pipe 22. The output end of the first motor 25 is connected to the screw shaft 23. A discharge pipe is provided on the screw pipe 22;

[0025] The transportation mechanism 03 includes a conveyor belt bracket 31 and a conveyor belt 32. The conveyor belt 32 is installed inside the shield tail 11 through the conveyor belt bracket 31;

[0026] The pipeline is excavated by the rotation of the cutter head 12. The soil chamber is formed by the space between the soil chamber partition 13 and the cutter head 12. By turning on the first motor 25 to drive the auger shaft 23 to rotate, and then driving the auger blade 24 to rotate, the muck in the soil chamber is discharged through the slag discharge pipe 21 and the auger pipe 22 and then discharged from the discharge pipe of the auger pipe 22. By controlling the rotation speed of the first motor 25, the pressure of the muck in the soil chamber is adjusted. When the external soil pressure becomes higher, the rotation speed of the first motor 25 decreases. When the external soil pressure decreases, the rotation speed of the first motor 25 increases, so as to maintain the soil pressure balance. When the muck falls onto the conveyor belt 32 through the discharge pipe of the auger pipe 22, the conveyor belt 32 is turned on to transport the muck. Embodiment

[0027] As Figure 4 and Figure 5 As shown, an earth pressure balance pipe shield machine includes a main body mechanism 01, and also includes a slag discharge mechanism 02, a transportation mechanism 03, a mixing mechanism 04, a stirring mechanism 05 and a driving mechanism 06. The slag discharge mechanism 02 is installed on the main body mechanism 01. The transportation mechanism 03 is installed inside the main body mechanism 01. The mixing mechanism 04 and the stirring mechanism 05 are rotatably installed on the main body mechanism 01. The driving mechanism 06 is installed on the main body mechanism 01, the mixing mechanism 04 and the stirring mechanism 05.

[0028] The pipeline is excavated by the main body mechanism 01. The slag discharge mechanism 02 discharges the excavated muck. The transportation mechanism 03 transports and discharges the muck discharged by the slag discharge mechanism 02. The driving mechanism 06 drives the mixing mechanism 04 and the stirring mechanism 05 to mix and stir the muck excavated inside the main body mechanism 01.

[0029] The mixing mechanism 04 includes a mixing shaft 41 and mixing spiral blades 42. A spraying pipe is arranged on the soil chamber partition 13. The mixing shaft 41 is rotatably installed on the soil chamber partition 13. The mixing spiral blades 42 are installed on the mixing shaft 41.

[0030] The stirring mechanism 05 includes a stirring shaft 51 and stirring blades 52. The stirring shaft 51 is rotatably installed on the soil chamber partition 13. The stirring blades 52 are installed on the stirring shaft 51.

[0031] The driving mechanism 06 includes a rotating gear ring 61, a plurality of first gears 62, a second gear 63 and a driving motor 64. The rotating gear ring 61 is rotatably installed on the soil chamber partition 13. The first gears 62 are rotatably installed on the mixing shaft 41 and the stirring shaft 51. The rotating gear ring 61 meshes with the first gears 62. The second gear 63 is rotatably installed on the soil chamber partition 13 through a rotating shaft. The driving motor 64 is installed on the soil chamber partition 13 through a motor bracket. The output end of the driving motor 64 is connected to the rotating shaft of the second gear 63. The second gear 63 meshes with the rotating gear ring 61.

[0032] First, the foaming agent is added into the soil chamber between the cutter head 12 and the soil chamber partition 13 through the spraying pipe. By turning on the driving motor 64, the second gear 63 is driven to rotate. Then, through the meshing relationship between the second gear 63 and the rotating gear ring 61, the rotating gear ring 61 is driven to rotate. After that, through the meshing relationship between the rotating gear ring 61 and the first gear 62, the mixing shaft 41 and the stirring shaft 51 are driven to rotate, thereby driving the mixing spiral blade 42 to rotate to laterally mix the muck in the soil chamber. By the rotation of the stirring shaft 51, the stirring blade 52 is driven to rotate to laterally mix the muck in the soil chamber, thereby adjusting the fluidity of the muck.

[0033] As Figures 1 to 5 shown, for an earth pressure balance pipe shield machine of the present utility model, during its operation, the pipe is excavated by the rotation of the cutter head 12. The space between the soil chamber partition 13 and the cutter head 12 forms a soil chamber. By turning on the first motor 25, the auger shaft 23 is driven to rotate, and then the auger blade 24 is driven to rotate, so that the muck in the soil chamber is discharged from the discharge pipe of the auger pipe 22 after passing through the slag discharge pipe 21 and the auger pipe 22. By controlling the rotation speed of the first motor 25, the pressure of the muck in the soil chamber is adjusted. When the external soil pressure becomes higher, the rotation speed of the first motor 25 decreases. When the external soil pressure decreases, the rotation speed of the first motor 25 increases, thereby maintaining the earth pressure balance. When the muck falls onto the conveyor belt 32 through the discharge pipe of the auger pipe 22, the conveyor belt 32 is turned on to transport the muck. First, the foaming agent is added into the soil chamber between the cutter head 12 and the soil chamber partition 13 through the spraying pipe. By turning on the driving motor 64, the second gear 63 is driven to rotate. Then, through the meshing relationship between the second gear 63 and the rotating gear ring 61, the rotating gear ring 61 is driven to rotate. After that, through the meshing relationship between the rotating gear ring 61 and the first gear 62, the mixing shaft 41 and the stirring shaft 51 are driven to rotate, thereby driving the mixing spiral blade 42 to rotate to laterally mix the muck in the soil chamber. By the rotation of the stirring shaft 51, the stirring blade 52 is driven to rotate to laterally mix the muck in the soil chamber, thereby adjusting the fluidity of the muck.

[0034] The first motor 25, the conveyor belt 32 and the driving motor 64 of the present utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the attached operation manuals, without the need for technicians in this field to perform creative labor.

[0035] The main functions achieved by the present utility model are: during the operation of the shield machine, it is convenient to adjust the fluidity of the muck, improving the practicability.

[0036] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. An earth pressure balance pipe shield machine, comprising a main body mechanism (01); characterized in that, It also includes a slag discharging mechanism (02), a transportation mechanism (03), a mixing mechanism (04), a stirring mechanism (05) and a driving mechanism (06). The slag discharging mechanism (02) is installed on the main body mechanism (01), the transportation mechanism (03) is installed inside the main body mechanism (01), the mixing mechanism (04) and the stirring mechanism (05) are rotatably installed on the main body mechanism (01), and the driving mechanism (06) is installed on the main body mechanism (01), the mixing mechanism (04) and the stirring mechanism (05). The main body mechanism (01) excavates the pipeline, the slag discharging mechanism (02) discharges the excavated soil and rock, the transportation mechanism (03) transports and discharges the soil and rock discharged by the slag discharging mechanism (02), and the driving mechanism (06) drives the mixing mechanism (04) and the stirring mechanism (05) to mix and stir the soil and rock excavated inside the main body mechanism (01).

2. The earth pressure balance pipe shield machine according to claim 1, characterized in that, The main body mechanism (01) includes a shield tail (11), a cutter head (12) and a bulkhead (13). The cutter head (12) is rotatably installed on the shield tail (11), and the bulkhead (13) is installed on the inner wall of the shield tail (11).

3. The earth pressure balance pipe shield machine according to claim 2, wherein The slag discharging mechanism (02) includes a slag discharge pipe (21), a screw conveyor pipe (22), a screw conveyor shaft (23), screw conveyor blades (24) and a first motor (25). One end of the slag discharge pipe (21) is installed on the bulkhead (13), and the slag discharge pipe (21) communicates with the soil chamber surrounded by the cutter head (12) and the bulkhead (13). The screw conveyor pipe (22) is installed inside the shield tail (11) through a bracket, the slag discharge pipe (21) communicates with the screw conveyor pipe (22), the screw conveyor shaft (23) is rotatably installed inside the screw conveyor pipe (22), the screw conveyor blades (24) are installed on the screw conveyor shaft (23), the first motor (25) is installed at one end of the screw conveyor pipe (22), the output end of the first motor (25) is connected to the screw conveyor shaft (23), and a discharge pipe is provided on the screw conveyor pipe (22).

4. The earth pressure balance pipe shield machine according to claim 2, characterized in that, The transportation mechanism (03) includes a conveyor belt support (31) and a conveyor belt (32). The conveyor belt (32) is installed inside the shield tail (11) through the conveyor belt support (31).

5. The earth pressure balance pipe shield machine according to claim 2, characterized in that, The mixing mechanism (04) includes a mixing shaft (41) and mixing spiral blades (42). A spraying pipe is provided on the bulkhead (13). The mixing shaft (41) is rotatably installed on the bulkhead (13), and the mixing spiral blades (42) are installed on the mixing shaft (41).

6. The earth pressure balance pipe shield machine according to claim 2, wherein, The stirring mechanism (05) includes a stirring shaft (51) and stirring blades (52). The stirring shaft (51) is rotatably installed on the bulkhead (13), and the stirring blades (52) are installed on the stirring shaft (51).

7. The earth pressure balance pipe shield machine according to claim 6, wherein, The driving mechanism (06) includes a rotating toothed ring (61), a plurality of first gears (62), a second gear (63) and a driving motor (64). The rotating toothed ring (61) is rotatably mounted on the soil bin partition plate (13). The first gears (62) are rotatably mounted on the mixing shaft (41) and the stirring shaft (51). The rotating toothed ring (61) meshes with the first gears (62). The second gear (63) is rotatably mounted on the soil bin partition plate (13) through a rotating shaft. The driving motor (64) is mounted on the soil bin partition plate (13) through a motor bracket. The output end of the driving motor (64) is connected to the rotating shaft of the second gear (63). The second gear (63) meshes with the rotating toothed ring (61).

Images